Pewaukee, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Pewaukee, a village in Waukesha County, Wisconsin.
Today
83°F
Mostly Sunny
Mostly sunny, with a high near 83. Southwest wind 5 to 10 mph.
7-day forecast for Pewaukee
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 83°F | Mostly Sunny | 5 to 10 mph SW | 7% |
| Tonight | 64°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 5 to 10 mph W | 87% |
| Wednesday | 74°F | Patchy Fog then Chance Showers And Thunderstorms | 5 mph W | 72% |
| Wednesday Night | 59°F | Chance Showers And Thunderstorms | 0 to 5 mph N | 44% |
| Thursday | 78°F | Slight Chance Rain Showers then Mostly Sunny | 0 to 5 mph NE | 21% |
| Thursday Night | 58°F | Mostly Clear | 0 to 5 mph NE | 8% |
| Friday | 81°F | Sunny | 0 to 5 mph SW | 1% |
| Friday Night | 62°F | Mostly Clear | 0 to 5 mph SW | 6% |
| Saturday | 83°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 15% |
| Saturday Night | 66°F | Slight Chance Showers And Thunderstorms | 5 mph SW | 29% |
| Sunday | 84°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 29% |
| Sunday Night | 65°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 to 10 mph SW | 52% |
| Monday | 82°F | Chance Rain Showers | 5 mph SW | 44% |
| Monday Night | 65°F | Chance Showers And Thunderstorms | 0 to 5 mph N | 43% |
Forecast source: National Weather Service (api.weather.gov) for Pewaukee (43.087, -88.256). Updated through the day.
Growing snapshot for Pewaukee
Last spring frost
Apr 30
First fall frost
Oct 14
Growing season
164 days
Hardiness zone
5b
More local growing data for Pewaukee: nearby ZIP 53072 weather · frost dates · planting calendar · Wisconsin frost dates
Nearby towns & communities
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Menomonee Falls
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Mukwonago
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Oconomowoc
Oconomowoc Lake
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Pewaukee
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Waukesha
Waukesha
Climate data from the nearest NOAA station, Brookfield Wwtp, Wi (4.9 mi from Pewaukee). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.