Wausau, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Wausau, a city in Marathon County, Wisconsin.
Tonight
53°F
Rain Showers
Rain showers before 1am, then showers and thunderstorms. Cloudy, with a low around 53. East wind around 10 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
7-day forecast for Wausau
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 53°F | Rain Showers | 10 mph E | 90% |
| Saturday | 63°F | Showers And Thunderstorms | 13 mph E | 77% |
| Saturday Night | 50°F | Rain Showers Likely then Mostly Cloudy | 6 to 10 mph NE | 64% |
| Sunday | 70°F | Partly Sunny | 8 to 13 mph NE | 7% |
| Sunday Night | 43°F | Mostly Cloudy | 9 mph ENE | 1% |
| Monday | 63°F | Mostly Cloudy | 7 to 12 mph ENE | 3% |
| Monday Night | 40°F | Mostly Cloudy | 8 mph ENE | 3% |
| Tuesday | 64°F | Mostly Sunny | 6 to 10 mph ENE | 3% |
| Tuesday Night | 42°F | Partly Cloudy | 3 to 7 mph ENE | 3% |
| Wednesday | 67°F | Sunny | 3 to 7 mph E | 2% |
| Wednesday Night | 45°F | Partly Cloudy then Patchy Fog | 1 to 6 mph E | 2% |
| Thursday | 70°F | Patchy Fog then Mostly Sunny | 1 to 5 mph ESE | 5% |
| Thursday Night | 46°F | Partly Cloudy | 3 mph W | 7% |
| Friday | 73°F | Mostly Sunny | 1 to 6 mph NW | 7% |
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 Sep 19, 2026.