Belle Haven Weather Forecast

    • 62
    • 81

    Increasing Clouds

    • 65
    • 86

    Increasing Clouds

    • 64
    • 83

    Mostly Cloudy

    • 62
    • 75

    Chance Rain Showers

    • 62
    • 76

    Chance Rain Showers

    • 64
    • 81

    Slight Chance Thunderstorms

    • 65
    • 85

    Partly Sunny

Today 13 Sep Fairfax

Sunny. Highs in the lower 80s. South Winds 5 to 10 Mph.

Tonight 13 Sep Fairfax

Mostly clear this Evening, then becoming partly cloudy. Lows in the lower 60s. South Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Belle Haven Temperature Statistics

September Temperature

Washington/Reagan National Airport, DC (4.3 miles)

  • Lowest 9 September, 2025

    55.9 °F

  • Average September

    70.6 °F

  • Highest 6 September, 2025

    91 °F

Climate (2020–Present)

Washington/Reagan National Airport, DC (4.3 miles)

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  • Average Low 2020–2025

    52.6 °F

  • Average 2020–2025

    60.4 °F

  • Average High 2020–2025

    69.2 °F
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