Patapsco Valley State Park Weather Forecast

    • 19
    • 47

    Becoming Sunny

    • 32
    • 43

    Chance Rain/Snow

    • 37
    • 49

    Mostly Cloudy

    • 35
    • 49

    Chance Rain

    • 44
    • 51

    Chance Rain

    • 40
    • 61

    Chance Rain

    • 37
    • 51

    Mostly Cloudy

Today 21 Dec Central and Southeast Howard

Mostly sunny. Highs in the mid 40s. Northwest Winds 10 to 15 Mph with Gusts up to 30 Mph.

Tonight 21 Dec Central and Southeast Howard

Clear. Lows around 18. Northwest Winds 5 to 10 Mph.

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  • Temperature Real-Time

Patapsco Valley State Park Temperature Statistics

December Temperature

Baltimore, Inner Harbor (9.3 miles)

  • Lowest 15 December, 2025

    19 °F

  • Average December

    35.3 °F

  • Highest 19 December, 2025

    59 °F

Climate (2022–Present)

Baltimore, Inner Harbor (9.3 miles)

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  • Average Low 2022–2025

    54.3 °F

  • Average 2022–2025

    61.5 °F

  • Average High 2022–2025

    69.2 °F
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