Charleston Weather Forecast

    • 55
    • 82

    Mostly Sunny

    • 43
    • 74

    Partly Sunny

    • 50
    • 73

    Partly Sunny

    • 55
    • 71

    Mostly Cloudy

    • 56
    • 78

    Slight Chance Rain Showers

    • 55
    • 79

    Chance Rain Showers

Today 18 Sep Tioga

Patchy fog this morning. Sunny. Very warm with Highs around 80. Northwest Winds around 5 Mph.

Tonight 18 Sep Tioga

Mostly clear. Lows in the mid 50s. Northwest Winds around 5 Mph.

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Charleston Temperature Statistics

September Temperature

Elmira, Elmira / Corning Regional Airport (31.7 miles)

  • Lowest 8 September, 2025

    37 °F

  • Average September

    59.7 °F

  • Highest 3 September, 2025

    79 °F

Climate (2020–Present)

Elmira, Elmira / Corning Regional Airport (31.7 miles)

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  • Average Low 2020–2025

    39.7 °F

  • Average 2020–2025

    50.6 °F

  • Average High 2020–2025

    61.7 °F
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