Harmans Weather Forecast

    • 37
    • 62

    Becoming Sunny

    • 39
    • 65

    Mostly Sunny

    • 41
    • 70

    Mostly Sunny

    • 39
    • 56

    Mostly Cloudy

    • 46
    • 62

    Partly Sunny

    • 52
    • 69

    Mostly Cloudy

    • 56
    • 71

    Chance Rain Showers

Today 9 Mar Anne Arundel

Sunny. Highs in the lower 60s. West Winds 10 to 15 Mph with Gusts up to 30 Mph.

Tonight 9 Mar Anne Arundel

Mostly clear. Lows in the upper 30s. Southwest Winds 5 to 10 Mph.

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  • Temperature Real-Time

Harmans Temperature Statistics

March Temperature

Baltimore, Baltimore-Washington International Airport (1.2 miles)

  • Lowest 2 March, 2025

    20.8 °F

  • Average March

    44 °F

  • Highest 1 March, 2025

    66.7 °F

Climate (2020–Present)

Baltimore, Baltimore-Washington International Airport (1.2 miles)

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  • Average Low 2020–2025

    49 °F

  • Average 2020–2025

    58.6 °F

  • Average High 2020–2025

    68.4 °F
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