Glen Haven, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Glen Haven, a community in Grant County, Wisconsin.
Tonight
62°F
Chance Showers And Thunderstorms then Showers And Thunderstorms
A chance of showers and thunderstorms before midnight, then showers and thunderstorms. Some of the storms could produce heavy rain. Cloudy, with a low around 62. East wind 9 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
7-day forecast for Glen Haven
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 62°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 9 to 14 mph E | 87% |
| Saturday | 77°F | Showers And Thunderstorms | 7 to 10 mph S | 76% |
| Saturday Night | 59°F | Showers And Thunderstorms Likely | 8 mph N | 72% |
| Sunday | 68°F | Chance Rain Showers | 9 to 13 mph NE | 48% |
| Sunday Night | 54°F | Mostly Cloudy | 9 to 13 mph NE | 13% |
| Monday | 64°F | Chance Rain Showers | 13 mph NE | 42% |
| Monday Night | 49°F | Chance Rain Showers | 8 to 14 mph NE | 42% |
| Tuesday | 62°F | Chance Rain Showers | 8 to 12 mph NE | 32% |
| Tuesday Night | 46°F | Partly Cloudy | 3 to 8 mph NE | 6% |
| Wednesday | 66°F | Mostly Sunny | 3 to 7 mph NE | 2% |
| Wednesday Night | 50°F | Partly Cloudy | 1 to 5 mph E | 2% |
| Thursday | 69°F | Mostly Sunny | 1 to 5 mph NE | 6% |
| Thursday Night | 52°F | Partly Cloudy | 2 mph E | 5% |
| Friday | 70°F | Mostly Sunny | 1 to 5 mph NE | 5% |
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
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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 Sep 19, 2026.