Jarrettsville Weather Forecast

    • 24
    • 35

    Partly Sunny

    • 37
    • 42

    Chance Rain

    • 25
    • 53

    Rain Likely

    • 22
    • 31

    Breezy

    • 25
    • 36

    Mostly Cloudy

    • 19
    • 36

    Mostly Cloudy

    • 19
    • 31

    Partly Sunny

Today 27 Dec Northwest Harford

Partly sunny. Highs in the upper 30s. North Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 27 Dec Northwest Harford

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the mid 20s. Northeast Winds around 5 Mph in the Evening, becoming light and variable.

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  • Temperature Real-Time

Jarrettsville Temperature Statistics

December Temperature

Baltimore / Martin (18.6 miles)

  • Lowest 9 December, 2025

    15.8 °F

  • Average December

    33.6 °F

  • Highest 25 December, 2025

    57.2 °F

Climate (2020–Present)

Baltimore / Martin (18.6 miles)

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  • Average Low 2020–2025

    48.5 °F

  • Average 2020–2025

    55.5 °F

  • Average High 2020–2025

    64.8 °F
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