When to disconnect garden hoses before a freeze
Disconnect garden hoses before the first forecast night at or below 32°F, not after a hard freeze or the first snow. HomeGuard Weather is a pre-launch iPhone app with no hardware, planned at $59.99/year or $9.99/month, that turns that freeze forecast into a short home-care checklist. Take every hose off, drain it, store it, and shut interior faucet valves if the house has them. A frost-free spigot still needs the hose off so it can drain.
The first freeze is the hose deadline
Hoses are the first winterization job because they fail on a milder night than most people expect. Water sitting in a hose, or trapped against a spigot by a hose that is still screwed on, can freeze after a single night around 32°F. You do not need a hard freeze, blowing snow, or a stretch of deep cold.
The useful trigger is the forecast, not a habit. Halloween, Thanksgiving, and “when I put the patio furniture away” are not plumbing dates. If Tuesday night is 32°F, the hoses should come off while it is still Monday afternoon.
A Frost Advisory is often the first cold alert of the season, and it is the right moment to take the hoses off. A Freeze Watch is the last comfortable one. The frost advisory vs. freeze warning guide lays out what each alert means for outdoor water.
For the broader first-freeze timeline, including irrigation and exposed pipes, see when to winterize your home before the first freeze. For the full cold-weather task list once a freeze watch or warning is up, use the hard freeze warning checklist.
Typical first freeze and hose-off dates by state
The table gives two dates for at least one city in every state, from NOAA’s 1991-2020 U.S. Climate Normals. The median first freeze is the date by which half of years have already reached 32°F. The “have hoses off by” date is earlier: only about 1 year in 10 sees its first 32°F night before it. Get the hoses off by that date and an early cold snap rarely catches you. After it, any forecast low of 32°F is the deadline.
These are airport and city weather stations. Suburbs, valleys, rural yards, and higher ground often freeze a week or more earlier, while shorelines and downtowns run later. If your forecast shows 32°F before the date in the table, the forecast wins.
| State | City | Median first 32°F freeze | Have hoses off by |
|---|---|---|---|
| Alabama | Birmingham | Nov 11 | Oct 30 |
| Alaska | Anchorage | Oct 1 | Sep 18 |
| Fairbanks | Sep 13 | Aug 29 | |
| Arizona | Phoenix | Rare or brief | Whenever 32°F is forecast |
| Flagstaff | Sep 28 | Sep 16 | |
| Arkansas | Little Rock | Nov 10 | Oct 29 |
| California | Sacramento | Dec 2 | Nov 16 |
| Los Angeles | Rare or brief | Whenever 32°F is forecast | |
| Colorado | Denver | Oct 9 | Sep 27 |
| Connecticut | Hartford | Oct 16 | Oct 3 |
| Delaware | Wilmington | Nov 1 | Oct 19 |
| District of Columbia | Washington | Nov 18 | Nov 5 |
| Florida | Jacksonville | Dec 7 | Nov 17 |
| Miami | Rare or brief | Whenever 32°F is forecast | |
| Georgia | Atlanta | Nov 20 | Nov 4 |
| Hawaii | Honolulu | Rare or brief | Whenever 32°F is forecast |
| Idaho | Boise | Oct 21 | Oct 5 |
| Illinois | Chicago | Oct 28 | Oct 15 |
| Indiana | Indianapolis | Oct 26 | Oct 13 |
| Iowa | Des Moines | Oct 20 | Oct 4 |
| Kansas | Wichita | Oct 29 | Oct 15 |
| Kentucky | Louisville | Nov 7 | Oct 28 |
| Louisiana | Shreveport | Nov 18 | Nov 2 |
| New Orleans | Dec 31 | Dec 1 | |
| Maine | Portland | Oct 15 | Oct 2 |
| Maryland | Baltimore | Oct 31 | Oct 17 |
| Massachusetts | Boston | Nov 9 | Oct 29 |
| Worcester | Oct 21 | Oct 6 | |
| Michigan | Detroit | Oct 27 | Oct 14 |
| Grand Rapids | Oct 20 | Oct 4 | |
| Minnesota | Minneapolis | Oct 18 | Oct 1 |
| Duluth | Oct 1 | Sep 18 | |
| Mississippi | Jackson | Nov 14 | Oct 31 |
| Missouri | Kansas City | Oct 24 | Oct 9 |
| St. Louis | Nov 4 | Oct 23 | |
| Montana | Billings | Oct 7 | Sep 26 |
| Nebraska | Omaha | Oct 21 | Oct 6 |
| Nevada | Reno | Oct 23 | Oct 11 |
| Las Vegas | Dec 15 | Nov 28 | |
| New Hampshire | Concord | Oct 3 | Sep 21 |
| New Jersey | Newark | Nov 10 | Oct 28 |
| New Mexico | Albuquerque | Nov 3 | Oct 21 |
| New York | Buffalo | Oct 26 | Oct 10 |
| Albany | Oct 15 | Oct 3 | |
| New York City | Nov 20 | Nov 6 | |
| North Carolina | Charlotte | Nov 3 | Oct 22 |
| Asheville | Oct 28 | Oct 14 | |
| North Dakota | Fargo | Sep 30 | Sep 18 |
| Ohio | Columbus | Oct 27 | Oct 14 |
| Cleveland | Nov 3 | Oct 21 | |
| Oklahoma | Oklahoma City | Nov 2 | Oct 21 |
| Oregon | Portland | Nov 19 | Oct 29 |
| Pennsylvania | Pittsburgh | Oct 23 | Oct 9 |
