Tomah, WI Weather & Growing Conditions
Today
61°F
Chance Rain Showers then Mostly Cloudy
A chance of rain showers before noon. Mostly cloudy. High near 61, with temperatures falling to around 54 in the afternoon. Southwest wind 9 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 61°F | Chance Rain Showers then Mostly Cloudy | 9 to 13 mph SW | 34% |
| Tonight | 42°F | Rain Showers Likely | 6 to 10 mph W | 65% |
| Thursday | 54°F | Chance Rain Showers | 7 to 14 mph N | 52% |
| Thursday Night | 31°F | Mostly Cloudy | 5 to 8 mph N | 8% |
| Friday | 48°F | Partly Sunny | 1 to 6 mph N | 0% |
| Friday Night | 25°F | Mostly Clear | 0 mph | 0% |
| Saturday | 51°F | Sunny | 0 to 3 mph W | 0% |
| Saturday Night | 30°F | Mostly Clear | 3 mph W | 4% |
| Sunday | 55°F | Sunny | 3 to 8 mph W | 6% |
| Sunday Night | 31°F | Mostly Clear | 2 mph W | 0% |
| Monday | 61°F | Mostly Sunny | 1 to 10 mph SW | 0% |
| Monday Night | 35°F | Partly Cloudy | 5 mph W | 1% |
| Tuesday | 59°F | Sunny | 5 mph NW | 0% |
| Tuesday Night | 33°F | Partly Cloudy | 1 mph NW | 2% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Tomah, WI
Last spring frost
May 6
First fall frost
Oct 3
Growing season
148 days
Hardiness zone
4b
Explore more for Tomah, WI: full frost dates · planting calendar · Wisconsin frost dates
Climate data from the nearest NOAA station, Mather 3 Nw, Wi (15.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.