Fort Stevenson State Park Weather Forecast

    • 45
    • 64

    Increasing Clouds

    • 37
    • 62

    Chance Rain Showers

    • 33
    • 61

    Chance Rain Showers

    • 42
    • 65

    Mostly Sunny

    • 50
    • 77

    Mostly Sunny

    • 53
    • 81

    Partly Sunny

Today 29 Apr McLean

Mostly sunny. Highs in the lower 60s. South Winds 10 to 15 Mph, increasing to 15 to 25 Mph in the afternoon.

Tonight 29 Apr McLean

Mostly cloudy. A slight chance of Showers in the Evening, then a chance of Showers after midnight. Not as cool. Lows in the mid 40s. South Winds 15 to 25 Mph, becoming southwest 10 to 15 Mph after midnight. Gusts up to 40 Mph. Chance of rain 30 percent.

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Fort Stevenson State Park Temperature Statistics

April Temperature

Garrison (3.7 miles)

  • Lowest 19 April, 2025

    13.7 °F

  • Average April

    42.3 °F

  • Highest 11 April, 2025

    75.7 °F

Climate (2020–Present)

Garrison (3.7 miles)

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  • Average Low 2020–2025

    31.2 °F

  • Average 2020–2025

    42.6 °F

  • Average High 2020–2025

    54.1 °F
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