Mason Neck National Wildlife Refuge Weather Forecast

    • 76
    • 92

    Chance Thunderstorms

    • 77
    • 92

    Thunderstorms Likely

    • 77
    • 92

    Mostly Sunny

    • 78
    • 96

    Mostly Sunny

    • 77
    • 97

    Chance Rain Showers

    • 71
    • 90

    Rain Showers Likely

    • 66
    • 81

    Slight Chance Thunderstorms

Today 26 Jul Charles

Mostly sunny. Highs in the lower 90s. Southeast Winds around 5 Mph.

Tonight 26 Jul Charles

Partly cloudy with a slight chance of Showers and Thunderstorms this Evening, then mostly cloudy with a chance of Showers and Thunderstorms after midnight. Lows in the mid 70s. Southeast Winds around 5 Mph. Chance of rain 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mason Neck National Wildlife Refuge Temperature Statistics

July Temperature

Fort Belvoir (5.6 miles)

  • Lowest 5 July, 2025

    61.7 °F

  • Average July

    80.3 °F

  • Highest 8 July, 2025

    96.3 °F

Climate (2020–Present)

Fort Belvoir (5.6 miles)

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  • Average Low 2020–2025

    48 °F

  • Average 2020–2025

    58.1 °F

  • Average High 2020–2025

    68.4 °F
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