Williamsport Weather Forecast

    • 62
    • 83

    Mostly Sunny

    • 66
    • 86

    Partly Sunny

    • 66
    • 81

    Rain Showers

    • 65
    • 81

    Chance Thunderstorms

    • 63
    • 80

    Slight Chance Thunderstorms

    • 66
    • 84

    Chance Rain Showers

    • 68
    • 85

    Chance Thunderstorms

Today 30 Jul Pickaway

Partly cloudy. Highs in the lower 80s. North Winds around 10 Mph.

Tonight 30 Jul Pickaway

Mostly Clear, then becoming partly cloudy after Midnight, then becoming mostly clear. Lows in the lower 60s. North Winds 5 to 10 Mph this Evening, becoming light and variable.

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Williamsport Temperature Statistics

July Temperature

Chillicothe Ross County Airport (11.2 miles)

  • Lowest 23 July, 2026

    50 °F

  • Average July

    75.1 °F

  • Highest 1 July, 2026

    91.4 °F

Climate (2021–2026)

Chillicothe Ross County Airport (11.2 miles)

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  • Average Low 2021–2026

    43.5 °F

  • Average 2021–2026

    53.7 °F

  • Average High 2021–2026

    64.5 °F
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