Harman US

Belgium, WI Weather & Growing Conditions

Overnight
59°F
Showers And Thunderstorms
Showers and thunderstorms. Some of the storms could produce heavy rain. Cloudy, with a low around 59. East wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

7-day forecast

WhenTempForecastWindPrecip
Overnight 59°F Showers And Thunderstorms 15 mph E 100%
Saturday 66°F Showers And Thunderstorms 10 to 15 mph SE 100%
Saturday Night 58°F Chance Showers And Thunderstorms 5 to 10 mph E 73%
Sunday 65°F Scattered Rain Showers 15 to 25 mph NE 29%
Sunday Night 52°F Mostly Cloudy 10 to 20 mph NE 2%
Monday 64°F Mostly Cloudy 10 to 20 mph NE 3%
Monday Night 50°F Mostly Cloudy 10 to 15 mph NE 2%
Tuesday 64°F Partly Sunny 10 to 20 mph NE 4%
Tuesday Night 50°F Partly Cloudy 10 to 15 mph NE 6%
Wednesday 65°F Mostly Sunny 10 to 15 mph NE 6%
Wednesday Night 50°F Partly Cloudy 5 to 10 mph NE 4%
Thursday 67°F Mostly Sunny 5 to 10 mph NE 3%
Thursday Night 51°F Partly Cloudy 0 to 5 mph NE 4%
Friday 69°F Mostly Sunny 5 mph NE 4%

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

Growing snapshot for Belgium, WI

Last spring frost
May 5
First fall frost
Oct 12
Growing season
159 days
Hardiness zone
5b

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

Climate data from the nearest NOAA station, Belgium Wwtp, Wi (1.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.