Williamsport Weather Forecast

    • 63
    • 84

    Sunny

    • 66
    • 87

    Sunny

    • 69
    • 90

    Sunny

    • 69
    • 91

    Mostly Sunny

    • 69
    • 89

    Mostly Sunny

    • 70
    • 88

    Partly Sunny

Today 12 Jul Warren

Sunny. Highs in the mid 80s. Northeast Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 12 Jul Warren

Clear. Lows in the lower 60s. Northeast Winds around 5 Mph.

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Williamsport Temperature Statistics

July Temperature

Danville, Vermilion County Airport (16.8 miles)

  • Lowest 8 July, 2026

    65.7 °F

  • Average July

    78.6 °F

  • Highest 2 July, 2026

    93 °F

Climate (2021–2026)

Danville, Vermilion County Airport (16.8 miles)

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  • Average Low 2021–2026

    44.6 °F

  • Average 2021–2026

    54.5 °F

  • Average High 2021–2026

    64.5 °F
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