Butler, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Butler, a village in Waukesha County, Wisconsin.
Today
84°F
Mostly Sunny
Mostly sunny, with a high near 84. Southwest wind 5 to 10 mph.
7-day forecast for Butler
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Mostly Sunny | 5 to 10 mph SW | 5% |
| Tonight | 66°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 0 to 10 mph SW | 85% |
| Wednesday | 75°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 0 to 5 mph NW | 71% |
| Wednesday Night | 61°F | Chance Showers And Thunderstorms | 0 mph | 45% |
| Thursday | 79°F | Slight Chance Rain Showers then Mostly Sunny | 0 mph | 22% |
| Thursday Night | 61°F | Partly Cloudy | 0 mph | 8% |
| Friday | 80°F | Sunny | 0 mph | 1% |
| Friday Night | 64°F | Mostly Clear | 0 to 5 mph SW | 6% |
| Saturday | 82°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 15% |
| Saturday Night | 68°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 27% |
| Sunday | 83°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 27% |
| Sunday Night | 67°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 to 10 mph SW | 52% |
| Monday | 81°F | Chance Rain Showers | 5 mph S | 43% |
| Monday Night | 66°F | Chance Showers And Thunderstorms | 5 mph N | 42% |
Forecast source: National Weather Service (api.weather.gov) for Butler (43.108, -88.072). Updated through the day.
Growing snapshot for Butler
Last spring frost
Apr 26
First fall frost
Oct 18
Growing season
173 days
Hardiness zone
5b
More local growing data for Butler: nearby ZIP 53007 weather · frost dates · planting calendar · Wisconsin frost dates
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Waukesha
Climate data from the nearest NOAA station, Mt Mary College, Wi (3.3 mi from Butler). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.