Mattoon Weather Forecast

    • 53
    • 84

    Increasing Clouds

    • 45
    • 71

    Partly Sunny

    • 51
    • 77

    Partly Sunny

    • 50
    • 82

    Mostly Sunny

    • 53
    • 81

    Mostly Sunny

    • 60
    • 83

    Partly Sunny

    • 61
    • 84

    Chance Thunderstorms

Today 29 May Shawano

Warmer. Sunny. Highs in the middle 80s. Light and variable wind.

Tonight 29 May Shawano

Mostly clear. Lows in the lower 50s. Light and variable wind becoming east 5 to 10 Mph after midnight.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Mattoon Temperature Statistics

May Temperature

Langlade County Airport (10.6 miles)

  • Lowest 2 May, 2026

    24.3 °F

  • Average May

    51.1 °F

  • Highest 26 May, 2026

    87.3 °F

Climate (2021–Present)

Langlade County Airport (10.6 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    33 °F

  • Average 2021–2026

    42.8 °F

  • Average High 2021–2026

    52.1 °F
Get WillyWeather+ to remove ads