Dahlgren Weather Forecast

    • 57
    • 88

    Becoming Sunny

    • 59
    • 90

    Mostly Sunny

    • 64
    • 93

    Mostly Sunny

    • 66
    • 96

    Mostly Sunny

    • 66
    • 97

    Partly Sunny

    • 64
    • 95

    Partly Sunny

    • 61
    • 93

    Mostly Sunny

Today 10 Sep Hamilton

Mostly sunny. Near steady temperature in the upper 80s. Southwest Winds around 5 Mph.

Tonight 10 Sep Hamilton

Mostly clear. Lows in the upper 50s. Calm Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Dahlgren Temperature Statistics

September Temperature

Mount Vernon Airport (12.4 miles)

  • Lowest 8 September, 2025

    42.1 °F

  • Average September

    65.3 °F

  • Highest 3 September, 2025

    87.1 °F

Climate (2020–Present)

Mount Vernon Airport (12.4 miles)

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  • Average Low 2020–2025

    45.7 °F

  • Average 2020–2025

    56.7 °F

  • Average High 2020–2025

    67.8 °F
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