Oak Grove Weather Forecast

    • 64
    • 83

    Decreasing Clouds

    • 67
    • 86

    Chance Thunderstorms

    • 70
    • 89

    Chance Thunderstorms

    • 68
    • 88

    Rain Showers Likely

    • 67
    • 86

    Slight Chance Thunderstorms

    • 67
    • 87

    Partly Sunny

Today 25 Jul Eastern Loudoun

Partly sunny. Highs in the lower 80s. East Winds around 5 Mph.

Tonight 25 Jul Eastern Loudoun

Partly cloudy. Lows in the lower 60s. Southeast Winds around 5 Mph in the Evening, becoming light and variable.

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Oak Grove Temperature Statistics

July Temperature

Washington/Dulles International Airport, DC (3.7 miles)

  • Lowest 13 July, 2026

    62.7 °F

  • Average July

    81 °F

  • Highest 4 July, 2026

    99.6 °F

Climate (2021–2026)

Washington/Dulles International Airport, DC (3.7 miles)

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  • Average Low 2021–2026

    47.6 °F

  • Average 2021–2026

    58.3 °F

  • Average High 2021–2026

    68.6 °F
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