Harman US

Glen Haven, WI Weather & Growing Conditions

Overnight
52°F
Mostly Cloudy
Mostly cloudy. Low around 52, with temperatures rising to around 56 overnight. South wind around 12 mph, with gusts as high as 20 mph.

7-day forecast

WhenTempForecastWindPrecip
Overnight 52°F Mostly Cloudy 12 mph S 8%
Wednesday 55°F Chance Rain Showers 13 to 16 mph SW 43%
Wednesday Night 45°F Chance Rain Showers 13 to 17 mph SW 52%
Thursday 52°F Rain Showers Likely 13 mph NW 64%
Thursday Night 38°F Mostly Cloudy 9 to 13 mph N 13%
Friday 48°F Mostly Sunny 5 to 10 mph N 0%
Friday Night 29°F Mostly Clear 3 mph N 0%
Saturday 50°F Sunny 1 to 6 mph NW 0%
Saturday Night 34°F Mostly Clear 6 mph W 2%
Sunday 55°F Sunny 6 to 9 mph W 3%
Sunday Night 35°F Mostly Clear 5 mph SW 0%
Monday 59°F Sunny 3 to 10 mph SW 0%
Monday Night 40°F Mostly Clear 7 mph W 0%
Tuesday 59°F Sunny 6 mph NW 0%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Glen Haven, WI

Last spring frost
Apr 21
First fall frost
Oct 18
Growing season
178 days
Hardiness zone
5a

Explore more for Glen Haven, WI: full frost dates · planting calendar · Wisconsin frost dates

Climate data from the nearest NOAA station, Guttenberg L&D 10, Ia (5.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.