Ann Lake Weather Forecast

    • 41
    • 65

    Increasing Clouds

    • 36
    • 55

    Partly Sunny

    • 35
    • 53

    Partly Sunny

    • 37
    • 50

    Rain/Snow Likely

    • 32
    • 43

    Rain/Snow Likely

    • 32
    • 45

    Mostly Cloudy

Today 21 Sep Western Chelan County

Sunny in the Morning, becoming partly cloudy. Highs in the mid 70s to mid 80s.

Tonight 21 Sep Western Chelan County

Mostly cloudy. Lows in the upper 40s to upper 50s.

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Ann Lake Temperature Statistics

September Temperature

Omak Airport (56.5 miles)

  • Lowest 14 September, 2026

    44.7 °F

  • Average September

    63.9 °F

  • Highest 10 September, 2026

    85.6 °F

Climate (2021–2026)

Omak Airport (56.5 miles)

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  • Average Low 2021–2026

    40.7 °F

  • Average 2021–2026

    51.8 °F

  • Average High 2021–2026

    62.9 °F
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