Tomahawk, WI Weather & Growing Conditions
Today
77°F
Showers And Thunderstorms Likely then Partly Sunny
Showers and thunderstorms likely before noon. Partly sunny, with a high near 77. Heat index values as high as 77. West northwest wind around 7 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 77°F | Showers And Thunderstorms Likely then Partly Sunny | 7 mph WNW | 70% |
| Tonight | 52°F | Mostly Cloudy | 0 to 6 mph NNW | 7% |
| Wednesday | 76°F | Mostly Sunny | 0 to 5 mph WNW | 1% |
| Wednesday Night | 51°F | Mostly Clear | 2 mph WSW | 0% |
| Thursday | 81°F | Sunny | 1 to 8 mph SW | 1% |
| Thursday Night | 58°F | Mostly Clear | 7 mph SW | 1% |
| Friday | 84°F | Sunny | 5 to 10 mph SW | 11% |
| Friday Night | 60°F | Chance Showers And Thunderstorms | 3 to 7 mph SW | 36% |
| Saturday | 82°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 3 to 7 mph WSW | 23% |
| Saturday Night | 60°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 1 to 6 mph W | 48% |
| Sunday | 81°F | Chance Showers And Thunderstorms | 2 to 7 mph W | 45% |
| Sunday Night | 57°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 0 to 6 mph NNW | 28% |
| Monday | 79°F | Patchy Fog then Chance Showers And Thunderstorms | 1 to 5 mph NNW | 27% |
| Monday Night | 57°F | Chance Showers And Thunderstorms | 3 mph N | 27% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Tomahawk, WI
Last spring frost
May 13
First fall frost
Oct 3
Growing season
141 days
Hardiness zone
4a
Explore more for Tomahawk, WI: full frost dates · planting calendar · Wisconsin frost dates
Climate data from the nearest NOAA station, Willow Rsvr, Wi (9.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.