Rainbow Lake Weather Forecast

    • 49
    • 61

    Mostly Sunny

    • 48
    • 67

    Mostly Sunny

    • 50
    • 64

    Mostly Sunny

    • 47
    • 66

    Mostly Sunny

    • 46
    • 58

    Chance Rain Showers

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    • 49

    Chance Rain Showers

Today 16 Sep Western Chelan County

Sunny. Highs in the mid 70s to mid 80s. Southeast wind 5 to 15 Mph in the afternoon. Gusts up to 30 Mph.

Tonight 16 Sep Western Chelan County

Haze and Areas of smoke in the evening. Clear. Lows in the mid 50s to lower 60s. Gusts up to 25 Mph in the evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rainbow Lake Temperature Statistics

September Temperature

Omak Airport (55.9 miles)

  • Lowest 12 September, 2025

    55 °F

  • Average September

    76.1 °F

  • Highest 3 September, 2025

    104 °F

Climate (2020–Present)

Omak Airport (55.9 miles)

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  • Average Low 2020–2025

    40.7 °F

  • Average 2020–2025

    51.7 °F

  • Average High 2020–2025

    62.7 °F
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