Fort Simcoe State Park Weather Forecast

    • 52
    • 86

    Mostly Sunny

    • 55
    • 87

    Mostly Sunny

    • 56
    • 88

    Mostly Sunny

    • 60
    • 93

    Sunny

    • 49
    • 81

    Sunny

    • 51
    • 79

    Sunny

    • 58
    • 83

    Mostly Sunny

Today 28 Jul Yakima Valley

Sunny. Highs in the mid 80s to lower 90s. West wind 5 to 15 Mph with Gusts to around 25 Mph.

Tonight 28 Jul Yakima Valley

Clear. Lows in the lower to mid 50s. Northwest wind 5 to 15 Mph with Gusts to around 25 Mph.

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Fort Simcoe State Park Temperature Statistics

July Temperature

Yakima Air Terminal - McAllister Field (20.5 miles)

  • Lowest 2 July, 2026

    47.6 °F

  • Average July

    74.9 °F

  • Highest 22 July, 2026

    102.7 °F

Climate (2021–2026)

Yakima Air Terminal - McAllister Field (20.5 miles)

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  • Average Low 2021–2026

    39.5 °F

  • Average 2021–2026

    52.8 °F

  • Average High 2021–2026

    65.3 °F
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