Occoquan Regional Park Weather Forecast

    • 69
    • 95

    Chance Thunderstorms

    • 64
    • 86

    Partly Sunny

    • 63
    • 85

    Mostly Sunny

    • 66
    • 87

    Chance Rain Showers

    • 64
    • 87

    Rain Showers

    • 63
    • 85

    Slight Chance Thunderstorms

Today 18 Jun Fairfax

Partly sunny. A slight chance of Showers in the Morning, then a chance of Showers and Thunderstorms in the afternoon. Highs in the mid 90s. Southwest Winds 15 to 20 Mph with Gusts up to 35 Mph. Chance of rain 50 percent.

Tonight 18 Jun Fairfax

Mostly cloudy. A slight chance of Showers and Thunderstorms in the Evening, then a slight chance of Showers after midnight. Lows in the upper 60s. West Winds 15 to 20 Mph with Gusts up to 30 Mph, Diminishing to around 5 Mph after midnight. Chance of rain 20 percent.

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Occoquan Regional Park Temperature Statistics

June Temperature

Fort Belvoir (4.3 miles)

  • Lowest 3 June, 2026

    49.5 °F

  • Average June

    75.2 °F

  • Highest 12 June, 2026

    98.2 °F

Climate (2021–2026)

Fort Belvoir (4.3 miles)

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  • Average Low 2021–2026

    47.7 °F

  • Average 2021–2026

    58 °F

  • Average High 2021–2026

    68.3 °F
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