Beaver Dam, WI Weather & Growing Conditions
Overnight
56°F
Showers And Thunderstorms
Showers and thunderstorms. Some of the storms could produce heavy rain. Cloudy, with a low around 56. East wind around 15 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 56°F | Showers And Thunderstorms | 15 mph E | 100% |
| Saturday | 68°F | Showers And Thunderstorms | 5 to 15 mph SE | 100% |
| Saturday Night | 56°F | Showers And Thunderstorms | 5 to 15 mph NE | 78% |
| Sunday | 66°F | Scattered Rain Showers then Partly Sunny | 15 mph NE | 28% |
| Sunday Night | 49°F | Mostly Cloudy | 10 to 15 mph NE | 2% |
| Monday | 62°F | Mostly Cloudy | 10 to 15 mph NE | 4% |
| Monday Night | 45°F | Mostly Cloudy | 5 to 10 mph NE | 3% |
| Tuesday | 61°F | Mostly Sunny | 10 to 15 mph NE | 4% |
| Tuesday Night | 45°F | Mostly Clear | 5 to 10 mph NE | 3% |
| Wednesday | 64°F | Mostly Sunny | 5 to 10 mph NE | 2% |
| Wednesday Night | 47°F | Partly Cloudy | 5 mph NE | 1% |
| Thursday | 66°F | Mostly Sunny | 5 mph NE | 3% |
| Thursday Night | 47°F | Partly Cloudy | 0 to 5 mph NE | 3% |
| Friday | 70°F | Mostly Sunny | 0 to 5 mph NE | 3% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Beaver Dam, WI
Last spring frost
May 2
First fall frost
Oct 9
Growing season
157 days
Hardiness zone
5a
Explore more for Beaver Dam, WI: full frost dates · planting calendar · Wisconsin frost dates
Climate data from the nearest NOAA station, Beaver Dam Wwtp, Wi (0.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.