Mann Creek State Park Weather Forecast

    • 63
    • 96

    Mostly Sunny

    • 62
    • 93

    Sunny

    • 65
    • 96

    Sunny

    • 66
    • 96

    Partly Sunny

    • 67
    • 96

    Partly Sunny

    • 67
    • 96

    Partly Sunny

Today 8 Jul Lower Treasure Valley

Sunny. Highs 95 to 100. Northwest Winds 10 to 15 Mph. Gusts to 30 Mph this afternoon.

Tonight 8 Jul Lower Treasure Valley

Mostly clear. Lows 62 to 67. Breezy. Northwest Winds 10 to 20 Mph. Gusts to 40 Mph in the Evening, decreasing to 30 Mph after midnight.

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Mann Creek State Park Temperature Statistics

July Temperature

Ontario Municipal Airport (26.7 miles)

  • Lowest 2 July, 2026

    53.7 °F

  • Average July

    75.7 °F

  • Highest 5 July, 2026

    99 °F

Climate (2021–2026)

Ontario Municipal Airport (26.7 miles)

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  • Average Low 2021–2026

    42.6 °F

  • Average 2021–2026

    54.6 °F

  • Average High 2021–2026

    67.1 °F
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