Harmans Weather Forecast

    • 49
    • 72

    Becoming Sunny

    • 55
    • 75

    Mostly Sunny

    • 55
    • 78

    Partly Sunny

    • 55
    • 75

    Slight Chance Thunderstorms

    • 56
    • 76

    Mostly Sunny

    • 61
    • 81

    Mostly Sunny

Today 30 May Anne Arundel

Mostly sunny. Highs in the lower 70s. North Winds around 15 Mph with Gusts up to 30 Mph.

Tonight 30 May Anne Arundel

Mostly clear. Lows in the lower 50s. North Winds 10 to 15 Mph with Gusts up to 25 Mph, Diminishing to around 5 Mph after midnight.

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Harmans Temperature Statistics

May Temperature

Baltimore, Baltimore-Washington International Airport (1.2 miles)

  • Lowest 1 May, 2026

    37.7 °F

  • Average May

    64.5 °F

  • Highest 19 May, 2026

    97.6 °F

Climate (2021–Present)

Baltimore, Baltimore-Washington International Airport (1.2 miles)

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  • Average Low 2021–2026

    48.7 °F

  • Average 2021–2026

    58.6 °F

  • Average High 2021–2026

    68.4 °F
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