Alta Lake State Park Weather Forecast

    • 68
    • 91

    Mostly Sunny

    • 65
    • 93

    Partly Sunny

    • 63
    • 86

    Mostly Sunny

    • 66
    • 86

    Mostly Cloudy

    • 64
    • 83

    Slight Chance Rain Showers

    • 64
    • 85

    Chance Rain Showers

Today 17 Jul Okanogan Valley

Sunny. Highs in the mid 80s to lower 90s. North wind 10 to 20 Mph decreasing to 5 to 15 Mph in the Afternoon, Gusts up to 40 Mph decreasing to 25 Mph in the afternoon.

Tonight 17 Jul Okanogan Valley

Mostly clear. Haze. Lows in the lower to mid 60s. Gusts up to 20 Mph in the evening.

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Alta Lake State Park Temperature Statistics

July Temperature

Omak Airport (35.4 miles)

  • Lowest 11 July, 2025

    52.6 °F

  • Average July

    77 °F

  • Highest 13 July, 2025

    102 °F

Climate (2020–Present)

Omak Airport (35.4 miles)

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  • Average Low 2020–2025

    40.6 °F

  • Average 2020–2025

    51.7 °F

  • Average High 2020–2025

    62.7 °F
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