Lock Haven Weather Forecast

    • 68
    • 89

    Chance Rain Showers

    • 49
    • 82

    Rain Showers Likely

    • 46
    • 69

    Mostly Cloudy

    • 47
    • 64

    Rain Showers

    • 52
    • 59

    Rain Showers

    • 54
    • 69

    Chance Rain Showers

Today 19 May Southern Clinton

Partly sunny with a chance of Showers with a slight chance of Thunderstorms. Hot. Near steady temperature in the upper 80s. West Winds around 10 Mph with Gusts up to 25 Mph. Chance of rain 30 percent.

Tonight 19 May Southern Clinton

Partly cloudy. Lows in the upper 60s. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lock Haven Temperature Statistics

May Temperature

Williamsport - Lycoming County Airport (28 miles)

  • Lowest 12 May, 2026

    32.6 °F

  • Average May

    55.6 °F

  • Highest 17 May, 2026

    87.1 °F

Climate (2021–Present)

Williamsport - Lycoming County Airport (28 miles)

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  • Average Low 2021–2026

    43.6 °F

  • Average 2021–2026

    52.9 °F

  • Average High 2021–2026

    63.2 °F
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