Oak Grove Weather Forecast

    • 46
    • 71

    Chance Rain Showers

    • 41
    • 63

    Mostly Sunny

    • 39
    • 61

    Mostly Sunny

    • 39
    • 61

    Partly Sunny

    • 44
    • 60

    Chance Rain Showers

    • 45
    • 62

    Mostly Cloudy

Today 21 Oct Eastern Loudoun

Sunny in the Morning, then partly sunny with a slight chance of Showers in the afternoon. Highs in the lower 70s. South Winds 10 to 15 Mph. Chance of rain 20 percent.

Tonight 21 Oct Eastern Loudoun

Mostly cloudy in the Evening, then clearing. A 30 percent chance of Showers. Lows in the mid 40s. West Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Oak Grove Temperature Statistics

October Temperature

Washington/Dulles International Airport, DC (3.7 miles)

  • Lowest 17 October, 2025

    34 °F
  • Average October

    60.9 °F
  • Highest 6 October, 2025

    82.9 °F

Climate (2020–Present)

Washington/Dulles International Airport, DC (3.7 miles)

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  • Average Low 2020–2025

    47.9 °F
  • Average 2020–2025

    58.3 °F
  • Average High 2020–2025

    68.6 °F
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