Oak Grove Weather Forecast

    • 9
    • 40

    Mostly Cloudy

    • 16
    • 20

    Snow

    • 17
    • 26

    Snow Likely

    • 1
    • 26

    Mostly Sunny

    • 6
    • 24

    Partly Sunny

Today 23 Jan Eastern Loudoun

Mostly cloudy. Highs in the lower 40s. Northwest Winds 10 to 15 Mph with Gusts up to 30 Mph.

Tonight 23 Jan Eastern Loudoun

Partly cloudy in the Evening, then clearing. Cold with Lows around 8 above. North Winds 15 to 20 Mph with Gusts up to 30 Mph. Wind chill Values as low as 7 below after midnight.

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Oak Grove Temperature Statistics

January Temperature

Washington/Dulles International Airport, DC (3.7 miles)

  • Lowest 21 January, 2026

    9 °F

  • Average January

    35.9 °F

  • Highest 7 January, 2026

    61 °F

Climate (2021–Present)

Washington/Dulles International Airport, DC (3.7 miles)

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  • Average Low 2021–2026

    47.6 °F

  • Average 2021–2026

    58.2 °F

  • Average High 2021–2026

    68.4 °F
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