Dahlgren Weather Forecast

    • 67
    • 84

    Chance Thunderstorms

    • 67
    • 90

    Partly Sunny

    • 64
    • 92

    Partly Sunny

    • 69
    • 91

    Mostly Sunny

    • 68
    • 94

    Slight Chance Thunderstorms

    • 69
    • 93

    Chance Rain Showers

Today 11 Sep Hamilton

Partly sunny with a slight chance of Showers and Thunderstorms. Near steady temperature in the mid 80s. Southeast Winds around 5 Mph. Chance of rain 20 percent.

Tonight 11 Sep Hamilton

Mostly cloudy with a chance of Showers and Thunderstorms. Lows in the upper 60s. Southeast Winds around 5 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Dahlgren Temperature Statistics

September Temperature

Mount Vernon Airport (12.4 miles)

  • Lowest 8 September, 2026

    55 °F

  • Average September

    81.5 °F

  • Highest 2 September, 2026

    100.9 °F

Climate (2021–2026)

Mount Vernon Airport (12.4 miles)

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  • Average Low 2021–2026

    46.8 °F

  • Average 2021–2026

    58.1 °F

  • Average High 2021–2026

    69.2 °F
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