Fallston Weather Forecast

    • 26
    • 41

    Mostly Sunny

    • 19
    • 38

    Partly Sunny

    • 23
    • 32

    Chance Snow

    • 26
    • 41

    Mostly Cloudy

    • 24
    • 40

    Mostly Cloudy

    • 20
    • 34

    Partly Sunny

    • 27
    • 36

    Mostly Cloudy

Today 3 Dec Northwest Harford

Mostly sunny. Highs in the lower 40s. West Winds around 5 Mph.

Tonight 3 Dec Northwest Harford

Mostly clear. Lows in the mid 20s. West Winds around 5 Mph.

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Fallston Temperature Statistics

December Temperature

Baltimore / Martin (12.4 miles)

  • Lowest 1 December, 2025

    30.2 °F

  • Average December

    36.6 °F

  • Highest 1 December, 2025

    46.4 °F

Climate (2020–Present)

Baltimore / Martin (12.4 miles)

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  • Average Low 2020–2025

    48.6 °F

  • Average 2020–2025

    55.5 °F

  • Average High 2020–2025

    64.9 °F
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