Great Mills Weather Forecast

    • 68
    • 76

    Chance Rain Showers

    • 73
    • 82

    Rain Showers Likely

    • 75
    • 89

    Chance Rain Showers

    • 71
    • 92

    Chance Thunderstorms

    • 67
    • 86

    Mostly Sunny

    • 71
    • 87

    Mostly Sunny

Today 16 Jun St. Marys

Patchy fog in the morning. Cloudy with a 50 percent chance of Showers. Highs in the mid 70s. Northeast Winds 5 to 10 Mph.

Tonight 16 Jun St. Marys

Mostly cloudy with a 40 percent chance of Showers. Lows in the upper 60s. East Winds 5 to 10 Mph.

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Great Mills Temperature Statistics

June Temperature

Patuxent River, Naval Air Station (5 miles)

  • Lowest 1 June, 2025

    54.6 °F

  • Average June

    75.9 °F

  • Highest 12 June, 2025

    93 °F

Climate (2020–Present)

Patuxent River, Naval Air Station (5 miles)

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  • Average Low 2020–2025

    53.1 °F

  • Average 2020–2025

    61.3 °F

  • Average High 2020–2025

    69.5 °F
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