Blackwell Weather Forecast

    • 55
    • 84

    Becoming Sunny

    • 44
    • 78

    Mostly Sunny

    • 50
    • 75

    Mostly Sunny

    • 55
    • 72

    Mostly Cloudy

    • 55
    • 80

    Partly Sunny

    • 56
    • 81

    Slight 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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Blackwell Temperature Statistics

September Temperature

Williamsport - Lycoming County Airport (31.7 miles)

  • Lowest 8 September, 2025

    44.1 °F

  • Average September

    64.6 °F

  • Highest 13 September, 2025

    86 °F

Climate (2020–Present)

Williamsport - Lycoming County Airport (31.7 miles)

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  • Average Low 2020–2025

    43.9 °F

  • Average 2020–2025

    53.1 °F

  • Average High 2020–2025

    63.3 °F
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