Williamsport Regional Airport Weather Forecast

    • 65
    • 86

    Chance Thunderstorms

    • 64
    • 78

    Rain Showers

    • 62
    • 78

    Rain Showers Likely

    • 61
    • 82

    Mostly Sunny

    • 63
    • 86

    Partly Sunny

    • 65
    • 87

    Chance Rain Showers

Today 27 Jul Southern Lycoming

Partly sunny. Patchy fog in the morning. A chance of Showers and Thunderstorms in the afternoon. Highs in the mid 80s. Light and variable Winds, becoming southwest around 5 Mph in the afternoon. Chance of rain 40 percent.

Tonight 27 Jul Southern Lycoming

Mostly cloudy. Areas of fog. Near steady temperature in the lower 60s. Light and variable Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Williamsport Regional Airport Temperature Statistics

July Temperature

Williamsport - Lycoming County Airport (0 miles)

  • Lowest 24 July, 2026

    51.1 °F

  • Average July

    77 °F

  • Highest 2 July, 2026

    100.7 °F

Climate (2021–2026)

Williamsport - Lycoming County Airport (0 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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