Glen Haven, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Glen Haven, a community in Grant County, Wisconsin.
Today
81°F
Isolated Rain Showers then Scattered Showers And Thunderstorms
Isolated rain showers between 9am and 4pm, then scattered showers and thunderstorms. Mostly cloudy. High near 81, with temperatures falling to around 75 in the afternoon. West wind around 8 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Glen Haven
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 81°F | Isolated Rain Showers then Scattered Showers And Thunderstorms | 8 mph W | 33% |
| Tonight | 63°F | Scattered Showers And Thunderstorms then Chance Showers And Thunderstorms | 2 to 6 mph NW | 67% |
| Wednesday | 75°F | Chance Showers And Thunderstorms then Partly Sunny | 5 mph NW | 31% |
| Wednesday Night | 56°F | Partly Cloudy | 0 to 3 mph NW | 12% |
| Thursday | 80°F | Sunny | 2 mph E | 5% |
| Thursday Night | 59°F | Mostly Clear | 1 mph S | 0% |
| Friday | 83°F | Sunny | 0 to 7 mph S | 4% |
| Friday Night | 64°F | Mostly Clear | 7 mph S | 10% |
| Saturday | 85°F | Mostly Sunny | 5 to 8 mph SW | 10% |
| Saturday Night | 69°F | Chance Showers And Thunderstorms | 8 mph S | 31% |
| Sunday | 86°F | Chance Showers And Thunderstorms | 10 mph SW | 31% |
| Sunday Night | 68°F | Chance Showers And Thunderstorms | 5 to 8 mph S | 41% |
| Monday | 84°F | Chance Showers And Thunderstorms | 8 mph S | 41% |
| Monday Night | 68°F | Slight Chance Showers And Thunderstorms | 6 to 9 mph NE | 37% |
Forecast source: National Weather Service (api.weather.gov) for Glen Haven (42.836, -91.061). Updated through the day.
Growing snapshot for Glen Haven
Last spring frost
Apr 21
First fall frost
Oct 18
Growing season
178 days
Hardiness zone
5a
More local growing data for Glen Haven: nearby ZIP 53810 weather · frost dates · planting calendar · Wisconsin frost dates
Nearby towns & communities
Bagley
Bloomington
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Cuba City
Dickeyville
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Kieler
Lancaster
Livingston
Montfort
Mount Hope
Muscoda
Patch Grove
Platteville
Potosi
Sandy Hook
Tennyson
Woodman
Climate data from the nearest NOAA station, Guttenberg L&D 10, Ia (5.5 mi from Glen Haven). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.