Lake Tomahawk, WI Weather & Growing Conditions
This Afternoon
63°F
Chance Rain Showers
A chance of rain showers. Cloudy. High near 63, with temperatures falling to around 57 in the afternoon. Southeast wind around 6 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 63°F | Chance Rain Showers | 6 mph SE | 38% |
| Tonight | 49°F | Chance Rain Showers | 6 mph ESE | 41% |
| Saturday | 62°F | Chance Rain Showers | 8 mph E | 36% |
| Saturday Night | 46°F | Chance Rain Showers then Patchy Fog | 2 to 6 mph NE | 29% |
| Sunday | 66°F | Partly Sunny | 6 to 10 mph NE | 0% |
| Sunday Night | 40°F | Mostly Cloudy | 5 to 8 mph NE | 0% |
| Monday | 63°F | Partly Sunny | 7 mph ENE | 1% |
| Monday Night | 37°F | Partly Cloudy | 5 mph E | 1% |
| Tuesday | 64°F | Patchy Frost then Mostly Sunny | 2 to 7 mph E | 1% |
| Tuesday Night | 39°F | Mostly Clear then Patchy Fog | 1 to 5 mph E | 2% |
| Wednesday | 66°F | Mostly Sunny | 2 to 6 mph ESE | 2% |
| Wednesday Night | 43°F | Partly Cloudy then Patchy Fog | 0 to 3 mph ESE | 2% |
| Thursday | 69°F | Patchy Fog then Mostly Sunny | 0 to 3 mph SSE | 4% |
| Thursday Night | 45°F | Partly Cloudy | 2 mph W | 6% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Lake Tomahawk, WI
Last spring frost
May 19
First fall frost
Oct 3
Growing season
136 days
Hardiness zone
4a
Explore more for Lake Tomahawk, WI: full frost dates · planting calendar · Wisconsin frost dates
Climate data from the nearest NOAA station, St Germain, Wi (8.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.