Wausau, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Wausau, a city in Marathon County, Wisconsin.
Tonight
58°F
Rain Showers
Rain showers and areas of fog before 2am, then widespread fog and rain showers likely between 2am and 3am, then rain showers and areas of fog. Cloudy. Low around 58, with temperatures rising to around 60 overnight. South southeast wind around 9 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Wausau
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 58°F | Rain Showers | 9 mph SSE | 94% |
| Wednesday | 62°F | Rain Showers | 8 to 12 mph S | 90% |
| Wednesday Night | 45°F | Rain Showers | 7 to 10 mph SW | 83% |
| Thursday | 49°F | Rain Showers | 7 to 16 mph NNW | 85% |
| Thursday Night | 34°F | Slight Chance Rain Showers then Mostly Cloudy | 12 to 15 mph N | 20% |
| Friday | 45°F | Partly Sunny | 6 to 12 mph N | 3% |
| Friday Night | 27°F | Partly Cloudy | 0 to 3 mph NNW | 1% |
| Saturday | 48°F | Mostly Sunny | 0 to 6 mph W | 0% |
| Saturday Night | 31°F | Partly Cloudy | 5 mph W | 13% |
| Sunday | 53°F | Mostly Sunny | 5 to 10 mph WNW | 13% |
| Sunday Night | 33°F | Mostly Clear | 3 to 7 mph W | 3% |
| Monday | 54°F | Mostly Sunny | 5 to 13 mph SW | 0% |
| Monday Night | 37°F | Partly Cloudy | 6 to 9 mph W | 0% |
| Tuesday | 53°F | Sunny | 7 to 10 mph WNW | 0% |
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 Nov 4, 2026.