Chesapeake Bay - James River Entrance Weather Forecast

    • 77
    • 86

    Thunderstorms Likely

    • 79
    • 86

    Thunderstorms Likely

    • 80
    • 90

    Chance Thunderstorms

    • 77
    • 83

    Slight Chance Thunderstorms

    • 77
    • 82

    Mostly Sunny

    • 77
    • 83

    Mostly Sunny

Today 18 Jul Norfolk/Portsmouth

Partly sunny. Showers and Thunderstorms likely this afternoon. Some Thunderstorms may produce heavy rainfall this afternoon. Highs around 90. Northwest Winds around 5 Mph, becoming northeast this afternoon. Chance of rain 70 percent. Heat index Values up to 102.

Tonight 18 Jul Norfolk/Portsmouth

Mostly cloudy with a chance of Showers. A chance of Thunderstorms, mainly in the evening. Some Thunderstorms may produce heavy rainfall in the evening. Some Thunderstorms may produce heavy rainfall after midnight. Humid with Lows in the mid 70s. East Winds 5 to 10 Mph, becoming southwest after midnight. Chance of rain 50 percent.

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Chesapeake Bay - James River Entrance Temperature Statistics

July Temperature

Norfolk, Naval Air Station (3.7 miles)

  • Lowest 5 July, 2025

    67.6 °F

  • Average July

    81.4 °F

  • Highest 8 July, 2025

    96.7 °F

Climate (2020–Present)

Norfolk, Naval Air Station (3.7 miles)

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  • Average Low 2020–2025

    55.5 °F

  • Average 2020–2025

    63.2 °F

  • Average High 2020–2025

    71.2 °F
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