Mattoon, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Mattoon, a village in Shawano County, Wisconsin.
Today
79°F
Mostly Cloudy then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms between 1pm and 2pm. Mostly cloudy, with a high near 79. Heat index values as high as 79. West southwest wind 7 to 12 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
7-day forecast for Mattoon
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 79°F | Mostly Cloudy then Slight Chance Showers And Thunderstorms | 7 to 12 mph WSW | 16% |
| Tonight | 55°F | Slight Chance Rain Showers then Patchy Fog | 2 to 7 mph NW | 15% |
| Wednesday | 79°F | Patchy Fog then Partly Sunny | 1 to 6 mph NNW | 7% |
| Wednesday Night | 51°F | Partly Cloudy | 0 to 5 mph WNW | 0% |
| Thursday | 83°F | Mostly Sunny | 1 to 7 mph WSW | 0% |
| Thursday Night | 56°F | Mostly Clear | 6 mph SSW | 0% |
| Friday | 85°F | Sunny | 3 to 12 mph SW | 14% |
| Friday Night | 62°F | Chance Showers And Thunderstorms | 6 to 10 mph SW | 25% |
| Saturday | 85°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 9 mph SW | 17% |
| Saturday Night | 62°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 2 to 9 mph WSW | 41% |
| Sunday | 84°F | Chance Showers And Thunderstorms | 2 to 9 mph WNW | 41% |
| Sunday Night | 59°F | Chance Showers And Thunderstorms | 2 to 8 mph NNW | 32% |
| Monday | 82°F | Chance Showers And Thunderstorms | 2 to 7 mph SSW | 30% |
| Monday Night | 58°F | Chance Showers And Thunderstorms | 2 to 7 mph NNW | 30% |
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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Pella
Pulaski
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Shawano
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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 Aug 4, 2026.