Big Bend, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Big Bend, a village in Waukesha County, Wisconsin.
Tonight
62°F
Showers And Thunderstorms
A chance of rain showers before 1am, then showers and thunderstorms. Some of the storms could produce heavy rain. Cloudy, with a low around 62. East wind 10 to 15 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
7-day forecast for Big Bend
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 62°F | Showers And Thunderstorms | 10 to 15 mph E | 94% |
| Saturday | 69°F | Showers And Thunderstorms | 5 to 10 mph SE | 99% |
| Saturday Night | 59°F | Showers And Thunderstorms | 5 to 10 mph NE | 78% |
| Sunday | 64°F | Chance Rain Showers | 10 to 15 mph NE | 41% |
| Sunday Night | 54°F | Mostly Cloudy | 10 to 15 mph NE | 13% |
| Monday | 62°F | Slight Chance Rain Showers | 15 mph E | 17% |
| Monday Night | 50°F | Slight Chance Rain Showers | 10 to 15 mph NE | 15% |
| Tuesday | 60°F | Slight Chance Rain Showers | 10 to 15 mph NE | 16% |
| Tuesday Night | 50°F | Mostly Cloudy | 5 to 10 mph NE | 12% |
| Wednesday | 63°F | Partly Sunny | 5 to 10 mph NE | 11% |
| Wednesday Night | 50°F | Mostly Cloudy | 0 to 10 mph NE | 6% |
| Thursday | 66°F | Partly Sunny | 5 mph NE | 4% |
| Thursday Night | 51°F | Partly Cloudy | 0 to 5 mph N | 4% |
| Friday | 68°F | Mostly Sunny | 0 to 5 mph N | 4% |
Forecast source: National Weather Service (api.weather.gov) for Big Bend (42.884, -88.204). Updated through the day.
Growing snapshot for Big Bend
Last spring frost
May 1
First fall frost
Oct 13
Growing season
162 days
Hardiness zone
5b
More local growing data for Big Bend: nearby ZIP 53103 weather · frost dates · planting calendar · Wisconsin frost dates
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Waukesha
Climate data from the nearest NOAA station, Waukesha Wwtp, Wi (8.8 mi from Big Bend). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.