Lerna Weather Forecast

    • 43
    • 70

    Mostly Sunny

    • 42
    • 72

    Mostly Sunny

    • 46
    • 74

    Sunny

    • 47
    • 75

    Sunny

    • 47
    • 74

    Mostly Sunny

    • 50
    • 75

    Partly Sunny

Today 19 Oct Coles

Patchy frost this morning. Sunny. Highs in the lower 70s. Light and variable Winds, becoming southeast around 5 Mph this afternoon.

Tonight 19 Oct Coles

Mostly clear. Lows in the lower 40s. Light and variable Winds.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Lerna Temperature Statistics

October Temperature

Mattoon / Charleston, Coles County Memorial Airport (3.7 miles)

  • Lowest 17 October, 2026

    37.9 °F

  • Average October

    66.2 °F

  • Highest 13 October, 2026

    90.6 °F

Climate (2021–2026)

Mattoon / Charleston, Coles County Memorial Airport (3.7 miles)

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

  • Average Low 2021–2026

    45.9 °F

  • Average 2021–2026

    55.5 °F

  • Average High 2021–2026

    65.1 °F
Get WillyWeather+ to remove ads