HomeGuard Weather

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.

HomeGuard Weather, published by WallStack Systems LLC. Updated .

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.

Median first 32°F freeze and suggested hose-off date by state and city, NOAA 1991-2020 Climate Normals
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:

  1. Disconnect the hose and drain it.
  2. Close the interior shutoff.
  3. Open the outdoor faucet and let the line drain.
  4. Leave the outdoor faucet open, or follow the shutoff manufacturer’s directions, so leftover water can escape instead of sitting in a closed fitting.
  5. 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.

  1. Shut off the outdoor faucet.
  2. 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.
  3. 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.
  4. Drain nozzles, wands, sprayers, and splitters the same way. Store them indoors.
  5. Coil the hose and store it in a garage, basement, or shed. Do not leave a water-filled coil against the house.
  6. 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:

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.

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.

Early access

Join the HomeGuard Weather iPhone early-access list

Built for homeowners who want the first freeze translated into the reminder to take the hoses off while they can still unscrew them.

Pre-launch. Not yet live in the App Store. Planned pricing is $59.99/year or $9.99/month.

ZIP helps us prioritize which regions get beta invites first.

We'll email you when the beta opens. No spam, ever. Privacy policy.

Safety

Safety note

Safety note: HomeGuard Weather is for awareness and preparation, not emergency response. It does not replace National Weather Service alerts, local authorities, utilities, emergency services, or professional repair guidance. Do not perform unsafe tasks during dangerous conditions. Do not force frozen fittings, and do not work on ice, ladders, or exterior plumbing in dangerous weather.