Williamsport Weather Forecast

    • 69
    • 83

    Rain Showers

    • 69
    • 84

    Rain Showers

    • 69
    • 87

    Rain Showers Likely

    • 63
    • 84

    Rain Showers

    • 60
    • 84

    Patchy Fog

    • 65
    • 89

    Patchy Fog

Today 16 Jun Johnson

Mostly cloudy. Areas of fog early. A slight chance of Showers this Morning, then Showers with Thunderstorms likely this afternoon. Highs in the lower 80s. Light and variable Winds, becoming west around 5 Mph this afternoon. Chance of rain 90 percent.

Tonight 16 Jun Johnson

Mostly cloudy. Showers and Thunderstorms likely in the Evening, then a chance of Showers and Thunderstorms overnight. Areas of dense fog late. Humid with Lows in the upper 60s. Light and variable Winds. Chance of rain 60 percent.

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Williamsport Temperature Statistics

June Temperature

Big Sandy Regional Airport (6.8 miles)

  • Lowest 2 June, 2025

    46.2 °F

  • Average June

    69.6 °F

  • Highest 13 June, 2025

    87.3 °F

Climate (2020–Present)

Big Sandy Regional Airport (6.8 miles)

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  • Average Low 2020–2025

    48.6 °F

  • Average 2020–2025

    57.6 °F

  • Average High 2020–2025

    67.5 °F
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