Tomah, WI Weather & Growing Conditions
Tonight
51°F
Showers And Thunderstorms
Showers and thunderstorms. Some of the storms could produce heavy rain. Cloudy. Low around 51, with temperatures rising to around 53 overnight. East wind around 14 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 51°F | Showers And Thunderstorms | 14 mph E | 99% |
| Saturday | 62°F | Showers And Thunderstorms | 7 to 12 mph E | 86% |
| Saturday Night | 50°F | Showers And Thunderstorms Likely | 7 to 12 mph NE | 69% |
| Sunday | 68°F | Partly Sunny | 7 to 13 mph NE | 11% |
| Sunday Night | 44°F | Mostly Cloudy | 8 mph NE | 4% |
| Monday | 63°F | Mostly Cloudy | 6 to 12 mph E | 14% |
| Monday Night | 41°F | Mostly Cloudy then Slight Chance Rain Showers | 2 to 8 mph NE | 23% |
| Tuesday | 62°F | Slight Chance Rain Showers then Partly Sunny | 3 to 8 mph E | 23% |
| Tuesday Night | 40°F | Partly Cloudy | 0 to 5 mph NE | 3% |
| Wednesday | 66°F | Sunny | 1 to 5 mph E | 2% |
| Wednesday Night | 43°F | Partly Cloudy | 1 mph NE | 3% |
| Thursday | 69°F | Mostly Sunny | 2 mph NE | 6% |
| Thursday Night | 45°F | Partly Cloudy | 1 mph NE | 6% |
| Friday | 71°F | Mostly Sunny | 2 mph NE | 4% |
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 Sep 19, 2026.