| Philadelphia | Nov 10 | Oct 30 | |
| Rhode Island | Providence | Oct 30 | Oct 16 |
| South Carolina | Columbia | Nov 7 | Oct 26 |
| South Dakota | Sioux Falls | Oct 6 | Sep 23 |
| Tennessee | Nashville | Nov 3 | Oct 22 |
| Texas | Amarillo | Oct 27 | Oct 14 |
| Dallas | Nov 24 | Nov 6 | |
| Houston | Dec 9 | Nov 17 | |
| Utah | Salt Lake City | Oct 31 | Oct 17 |
| Vermont | Burlington | Oct 15 | Oct 2 |
| Virginia | Richmond | Nov 4 | Oct 23 |
| Washington | Spokane | Oct 12 | Sep 29 |
| Seattle | Nov 23 | Nov 6 | |
| West Virginia | Charleston | Oct 26 | Oct 13 |
| Wisconsin | Madison | Oct 10 | Sep 26 |
| Milwaukee | Oct 29 | Oct 15 | |
| Wyoming | Cheyenne | Oct 1 | Sep 18 |
By late October, most of the northern half of the country is past its hose-off date. If yours has passed and the hoses are still on, take them off on the next dry afternoon above freezing. The farther south you are, the more the deadline becomes a single cold night rather than a season, so watch for the first 32°F in the forecast instead of relying on the date.
Why a hose left attached is the problem
The damage is usually not the hose. It is the faucet, the short pipe in the wall, or both.
When a hose stays screwed onto an outdoor faucet, water cannot drain out of the spigot. It sits in the hose, in the faucet body, and in the last stretch of pipe. Overnight freezing expands that trapped water. The pressure has to go somewhere: a cracked hose-bib body, a split vacuum breaker, or a pipe inside the exterior wall that does not leak until it thaws.
That is why “I’ll drain it later” and “it is a frost-free faucet” both fail the same way. The hose is a cap. Until it comes off, the rest of the winterization does not matter.
Frost-free faucets still need the hose off
Frost-free, frost-proof, and frost-resistant outdoor faucets put the actual valve back inside the heated part of the house. When you shut the handle, water in the long stem is supposed to drain toward the outside. That only works if the outlet is open to air.
A connected hose blocks that drain path. The valve can be inside a warm wall and the faucet can still freeze, because the water is trapped at the outdoor end. The conservative rule does not change: disconnect every hose, including drip adapters, Y-splitters, and soaker lines, before the first freeze.
If the house also has an interior shutoff for that exterior faucet, use it:
- Disconnect the hose and drain it.
- Close the interior shutoff.
- Open the outdoor faucet and let the line drain.
- Leave the outdoor faucet open, or follow the shutoff manufacturer’s directions, so leftover water can escape instead of sitting in a closed fitting.
- Add an insulated faucet cover if you use one.
Homes are mixed. One frost-free faucet on the back wall and one old sillcock on the garage is common. Treat every outdoor connection as if it can freeze, then use the interior shutoff where it exists.
How to disconnect and store the hose
This is a daylight, dry-footing job. Do it before the freeze arrives, not during it.
- Shut off the outdoor faucet.
- Unscrew the hose. If the fitting is already icy, do not yank it. Wait for a thaw, or warm the connection with towels and warm (not boiling) water, then try again.
- Drain the hose. Hold one end high and walk the length, or hang it so gravity empties it. Shake out the last water. A “mostly empty” hose still holds enough to split fittings.
- Drain nozzles, wands, sprayers, and splitters the same way. Store them indoors.
- Coil the hose and store it in a garage, basement, or shed. Do not leave a water-filled coil against the house.
- Repeat for every outdoor faucet: front, back, garage, basement walkout, and any hose still on a rain barrel or filter.
If you missed the first freeze and the hose is frozen to the spigot, do not force it. Close the interior shutoff if you have one, wait for the connection to thaw, then disconnect and drain. Forcing a frozen fitting is how the faucet body cracks.
What else is attached to the same faucet
The garden hose is the obvious one. The same freeze rule applies to anything that keeps water at the spigot:
- Drip irrigation tubing and timers still screwed onto a hose bib
- Y-valves and quick-connects
- Soaker hoses
- Rain-barrel fill hoses
- Sediment filters or backflow attachments left on the faucet
Irrigation systems that run in the ground are a separate job. Those need a drain or a professional blowout before the first freeze, not a same-night reminder. Schedule that earlier, then still take the hose off the outdoor faucet. The winterize timeline covers that split.
