Great Mills Weather Forecast

    • 36
    • 59

    Becoming Sunny

    • 44
    • 58

    Mostly Sunny

    • 57
    • 67

    Slight Chance Rain Showers

    • 59
    • 75

    Chance Rain Showers

    • 58
    • 72

    Chance Rain Showers

    • 44
    • 73

    Chance Thunderstorms

Today 26 Mar St. Marys

Sunny. Highs in the upper 50s. Northwest Winds 15 to 20 Mph with Gusts up to 30 Mph.

Tonight 26 Mar St. Marys

Mostly clear. Lows in the mid 30s. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph, Diminishing to around 5 Mph after midnight.

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Great Mills Temperature Statistics

March Temperature

Patuxent River, Naval Air Station (5 miles)

  • Lowest 3 March, 2025

    22.7 °F

  • Average March

    50.7 °F

  • Highest 20 March, 2025

    73 °F

Climate (2020–Present)

Patuxent River, Naval Air Station (5 miles)

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  • Average Low 2020–2025

    52.8 °F

  • Average 2020–2025

    61.1 °F

  • Average High 2020–2025

    69.2 °F
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