Belgium, WI Weather & Growing Conditions
Today
83°F
Mostly Sunny
Mostly sunny, with a high near 83. Southwest wind 5 to 15 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 83°F | Mostly Sunny | 5 to 15 mph SW | 13% |
| Tonight | 64°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 5 to 10 mph SW | 85% |
| Wednesday | 75°F | Patchy Fog | 5 mph NE | 57% |
| Wednesday Night | 60°F | Chance Showers And Thunderstorms | 0 to 5 mph NE | 26% |
| Thursday | 79°F | Mostly Sunny | 0 to 5 mph NE | 11% |
| Thursday Night | 60°F | Mostly Clear | 0 to 5 mph S | 5% |
| Friday | 83°F | Sunny | 0 to 10 mph SW | 2% |
| Friday Night | 64°F | Mostly Clear | 5 mph SW | 6% |
| Saturday | 84°F | Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 15% |
| Saturday Night | 67°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 31% |
| Sunday | 85°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 31% |
| Sunday Night | 66°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 52% |
| Monday | 81°F | Chance Rain Showers | 5 mph S | 39% |
| Monday Night | 65°F | Chance Showers And Thunderstorms | 5 mph N | 44% |
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 Aug 4, 2026.