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Pewaukee, WI Weather & Growing Conditions

Tonight
60°F
Showers And Thunderstorms
Rain showers likely before 1am, then showers and thunderstorms. Some of the storms could produce heavy rain. Cloudy, with a low around 60. East wind around 10 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

7-day forecast

WhenTempForecastWindPrecip
Tonight 60°F Showers And Thunderstorms 10 mph E 96%
Saturday 68°F Showers And Thunderstorms 5 to 10 mph SE 99%
Saturday Night 58°F Showers And Thunderstorms 5 to 10 mph E 75%
Sunday 64°F Chance Rain Showers 10 to 15 mph NE 37%
Sunday Night 53°F Mostly Cloudy 10 to 15 mph NE 7%
Monday 61°F Mostly Cloudy then Slight Chance Rain Showers 10 to 15 mph NE 15%
Monday Night 49°F Slight Chance Rain Showers 10 to 15 mph NE 15%
Tuesday 60°F Slight Chance Rain Showers then Partly Sunny 10 to 15 mph NE 15%
Tuesday Night 49°F Mostly Cloudy 5 to 10 mph NE 10%
Wednesday 63°F Partly Sunny 5 to 10 mph NE 10%
Wednesday Night 49°F Mostly Cloudy 0 to 5 mph NE 6%
Thursday 65°F Partly Sunny 0 to 5 mph NE 3%
Thursday Night 50°F Partly Cloudy 0 to 5 mph NE 4%
Friday 68°F Mostly Sunny 0 to 5 mph N 4%

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.