Catharpin Park Weather Forecast

    • 63
    • 83

    Partly Sunny

    • 62
    • 85

    Becoming Sunny

    • 66
    • 88

    Sunny

    • 73
    • 96

    Mostly Sunny

    • 71
    • 94

    Partly Sunny

    • 70
    • 92

    Slight Chance Thunderstorms

    • 68
    • 91

    Chance Thunderstorms

Today 12 Jul Northwest Prince William

Showers likely with a chance of Thunderstorms. Highs in the lower 80s. Southeast Winds 5 to 10 Mph. Chance of rain 70 percent.

Tonight 12 Jul Northwest Prince William

Mostly cloudy with scattered Showers with isolated Thunderstorms this Evening, then partly cloudy after midnight. Lows in the lower 60s. Southeast Winds around 5 Mph. Chance of rain 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Catharpin Park Temperature Statistics

July Temperature

Washington/Dulles International Airport, DC (8.1 miles)

  • Lowest 10 July, 2026

    69.1 °F

  • Average July

    82.5 °F

  • Highest 4 July, 2026

    99.6 °F

Climate (2021–2026)

Washington/Dulles International Airport, DC (8.1 miles)

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  • Average Low 2021–2026

    47.6 °F

  • Average 2021–2026

    58.3 °F

  • Average High 2021–2026

    68.6 °F
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