Mattoon, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Mattoon, a village in Shawano County, Wisconsin.
Tonight
51°F
Rain Showers Likely
Rain showers likely. Cloudy, with a low around 51. East wind around 9 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Mattoon
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 51°F | Rain Showers Likely | 9 mph E | 70% |
| Saturday | 62°F | Rain Showers Likely | 9 to 13 mph E | 72% |
| Saturday Night | 48°F | Rain Showers Likely then Mostly Cloudy | 6 to 9 mph NE | 67% |
| Sunday | 68°F | Partly Sunny | 8 to 13 mph NE | 4% |
| Sunday Night | 42°F | Mostly Cloudy | 12 mph NE | 1% |
| Monday | 62°F | Mostly Cloudy | 12 mph ENE | 1% |
| Monday Night | 40°F | Mostly Cloudy | 8 mph ENE | 2% |
| Tuesday | 63°F | Mostly Sunny | 6 to 10 mph ENE | 3% |
| Tuesday Night | 41°F | Partly Cloudy | 3 to 8 mph ENE | 3% |
| Wednesday | 65°F | Mostly Sunny | 3 to 8 mph ENE | 3% |
| Wednesday Night | 44°F | Partly Cloudy then Patchy Fog | 1 to 6 mph ENE | 2% |
| Thursday | 70°F | Mostly Sunny | 3 mph ESE | 5% |
| Thursday Night | 46°F | Partly Cloudy | 2 mph W | 6% |
| Friday | 72°F | Mostly Sunny | 1 to 5 mph NW | 6% |
Forecast source: National Weather Service (api.weather.gov) for Mattoon (45.005, -89.041). Updated through the day.
Growing snapshot for Mattoon
Last spring frost
May 14
First fall frost
Sep 30
Growing season
139 days
Hardiness zone
4b
More local growing data for Mattoon: nearby ZIP 54450 weather · frost dates · planting calendar · Wisconsin frost dates
Nearby towns & communities
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Cecil
Green Valley
Gresham
Krakow
Leopolis
Paac Ciinak
Pella
Pulaski
Pulcifer
Shawano
Thornton
Tigerton
Tilleda
Wittenberg
Climate data from the nearest NOAA station, Antigo, Wi (11.4 mi from Mattoon). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.