Longtown Weather Forecast

    • 71
    • 94

    Increasing Clouds

    • 64
    • 88

    Mostly Sunny

    • 62
    • 88

    Sunny

    • 65
    • 89

    Mostly Sunny

    • 69
    • 93

    Mostly Sunny

    • 70
    • 92

    Slight Chance Thunderstorms

Today 14 Sep Fairfield

Sunny. Highs in the mid 90s. North Winds around 5 Mph.

Tonight 14 Sep Fairfield

Mostly clear in the Evening, then becoming partly cloudy. Lows in the lower 70s. Northeast Winds 5 to 10 Mph.

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Longtown Temperature Statistics

September Temperature

Winnsboro/Fairfield County Airport (15.5 miles)

  • Lowest 9 September, 2026

    64.4 °F

  • Average September

    80.3 °F

  • Highest 3 September, 2026

    96.8 °F

Climate (2021–2026)

Winnsboro/Fairfield County Airport (15.5 miles)

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  • Average Low 2021–2026

    53.1 °F

  • Average 2021–2026

    62.7 °F

  • Average High 2021–2026

    73.6 °F
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