Old Furnace Weather Forecast

    • 57
    • 71

    Mostly Cloudy

    • 56
    • 76

    Chance Rain Showers

    • 64
    • 79

    Partly Sunny

    • 65
    • 82

    Rain Showers Likely

    • 60
    • 81

    Partly Sunny

    • 61
    • 79

    Partly Sunny

Today 24 Aug Union

Partly sunny with isolated Showers. Highs in the lower 70s. West Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 20 percent.

Tonight 24 Aug Union

Partly cloudy. Lows in the mid 50s. West Winds 5 to 10 Mph.

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Old Furnace Temperature Statistics

August Temperature

Williamsport - Lycoming County Airport (11.2 miles)

  • Lowest 21 August, 2026

    56.6 °F

  • Average August

    73.9 °F

  • Highest 6 August, 2026

    89.7 °F

Climate (2021–2026)

Williamsport - Lycoming County Airport (11.2 miles)

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  • Average Low 2021–2026

    43.6 °F

  • Average 2021–2026

    53 °F

  • Average High 2021–2026

    63.3 °F
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