Chesapeake Bay - Halfheads Folly Weather Forecast

    • 67
    • 76

    Becoming Sunny

    • 67
    • 80

    Mostly Sunny

    • 67
    • 76

    Partly Sunny

    • 66
    • 73

    Partly Sunny

    • 67
    • 75

    Partly Sunny

    • 69
    • 76

    Partly Sunny

Today 18 Sep St. Marys

Patchy fog this morning. Partly sunny. Highs in the upper 70s. Northwest Winds around 5 Mph.

Tonight 18 Sep St. Marys

Clear. Lows in the lower 60s. Southwest Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Chesapeake Bay - Halfheads Folly Temperature Statistics

September Temperature

Patuxent River, Naval Air Station (1.2 miles)

  • Lowest 1 September, 2025

    55.9 °F

  • Average September

    69.3 °F

  • Highest 6 September, 2025

    91 °F

Climate (2020–Present)

Patuxent River, Naval Air Station (1.2 miles)

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  • Average Low 2020–2025

    53 °F

  • Average 2020–2025

    61.3 °F

  • Average High 2020–2025

    69.5 °F
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