Dahlgren Weather Forecast

    • 23
    • 46

    Decreasing Clouds

    • 13
    • 38

    Partly Sunny

    • 3
    • 19

    Mostly Cloudy

    • 9
    • 15

    Snow Showers Likely

    • 5
    • 20

    Partly Sunny

    • 6
    • 21

    Mostly Sunny

Today 21 Jan Hamilton

Mostly cloudy with a slight chance of freezing drizzle this Morning, then mostly sunny this afternoon. Highs in the mid 40s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 21 Jan Hamilton

Mostly clear. Lows in the lower 20s. Southwest Winds around 5 Mph, becoming northwest after midnight.

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Dahlgren Temperature Statistics

January Temperature

Mount Vernon Airport (12.4 miles)

  • Lowest 19 January, 2026

    6.1 °F

  • Average January

    35.9 °F

  • Highest 8 January, 2026

    66.9 °F

Climate (2021–Present)

Mount Vernon Airport (12.4 miles)

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  • Average Low 2021–2026

    46.2 °F

  • Average 2021–2026

    57.2 °F

  • Average High 2021–2026

    68.5 °F
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