Mason Neck Weather Forecast

    • 70
    • 89

    Increasing Clouds

    • 70
    • 93

    Rain Showers

    • 70
    • 88

    Rain Showers Likely

    • 70
    • 87

    Slight Chance Rain Showers

    • 70
    • 91

    Partly Sunny

    • 74
    • 97

    Hot

Today 25 Jun Fairfax

Mostly sunny. Highs in the upper 80s. South Winds 5 to 10 Mph.

Tonight 25 Jun Fairfax

Mostly clear in the Evening, then becoming mostly cloudy. Lows in the upper 60s. South Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mason Neck Temperature Statistics

June Temperature

Fort Belvoir (3.7 miles)

  • Lowest 3 June, 2026

    49.5 °F

  • Average June

    75.4 °F

  • Highest 12 June, 2026

    98.2 °F

Climate (2021–2026)

Fort Belvoir (3.7 miles)

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  • Average Low 2021–2026

    47.7 °F

  • Average 2021–2026

    58.1 °F

  • Average High 2021–2026

    68.3 °F
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