Summerville Weather Forecast

    • 51
    • 77

    Becoming Sunny

    • 52
    • 78

    Partly Sunny

    • 61
    • 81

    Partly Sunny

    • 65
    • 85

    Chance Rain Showers

    • 53
    • 76

    Slight Chance Rain Showers

    • 51
    • 73

    Mostly Sunny

Today 6 Sep Jefferson

Mostly sunny. Highs in the mid 70s. Northeast Winds around 5 Mph.

Tonight 6 Sep Jefferson

Mainly clear. Lows around 50. Northeast Winds around 5 Mph.

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  • Temperature Real-Time

Summerville Temperature Statistics

September Temperature

Du Bois - Jefferson County Airport (15.5 miles)

  • Lowest 2 September, 2026

    64.7 °F

  • Average September

    74.6 °F

  • Highest 1 September, 2026

    85.6 °F

Climate (2021–2026)

Du Bois - Jefferson County Airport (15.5 miles)

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  • Average Low 2021–2026

    41.9 °F

  • Average 2021–2026

    51 °F

  • Average High 2021–2026

    60 °F
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