Whitewater, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Whitewater, a city in Walworth County, Wisconsin.
Today
84°F
Partly Sunny
Partly sunny, with a high near 84. Southwest wind around 10 mph.
7-day forecast for Whitewater
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Partly Sunny | 10 mph SW | 11% |
| Tonight | 64°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 5 mph W | 90% |
| Wednesday | 75°F | Patchy Fog then Slight Chance Showers And Thunderstorms | 5 mph W | 73% |
| Wednesday Night | 59°F | Chance Showers And Thunderstorms | 0 to 5 mph NW | 43% |
| Thursday | 78°F | Slight Chance Rain Showers then Mostly Sunny | 0 to 5 mph NE | 24% |
| Thursday Night | 57°F | Mostly Clear | 0 mph | 9% |
| Friday | 81°F | Mostly Sunny | 0 to 5 mph W | 2% |
| Friday Night | 62°F | Mostly Clear | 0 to 5 mph SW | 5% |
| Saturday | 83°F | Sunny | 5 to 10 mph SW | 13% |
| Saturday Night | 67°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 29% |
| Sunday | 84°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 29% |
| Sunday Night | 66°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 47% |
| Monday | 83°F | Chance Rain Showers | 5 to 10 mph S | 45% |
| Monday Night | 66°F | Chance Showers And Thunderstorms | 5 mph W | 45% |
Forecast source: National Weather Service (api.weather.gov) for Whitewater (42.837, -88.734). Updated through the day.
Growing snapshot for Whitewater
Last spring frost
May 2
First fall frost
Oct 9
Growing season
157 days
Hardiness zone
5b
More local growing data for Whitewater: nearby ZIP 53190 weather · frost dates · planting calendar · Wisconsin frost dates
Nearby towns & communities
Allens Grove
Big Foot Prairie
Bloomfield
Como
Darien
Delavan
Delavan Lake
East Troy
Elkhorn
Fontana-on-Geneva Lake
Genoa City
Lake Geneva
Lake Ivanhoe
Lake Lorraine
Lauderdale Lakes
Lyons
Powers Lake
Sharon
Springfield
Turtle Lake
Walworth
Williams Bay
Climate data from the nearest NOAA station, Whitewater, Wi (3 mi from Whitewater). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.