Old Furnace Weather Forecast

    • 64
    • 75

    Rain Showers

    • 64
    • 76

    Rain Showers Likely

    • 65
    • 82

    Slight Chance Thunderstorms

    • 67
    • 85

    Chance Thunderstorms

    • 65
    • 84

    Rain Showers Likely

    • 62
    • 81

    Chance Thunderstorms

Today 6 Jul Union

Showers likely with a slight chance of Thunderstorms in the Morning, then Showers with a chance of Thunderstorms in the afternoon. Some Thunderstorms may produce heavy rainfall. Not as warm. Humid with Highs in the mid 70s. East Winds around 5 Mph. Chance of rain 90 percent.

Tonight 6 Jul Union

Cloudy with a 50 percent chance of Showers. Patchy fog. Near steady temperature in the lower 70s. East Winds around 5 Mph.

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Old Furnace Temperature Statistics

July Temperature

Williamsport - Lycoming County Airport (11.2 miles)

  • Lowest 1 July, 2026

    72.6 °F

  • Average July

    85.8 °F

  • Highest 2 July, 2026

    100.7 °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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