Chesapeake Bay - Chesapeake Bay Basin Weather Forecast

    • 53
    • 74

    Rain Showers

    • 51
    • 59

    Rain Showers

    • 55
    • 65

    Slight Chance Rain Showers

    • 58
    • 69

    Chance Rain Showers

    • 60
    • 79

    Mostly Cloudy

    • 52
    • 71

    Rain Showers Likely

Today 6 May St. Marys

Mostly cloudy with a 50 percent chance of Showers. Highs in the upper 70s. Southwest Winds 10 to 15 Mph with Gusts up to 30 Mph.

Tonight 6 May St. Marys

A slight chance of Thunderstorms. Showers. Lows in the lower 50s. West Winds 5 to 10 Mph with Gusts up to 20 Mph, becoming north after midnight. Chance of rain near 100 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Chesapeake Bay - Chesapeake Bay Basin Temperature Statistics

May Temperature

Patuxent River, Naval Air Station (1.2 miles)

  • Lowest 1 May, 2026

    48.9 °F

  • Average May

    56.5 °F

  • Highest 4 May, 2026

    75.9 °F

Climate (2021–Present)

Patuxent River, Naval Air Station (1.2 miles)

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  • Average Low 2021–2026

    52.5 °F

  • Average 2021–2026

    61 °F

  • Average High 2021–2026

    69.2 °F
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