Grimesville Weather Forecast

    • 24
    • 43

    Gradual Clearing

    • 26
    • 41

    Partly Sunny

    • 36
    • 53

    Mostly Cloudy

    • 44
    • 56

    Chance Rain Showers

    • 52
    • 64

    Chance Rain Showers

    • 47
    • 70

    Chance Rain Showers

Today 27 Mar Southern Lycoming

Cloudy with a slight chance of rain this Morning, then partly sunny this afternoon. Much cooler with Highs in the lower 40s. North Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 20 percent.

Tonight 27 Mar Southern Lycoming

Mostly clear in the Evening, then becoming partly cloudy. Cooler with Lows in the mid 20s. North Winds 5 to 10 Mph with Gusts up to 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grimesville Temperature Statistics

March Temperature

Williamsport - Lycoming County Airport (7.5 miles)

  • Lowest 2 March, 2026

    17.7 °F

  • Average March

    41.8 °F

  • Highest 10 March, 2026

    77.6 °F

Climate (2021–Present)

Williamsport - Lycoming County Airport (7.5 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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