Mainsville Weather Forecast

    • 15
    • 23

    Decreasing Clouds

    • 16
    • 26

    Mostly Cloudy

    • 25
    • 33

    Partly Sunny

    • 30
    • 47

    Mostly Cloudy

    • 33
    • 49

    Rain Showers Likely

    • 26
    • 42

    Slight Chance Rain Showers

Today 14 Dec Franklin

Mostly sunny. Much Colder with Highs in the lower 20s. Northwest Winds 15 to 20 Mph with Gusts up to 35 Mph. Wind chill Values as low as 4 above.

Tonight 14 Dec Franklin

Partly cloudy in the Evening, then clearing. Lows around 15. Northwest Winds 10 to 15 Mph with Gusts up to 35 Mph. Wind chill Values as low as zero.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mainsville Temperature Statistics

December Temperature

Hagerstown, Washington County Regional Airport (24.2 miles)

  • Lowest 9 December, 2025

    14 °F

  • Average December

    32.4 °F

  • Highest 7 December, 2025

    44.6 °F

Climate (2020–Present)

Hagerstown, Washington County Regional Airport (24.2 miles)

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  • Average Low 2020–2025

    47.8 °F

  • Average 2020–2025

    56.8 °F

  • Average High 2020–2025

    65.8 °F
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