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Pewaukee, WI Weather & Growing Conditions

Today
68°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 1pm, then showers and thunderstorms. Cloudy, with a high near 68. 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

WhenTempForecastWindPrecip
Today 68°F Chance Showers And Thunderstorms 5 to 10 mph E 76%
Tonight 59°F Showers And Thunderstorms 5 to 10 mph NE 84%
Sunday 64°F Chance Rain Showers then Cloudy 10 to 15 mph NE 47%
Sunday Night 52°F Mostly Cloudy 10 to 15 mph NE 2%
Monday 61°F Mostly Cloudy 10 to 15 mph NE 6%
Monday Night 48°F Mostly Cloudy 5 to 10 mph NE 6%
Tuesday 60°F Partly Sunny 5 to 15 mph NE 8%
Tuesday Night 48°F Partly Cloudy 5 to 10 mph NE 5%
Wednesday 62°F Mostly Sunny 5 to 10 mph NE 5%
Wednesday Night 50°F Partly Cloudy 0 to 5 mph NE 2%
Thursday 65°F Mostly Sunny 0 to 10 mph NE 4%
Thursday Night 50°F Partly Cloudy 0 to 5 mph NE 4%
Friday 68°F Mostly Sunny 0 to 5 mph NE 4%
Friday Night 50°F Partly Cloudy 0 to 5 mph NE 2%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Pewaukee, WI

Last spring frost
Apr 30
First fall frost
Oct 14
Growing season
164 days
Hardiness zone
5b

Explore more for Pewaukee, WI: full frost dates · planting calendar · Wisconsin frost dates

Climate data from the nearest NOAA station, Brookfield Wwtp, Wi (4.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.