Belmont Bay Weather Forecast

    • 78
    • 93

    Thunderstorms

    • 74
    • 89

    Thunderstorms Likely

    • 68
    • 86

    Partly Sunny

    • 62
    • 81

    Mostly Sunny

    • 62
    • 81

    Sunny

    • 65
    • 83

    Partly Sunny

Today 9 Aug Fairfax

Mostly sunny. Scattered Showers and Thunderstorms in the afternoon. Highs in the mid 90s. Southwest Winds 5 to 10 Mph. Chance of rain 40 percent.

Tonight 9 Aug Fairfax

Mostly cloudy in the Evening, then becoming partly cloudy. Scattered Showers. Scattered Thunderstorms, mainly in the evening. Lows in the mid 70s. Southwest Winds 5 to 10 Mph, becoming northwest after midnight. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Belmont Bay Temperature Statistics

August Temperature

Fort Belvoir (5 miles)

  • Lowest 3 August, 2022

    66.7 °F
  • Average August

    79.1 °F
  • Highest 4 August, 2022

    95 °F

Climate (2010–Present)

Fort Belvoir (5 miles)

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  • Average Low 2010–Present

    48.7 °F
  • Average 2010–Present

    58.4 °F
  • Average High 2010–Present

    68.6 °F
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