Grimesville Weather Forecast

    • 55
    • 80

    Mostly Cloudy

    • 56
    • 82

    Mostly Sunny

    • 59
    • 79

    Mostly Cloudy

    • 62
    • 85

    Chance Rain Showers

    • 52
    • 76

    Chance Rain Showers

    • 50
    • 71

    Chance Rain Showers

Today 24 Sep Southern Lycoming

Mostly cloudy. Highs in the upper 70s. Southwest Winds around 5 Mph.

Tonight 24 Sep Southern Lycoming

Partly cloudy. Lows in the mid 50s. Southwest Winds around 5 Mph, becoming northwest after midnight.

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  • Temperature Forecast NOAA

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Grimesville Temperature Statistics

September Temperature

Williamsport - Lycoming County Airport (7.5 miles)

  • Lowest 21 September, 2020

    34 °F
  • Average September

    63.9 °F
  • Highest 8 September, 2020

    88 °F

Climate (2010–Present)

Williamsport - Lycoming County Airport (7.5 miles)

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  • Average Low 2010–Present

    44.6 °F
  • Average 2010–Present

    52.8 °F
  • Average High 2010–Present

    62.6 °F
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