Mattoon, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Mattoon, a village in Shawano County, Wisconsin.
This Afternoon
66°F
Rain Showers Likely
Rain showers likely and areas of fog before 4pm, then areas of fog and a chance of rain showers. Cloudy. High near 66, with temperatures falling to around 64 in the afternoon. South wind around 10 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Mattoon
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 66°F | Rain Showers Likely | 10 mph S | 55% |
| Tonight | 57°F | Rain Showers | 10 mph SSE | 95% |
| Wednesday | 62°F | Rain Showers | 12 mph S | 95% |
| Wednesday Night | 45°F | Rain Showers | 6 to 10 mph SW | 78% |
| Thursday | 50°F | Rain Showers | 6 to 15 mph NW | 90% |
| Thursday Night | 33°F | Chance Rain Showers then Mostly Cloudy | 13 to 16 mph N | 27% |
| Friday | 45°F | Partly Sunny | 6 to 13 mph N | 4% |
| Friday Night | 26°F | Partly Cloudy | 0 to 3 mph N | 2% |
| Saturday | 47°F | Mostly Sunny | 0 to 5 mph W | 0% |
| Saturday Night | 30°F | Partly Cloudy | 5 mph W | 11% |
| Sunday | 53°F | Mostly Sunny | 5 to 10 mph WNW | 10% |
| Sunday Night | 32°F | Partly Cloudy | 3 to 8 mph W | 3% |
| Monday | 54°F | Mostly Sunny | 3 to 12 mph WSW | 1% |
| Monday Night | 36°F | Partly Cloudy | 7 to 10 mph WNW | 0% |
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
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Shawano
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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 Nov 4, 2026.