Beaver Dam, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Beaver Dam, a city in Dodge County, Wisconsin.
Today
66°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 1pm, then showers and thunderstorms. Cloudy, with a high near 66. East wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
7-day forecast for Beaver Dam
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 66°F | Chance Showers And Thunderstorms | 5 to 10 mph E | 78% |
| Tonight | 57°F | Showers And Thunderstorms Likely | 10 mph NE | 73% |
| Sunday | 66°F | Chance Rain Showers then Mostly Cloudy | 10 to 15 mph NE | 27% |
| Sunday Night | 49°F | Mostly Cloudy | 10 to 15 mph NE | 3% |
| 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% |
| Friday Night | 48°F | Partly Cloudy | 0 to 5 mph E | 2% |
Forecast source: National Weather Service (api.weather.gov) for Beaver Dam (43.468, -88.831). Updated through the day.
Growing snapshot for Beaver Dam
Last spring frost
May 2
First fall frost
Oct 9
Growing season
157 days
Hardiness zone
5a
More local growing data for Beaver Dam: nearby ZIP 53916 weather · frost dates · planting calendar · Wisconsin frost dates
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Climate data from the nearest NOAA station, Beaver Dam Wwtp, Wi (0.9 mi from Beaver Dam). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.