Lake Charleston Weather Forecast

    • 42
    • 62

    Rain Showers

    • 37
    • 59

    Mostly Sunny

    • 48
    • 64

    Rain Showers

    • 63
    • 69

    Rain Showers Likely

    • 66
    • 77

    Chance Thunderstorms

    • 62
    • 79

    Rain Showers Likely

    • 52
    • 73

    Chance Rain Showers

Today 23 Apr Coles

Showers with isolated Thunderstorms. Near steady temperature in the lower 50s. Temperature falling into the lower 50s late. West Winds 10 to 15 Mph. Chance of rain near 100 percent.

Tonight 23 Apr Coles

Partly cloudy this Evening, then clearing. Lows in the lower 40s. West Winds around 10 Mph with Gusts up to 20 Mph, becoming northwest after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Charleston Temperature Statistics

April Temperature

Mattoon / Charleston, Coles County Memorial Airport (6.8 miles)

  • Lowest 6 April, 2024

    28.9 °F

  • Average April

    55.1 °F

  • Highest 15 April, 2024

    84.7 °F

Climate (2019–Present)

Mattoon / Charleston, Coles County Memorial Airport (6.8 miles)

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  • Average Low 2019–2024

    45.9 °F

  • Average 2019–2024

    54.8 °F

  • Average High 2019–2024

    63.9 °F
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