Colonial Beach Weather Forecast

    • 68
    • 80

    Increasing Clouds

    • 68
    • 80

    Mostly Cloudy

    • 71
    • 83

    Chance Rain Showers

    • 75
    • 84

    Chance Rain Showers

    • 74
    • 86

    Chance Thunderstorms

    • 73
    • 83

    Slight Chance Thunderstorms

Today 24 Jul Westmoreland

Mostly sunny. Highs in the lower 80s. Northeast Winds 5 to 10 Mph.

Tonight 24 Jul Westmoreland

Mostly cloudy. Lows in the upper 60s. East Winds around 5 Mph.

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Colonial Beach Temperature Statistics

July Temperature

St Marys County Airport (22.4 miles)

  • Lowest 13 July, 2026

    63.9 °F

  • Average July

    80.3 °F

  • Highest 3 July, 2026

    100 °F

Climate (2021–2026)

St Marys County Airport (22.4 miles)

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  • Average Low 2021–2026

    49.4 °F

  • Average 2021–2026

    58.1 °F

  • Average High 2021–2026

    66.9 °F
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