Whitewater, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Whitewater, a city in Walworth County, Wisconsin.
This Afternoon
70°F
Light Rain
Rain and a slight chance of thunderstorms. Cloudy, with a high near 70. South wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Whitewater
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 70°F | Light Rain | 15 to 20 mph S | 95% |
| 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 | 44% |
| 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 Mostly Cloudy | 5 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 | 17% |
| Sunday Night | 34°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) 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 Nov 3, 2026.