Wausau, WI Weather & Growing Conditions
Today
79°F
Slight Chance Showers And Thunderstorms then Mostly Cloudy
A slight chance of showers and thunderstorms before 11am. Mostly cloudy, with a high near 79. Heat index values as high as 79. West wind 8 to 12 mph, with gusts as high as 18 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 79°F | Slight Chance Showers And Thunderstorms then Mostly Cloudy | 8 to 12 mph W | 21% |
| Tonight | 55°F | Mostly Cloudy | 2 to 8 mph NW | 12% |
| Wednesday | 78°F | Partly Sunny | 2 to 6 mph NW | 3% |
| Wednesday Night | 52°F | Partly Cloudy | 1 to 5 mph WSW | 0% |
| Thursday | 82°F | Mostly Sunny | 1 to 7 mph WSW | 0% |
| Thursday Night | 57°F | Mostly Clear | 5 mph SSW | 0% |
| Friday | 84°F | Sunny then Slight Chance Showers And Thunderstorms | 3 to 13 mph SW | 16% |
| Friday Night | 62°F | Slight Chance Showers And Thunderstorms | 6 to 12 mph SW | 22% |
| Saturday | 84°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 15% |
| Saturday Night | 62°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 3 to 9 mph W | 45% |
| Sunday | 84°F | Chance Showers And Thunderstorms | 3 to 10 mph W | 44% |
| Sunday Night | 59°F | Chance Showers And Thunderstorms | 2 to 8 mph N | 36% |
| Monday | 81°F | Chance Showers And Thunderstorms | 2 to 8 mph SW | 29% |
| Monday Night | 59°F | Chance Showers And Thunderstorms | 3 to 8 mph N | 29% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Wausau, WI
Last spring frost
May 6
First fall frost
Oct 4
Growing season
150 days
Hardiness zone
4b
Explore more for Wausau, WI: full frost dates · planting calendar · Wisconsin frost dates
Climate data from the nearest NOAA station, Wausau Dwtn Ap, Wi (5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.