Riverdale State Game Management Area Weather Forecast

    • 59
    • 79

    Rain Showers Likely

    • 56
    • 77

    Chance Thunderstorms

    • 60
    • 80

    Slight Chance Thunderstorms

    • 62
    • 87

    Chance Thunderstorms

    • 63
    • 90

    Slight Chance Thunderstorms

    • 62
    • 87

    Chance Thunderstorms

Today 22 Jul McLean

Decreasing Clouds. Showers likely and a slight chance of Thunderstorms. Highs in the lower 80s. Northwest Winds around 10 Mph, becoming northeast with Gusts up to 20 Mph in the afternoon. Chance of rain 70 percent.

Tonight 22 Jul McLean

Increasing Clouds. A chance of Thunderstorms in the evening. A chance of Showers. Lows around 60. Northeast Winds 5 to 10 Mph. Chance of rain 30 percent.

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Riverdale State Game Management Area Temperature Statistics

July Temperature

Garrison (12.4 miles)

  • Lowest 17 July, 2025

    43.6 °F

  • Average July

    68 °F

  • Highest 10 July, 2025

    97.6 °F

Climate (2020–Present)

Garrison (12.4 miles)

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  • Average Low 2020–2025

    31.1 °F

  • Average 2020–2025

    42.6 °F

  • Average High 2020–2025

    54.1 °F
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