Mechanicsville Weather Forecast

    • 25
    • 28

    Slight Chance Snow

    • 26
    • 38

    Rain/Snow

    • 21
    • 32

    Mostly Cloudy

    • 20
    • 32

    Chance Snow Showers

    • 17
    • 30

    Mostly Cloudy

    • 12
    • 27

    Partly Sunny

Today 9 Dec Montour

Mostly sunny in the Morning, then becoming mostly cloudy. Highs in the upper 20s. South Winds 5 to 10 Mph.

Tonight 9 Dec Montour

Mostly clear. Colder with Lows around 10. Light and variable Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mechanicsville Temperature Statistics

December Temperature

Selinsgrove Penn Valley Airport (17.4 miles)

  • Lowest 5 December, 2025

    8.1 °F

  • Average December

    28.8 °F

  • Highest 1 December, 2025

    39 °F

Climate (2020–Present)

Selinsgrove Penn Valley Airport (17.4 miles)

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  • Average Low 2020–2025

    42.5 °F

  • Average 2020–2025

    52.7 °F

  • Average High 2020–2025

    63.1 °F
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