Lake Powell Weather Forecast

    • 74
    • 89

    Thunderstorms

    • 73
    • 83

    Chance Rain Showers

    • 74
    • 91

    Rain Showers

    • 74
    • 94

    Partly Sunny

    • 71
    • 90

    Chance Thunderstorms

    • 70
    • 88

    Chance Thunderstorms

    • 69
    • 87

    Slight Chance Thunderstorms

Today 7 Jul James City

Showers and Thunderstorms. Some Thunderstorms may produce heavy rainfall. Highs in the upper 80s. Northeast Winds around 5 Mph. Chance of rain 80 percent.

Tonight 7 Jul James City

Mostly cloudy. Showers and Thunderstorms, mainly in the evening. Some Thunderstorms may produce heavy rainfall in the evening. Humid with Lows in the mid 70s. East Winds around 5 Mph in the Evening, becoming light and variable. Chance of rain 80 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Powell Temperature Statistics

July Temperature

Williamsburg-Jamestown Airport (1.2 miles)

  • Lowest 1 July, 2026

    73.8 °F

  • Average July

    86.2 °F

  • Highest 3 July, 2026

    100.4 °F

Climate (2021–2026)

Williamsburg-Jamestown Airport (1.2 miles)

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  • Average Low 2021–2026

    53.8 °F

  • Average 2021–2026

    62.9 °F

  • Average High 2021–2026

    73.3 °F
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