Belgium, WI Weather & Growing Conditions
Tonight
56°F
Light Rain
Rain. Cloudy, with a low around 56. South wind 10 to 15 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 56°F | Light Rain | 10 to 15 mph S | 83% |
| Wednesday | 62°F | Light Rain Likely | 15 mph S | 61% |
| Wednesday Night | 47°F | Cloudy then Slight Chance Light Rain | 15 mph SW | 21% |
| Thursday | 55°F | Light Rain Likely | 10 to 15 mph W | 59% |
| Thursday Night | 38°F | Light Rain Likely | 5 to 15 mph N | 61% |
| Friday | 50°F | Chance Light Rain | 15 to 20 mph N | 34% |
| Friday Night | 33°F | Mostly Cloudy | 5 to 10 mph N | 6% |
| Saturday | 52°F | Mostly Sunny | 5 mph W | 4% |
| Saturday Night | 34°F | Partly Cloudy | 0 to 5 mph W | 9% |
| Sunday | 56°F | Slight Chance Light Rain | 5 to 15 mph W | 16% |
| Sunday Night | 35°F | Partly Cloudy | 5 mph NW | 7% |
| Monday | 58°F | Mostly Sunny | 5 to 15 mph W | 3% |
| Monday Night | 40°F | Partly Cloudy | 10 mph W | 2% |
| Tuesday | 58°F | Sunny | 5 to 10 mph NW | 0% |
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 Nov 4, 2026.