Wausau, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Wausau, a city in Marathon County, Wisconsin.
Today
79°F
Chance Rain Showers then Slight Chance Showers And Thunderstorms
A chance of rain showers between 9am and 1pm, then a slight chance of showers and thunderstorms between 1pm and 5pm. Partly sunny, with a high near 79. Heat index values as high as 79. West southwest wind 8 to 12 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
7-day forecast for Wausau
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 79°F | Chance Rain Showers then Slight Chance Showers And Thunderstorms | 8 to 12 mph WSW | 28% |
| Tonight | 57°F | Slight Chance Rain Showers then Mostly Cloudy | 2 to 8 mph NW | 13% |
| Wednesday | 78°F | Mostly Sunny | 2 to 6 mph NNW | 1% |
| Wednesday Night | 54°F | Mostly Clear | 0 to 5 mph NNW | 1% |
| Thursday | 83°F | Sunny | 0 to 7 mph WSW | 0% |
| Thursday Night | 60°F | Mostly Clear | 6 mph SW | 0% |
| Friday | 87°F | Sunny | 3 to 12 mph SW | 5% |
| Friday Night | 63°F | Slight Chance Rain Showers | 6 to 10 mph SW | 22% |
| Saturday | 86°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 15% |
| Saturday Night | 63°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 3 to 9 mph WSW | 44% |
| Sunday | 85°F | Chance Showers And Thunderstorms | 3 to 10 mph WNW | 44% |
| Sunday Night | 61°F | Chance Showers And Thunderstorms | 2 to 9 mph NNW | 36% |
| Monday | 82°F | Chance Showers And Thunderstorms | 2 to 8 mph SW | 29% |
| Monday Night | 61°F | Chance Showers And Thunderstorms | 3 to 8 mph N | 29% |
Forecast source: National Weather Service (api.weather.gov) for Wausau (44.962, -89.647). Updated through the day.
Growing snapshot for Wausau
Last spring frost
May 6
First fall frost
Oct 4
Growing season
150 days
Hardiness zone
4b
More local growing data for Wausau: nearby ZIP 54401 weather · frost dates · planting calendar · Wisconsin frost dates
Nearby towns & communities
Abbotsford
Athens
Colby
Edgar
Eland
Elderon
Fenwood
Hatley
Knowlton
Kronenwetter
Maine
Marathon City
Mosinee
Rib Mountain
Rothschild
Schofield
Stratford
Weston
Climate data from the nearest NOAA station, Wausau Dwtn Ap, Wi (5 mi from Wausau). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.