When to winterize sprinklers
An in-ground sprinkler system has the same deadline as the hose, but it takes longer to meet. Most systems need to be drained or blown out with compressed air, and irrigation companies book up through October. Schedule the appointment so it is finished by the “have hoses off by” date in the table above, not after the first freeze.
- The backflow preventer and any above-ground piping are usually the first parts to freeze. Insulate them or follow your installer’s directions once the system is drained.
- Shut off the irrigation supply valve and set the controller to off or rain mode so it does not try to run on a cold morning.
- Leave compressor blowouts to someone who knows your system’s pressure limits. Too much air pressure can damage heads and fittings.
If a freeze is forecast before your appointment, shut off the irrigation supply and insulate the backflow preventer as a stopgap. Then still take the hose off the outdoor faucet.
Leaving the house for the winter
If you are heading south, closing a cabin, or leaving a rental empty, hoses and outdoor faucets come first, before the house is locked up and nobody is around for the first freeze. The away in winter guide covers the rest: the thermostat setting, the main water shutoff, and whether to drain the lines. For pipes inside the house, see how to prevent frozen pipes.
When a single 32°F night is enough
There is no outdoor temperature that guarantees a hose bib will freeze, and none that makes it safe to leave a hose on. Wind, how long the cold lasts, whether the faucet is on a windward wall, and whether water is trapped all change the risk.
The conservative homeowner rule is simpler than a physics argument: if the forecast says 32°F or lower, the hoses come off first. A later hard freeze, around 28°F for a stretch, is a second pass for exposed pipes, unheated garages, and crawl spaces. It is not the moment to start thinking about the backyard hose.
In Buffalo, the median first 32°F freeze is around October 26. That is a climate guidepost, not a hose appointment. The Buffalo first freeze checklist is the local version of the same rule: watch the forecast in October, then disconnect before the first freeze night, not after repeated freezing.
Why an app, not another weather alert
A weather app will tell you the low. It will not tell you that the low means the hose on the back faucet, the splitter on the garage bib, and the drip line on the rain barrel all have to come off while you can still unscrew them with bare hands.
HomeGuard Weather is software only. No sensor, hub, valve, or plumber. It does not replace a smart water sensor, and it does not replace National Weather Service freeze alerts. It sits earlier: forecast in, short checklist out, matched to the outdoor water connections you actually have.
Not sure which outdoor-water jobs apply to your house? Use the free Home Readiness Check or the printable guides in the checklist library, including the printable first freeze home checklist. For planned coverage and pricing, see features & pricing.
Sources and further reading
Freeze dates come from NOAA NCEI U.S. Climate Normals 1991-2020 station data (median and 90% probability first 32°F dates). For context, see NOAA NCEI “When to Expect the First Fall Freeze” and the National Weather Service cold-weather alert definitions. HomeGuard Weather is not affiliated with NOAA or the National Weather Service.
FAQ
When should I disconnect garden hoses for winter?
Before the first forecast night at or below 32°F. Do not wait for a hard freeze, snow, or a calendar date. Disconnect, drain, and store every hose, then shut interior exterior-faucet valves if the house has them.
When is the first freeze in my state?
It depends on where in the state you live. NOAA 1991-2020 normals put the median first 32°F freeze around September 30 in Fargo, October 26 in Buffalo, October 28 in Chicago, November 20 in Atlanta, and December 9 in Houston. City weather stations run late, so treat the state table as a planning date and let your forecast decide.
Do I need to disconnect hoses from a frost-free faucet?
Yes. Frost-free faucets drain only if the outdoor end is open. A hose left attached traps water at the spigot, and that trapped water can freeze and damage the faucet or the pipe in the wall.
Can I leave a garden hose outside all winter?
Not attached to the faucet. A connected hose traps water at the spigot, and that is what splits faucets and pipes. A drained, disconnected hose can sit outdoors, but cold makes hoses stiff and easier to crack, so a garage, shed, or basement is the better place for it.
What temperature should I take garden hoses off?
Use the first forecast freeze, about 32°F, as the trigger. Some nights near freezing are enough when water is trapped. Waiting for 20°F, a hard freeze, or snow is waiting until the fitting may already be iced on.
What if the hose is already frozen to the spigot?
Do not yank it. Close the interior shutoff if you have one, let the connection thaw, then disconnect and drain. Forcing a frozen fitting can crack the faucet body.
When should I winterize my sprinkler system?
Before the first freeze, not after it. Book the drain or blowout so it is finished by the hoses-off date for your area, because irrigation companies fill up in October. The backflow preventer above ground is usually the part most exposed to the first cold night.
Does disconnecting the hose winterize the whole house?
No. It is the first outdoor-water job, not the whole winterization. Irrigation blowout, exposed pipes, sump readiness, and furnace vents are separate tasks with different timing. See when to winterize before the first freeze.
Does HomeGuard Weather replace official weather alerts?
No. HomeGuard Weather is for awareness and preparation. It does not replace National Weather Service alerts, local authorities, utilities, emergency services, or professional repair guidance.
Is HomeGuard Weather available in the App Store?
Not yet. HomeGuard Weather is pre-launch and collecting early-access interest for the iPhone app. Planned pricing is $59.99/year or $9.99/month.