Whitewater, WI Weather & Growing Conditions
This Afternoon
70°F
Light Rain Likely
Rain likely and a slight chance of thunderstorms. Cloudy, with a high near 70. South wind around 15 mph, with gusts as high as 35 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 70°F | Light Rain Likely | 15 mph S | 72% |
| Tonight | 56°F | Light Rain | 10 to 15 mph S | 85% |
| Wednesday | 61°F | Light Rain | 10 to 15 mph S | 81% |
| Wednesday Night | 46°F | Chance Light Rain | 10 to 15 mph SW | 42% |
| Thursday | 54°F | Light Rain Likely | 5 to 10 mph W | 69% |
| Thursday Night | 38°F | Chance Light Rain | 5 to 10 mph NW | 51% |
| Friday | 49°F | Slight Chance Light Rain then Partly Sunny | 10 to 15 mph N | 19% |
| Friday Night | 31°F | Partly Cloudy | 0 to 5 mph N | 2% |
| Saturday | 52°F | Mostly Sunny | 0 to 5 mph W | 4% |
| Saturday Night | 32°F | Partly Cloudy | 0 to 5 mph SW | 7% |
| Sunday | 57°F | Slight Chance Light Rain | 5 to 10 mph W | 18% |
| Sunday Night | 33°F | Mostly Clear | 0 to 5 mph W | 5% |
| Monday | 59°F | Mostly Sunny | 5 to 10 mph SW | 1% |
| Monday Night | 38°F | Mostly Clear | 5 to 10 mph W | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Whitewater, WI
Last spring frost
May 2
First fall frost
Oct 9
Growing season
157 days
Hardiness zone
5b
Explore more for Whitewater, WI: full frost dates · planting calendar · Wisconsin frost dates
Climate data from the nearest NOAA station, Whitewater, Wi (3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.