Mann Creek State Park Weather Forecast

    • 64
    • 88

    Sunny

    • 66
    • 92

    Sunny

    • 66
    • 92

    Mostly Sunny

    • 65
    • 91

    Partly Sunny

    • 67
    • 90

    Mostly Sunny

    • 69
    • 95

    Mostly Sunny

Today 23 Jul Lower Treasure Valley

Sunny. Highs 88 to 93. Northwest Winds up to 10 Mph with Gusts to 20 Mph.

Tonight 23 Jul Lower Treasure Valley

Clear. Lows 60 to 65. North Winds up to 10 Mph.

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Mann Creek State Park Temperature Statistics

July Temperature

Ontario Municipal Airport (26.7 miles)

  • Lowest 5 July, 2025

    50.6 °F

  • Average July

    79.8 °F

  • Highest 1 July, 2025

    104.6 °F

Climate (2020–Present)

Ontario Municipal Airport (26.7 miles)

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  • Average Low 2020–2025

    42.5 °F

  • Average 2020–2025

    54.6 °F

  • Average High 2020–2025

    67.1 °F
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