Whitewater, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Whitewater, a city in Walworth County, Wisconsin.
Tonight
60°F
Chance Showers And Thunderstorms
A chance of rain showers before 10pm, then a chance of showers and thunderstorms between 10pm and 1am, then a chance of showers and thunderstorms between 1am and 2am, then showers and thunderstorms. Some of the storms could produce heavy rain. Cloudy, with a low around 60. East wind around 10 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
7-day forecast for Whitewater
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 60°F | Chance Showers And Thunderstorms | 10 mph E | 93% |
| Saturday | 73°F | Showers And Thunderstorms | 10 mph SE | 94% |
| Saturday Night | 59°F | Showers And Thunderstorms | 5 to 10 mph NE | 75% |
| Sunday | 66°F | Chance Rain Showers | 10 to 15 mph NE | 50% |
| Sunday Night | 52°F | Chance Rain Showers then Mostly Cloudy | 10 to 15 mph NE | 33% |
| Monday | 62°F | Slight Chance Rain Showers | 10 to 15 mph NE | 20% |
| Monday Night | 48°F | Slight Chance Rain Showers | 5 to 15 mph NE | 18% |
| Tuesday | 61°F | Slight Chance Rain Showers then Mostly Cloudy | 10 to 15 mph NE | 15% |
| Tuesday Night | 46°F | Mostly Cloudy | 5 to 10 mph NE | 9% |
| Wednesday | 64°F | Partly Sunny | 5 to 10 mph NE | 7% |
| Wednesday Night | 48°F | Partly Cloudy | 0 to 5 mph NE | 3% |
| Thursday | 66°F | Partly Sunny | 0 to 5 mph NE | 4% |
| Thursday Night | 49°F | Partly Cloudy | 0 to 5 mph NE | 4% |
| Friday | 69°F | Mostly Sunny | 0 to 5 mph NE | 5% |
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 Sep 19, 2026.