Chesapeake Bay - Tar Bay Weather Forecast

    • 77
    • 86

    Chance Thunderstorms

    • 74
    • 82

    Rain Showers

    • 72
    • 80

    Rain Showers Likely

    • 74
    • 79

    Partly Sunny

    • 77
    • 82

    Chance Thunderstorms

    • 76
    • 85

    Chance Thunderstorms

Today 5 Jul Dorchester

Mostly sunny. A slight chance of Showers and Thunderstorms this afternoon. Hot with Highs in the mid 90s. South Winds 5 to 10 Mph. Chance of rain 20 percent. Heat index Values up to 105.

Tonight 5 Jul Dorchester

Partly cloudy with a chance of Showers and Thunderstorms in the Evening, then mostly cloudy with a slight chance of Showers and Thunderstorms after midnight. Humid with Lows in the mid 70s. Southeast Winds 5 to 10 Mph with Gusts up to 20 Mph, becoming east after midnight. Chance of rain 50 percent. Heat index Values up to 101 early in the evening.

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Chesapeake Bay - Tar Bay Temperature Statistics

July Temperature

Patuxent River, Naval Air Station (9.9 miles)

  • Lowest 1 July, 2026

    75 °F

  • Average July

    86.6 °F

  • Highest 3 July, 2026

    100 °F

Climate (2021–2026)

Patuxent River, Naval Air Station (9.9 miles)

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  • Average Low 2021–2026

    52.6 °F

  • Average 2021–2026

    61 °F

  • Average High 2021–2026

    69.2 °F
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