Pewaukee, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Pewaukee, a city in Waukesha County, Wisconsin.
Overnight
58°F
Light Rain
Rain. Cloudy, with a low around 58. South wind around 10 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Pewaukee
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 58°F | Light Rain | 10 mph S | 86% |
| Wednesday | 62°F | Chance Light Rain | 10 to 15 mph S | 34% |
| Wednesday Night | 45°F | Cloudy then Chance Light Rain | 15 mph SW | 32% |
| Thursday | 54°F | Light Rain Likely | 10 to 15 mph W | 55% |
| Thursday Night | 37°F | Chance Light Rain then Cloudy | 10 mph N | 34% |
| Friday | 47°F | Mostly Cloudy | 10 to 15 mph N | 10% |
| Friday Night | 31°F | Partly Cloudy | 0 to 5 mph N | 1% |
| Saturday | 49°F | Sunny | 0 to 5 mph NW | 0% |
| Saturday Night | 33°F | Partly Cloudy | 0 to 5 mph W | 2% |
| Sunday | 55°F | Sunny | 5 to 10 mph W | 7% |
| Sunday Night | 34°F | Mostly Clear | 0 to 5 mph W | 1% |
| Monday | 59°F | Mostly Sunny | 0 to 10 mph SW | 0% |
| Monday Night | 40°F | Mostly Clear | 5 to 10 mph W | 1% |
| Tuesday | 59°F | Sunny | 5 to 10 mph NW | 2% |
Forecast source: National Weather Service (api.weather.gov) for Pewaukee (43.066, -88.244). 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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Brookfield
Butler
Chenequa
Delafield
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Elm Grove
Hartland
Lac La Belle
Lannon
Menomonee Falls
Merton
Mukwonago
Muskego
Nashotah
New Berlin
North Lake
North Prairie
Oconomowoc
Oconomowoc Lake
Okauchee Lake
Pewaukee
Potter Lake
Summit
Sussex
Vernon
Wales
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 Nov 4, 2026.