Beloit, WI Weather & Growing Conditions
This Afternoon
70°F
Showers And Thunderstorms
Showers and thunderstorms before 5pm, then a chance of showers and thunderstorms. Cloudy, with a high near 70. Southeast wind around 5 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 |
|---|---|---|---|---|
| This Afternoon | 70°F | Showers And Thunderstorms | 5 mph SE | 84% |
| Tonight | 62°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 5 to 10 mph NE | 92% |
| Sunday | 65°F | Chance Rain Showers | 10 to 15 mph NE | 66% |
| Sunday Night | 54°F | Mostly Cloudy | 10 to 15 mph NE | 3% |
| Monday | 61°F | Chance Rain Showers | 15 mph NE | 30% |
| Monday Night | 49°F | Chance Rain Showers | 10 to 15 mph NE | 50% |
| Tuesday | 59°F | Chance Rain Showers | 10 to 15 mph NE | 50% |
| Tuesday Night | 47°F | Mostly Cloudy | 5 to 10 mph NE | 9% |
| Wednesday | 62°F | Partly Sunny | 10 to 15 mph NE | 6% |
| Wednesday Night | 49°F | Mostly Cloudy | 5 to 10 mph NE | 3% |
| Thursday | 65°F | Partly Sunny | 5 mph NE | 10% |
| Thursday Night | 51°F | Mostly Cloudy | 0 to 5 mph NE | 10% |
| Friday | 68°F | Partly Sunny | 0 to 5 mph NE | 9% |
| Friday Night | 50°F | Partly Cloudy | 0 to 5 mph NE | 9% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Beloit, WI
Last spring frost
May 1
First fall frost
Oct 12
Growing season
162 days
Hardiness zone
5b
Explore more for Beloit, WI: full frost dates · planting calendar · Wisconsin frost dates
Climate data from the nearest NOAA station, Beloit, Wi (4.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.