Jarrettsville Weather Forecast

    • 30
    • 35

    Increasing Clouds

    • 24
    • 45

    Partly Sunny

    • 8
    • 35

    Mostly Cloudy

    • 10
    • 16

    Mostly Cloudy

    • 11
    • 17

    Snow Likely

    • 6
    • 23

    Mostly Sunny

Today 21 Jan Northwest Harford

Sunny in the Morning, then becoming partly sunny. Highs in the mid 30s. South Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 21 Jan Northwest Harford

Mostly cloudy in the Evening, then clearing. Not as cool with Lows around 30. Southwest Winds 5 to 10 Mph with Gusts up to 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Jarrettsville Temperature Statistics

January Temperature

Baltimore / Martin (18.6 miles)

  • Lowest 3 January, 2026

    22.3 °F

  • Average January

    35.4 °F

  • Highest 7 January, 2026

    62.6 °F

Climate (2021–Present)

Baltimore / Martin (18.6 miles)

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  • Average Low 2021–2026

    48.5 °F

  • Average 2021–2026

    55.5 °F

  • Average High 2021–2026

    64.8 °F
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