Fir Mountain Weather Forecast

    • 47
    • 63

    Decreasing Clouds

    • 51
    • 69

    Mostly Sunny

    • 52
    • 73

    Mostly Sunny

    • 52
    • 74

    Mostly Sunny

    • 54
    • 75

    Partly Sunny

    • 51
    • 73

    Partly Sunny

Today 15 Sep Okanogan Highlands

Partly cloudy with a 20 percent chance of rain Showers. Highs in the upper 60s to mid 70s.

Tonight 15 Sep Okanogan Highlands

Mostly clear. Lows in the mid 40s to mid 50s.

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  • Temperature Real-Time

Fir Mountain Temperature Statistics

September Temperature

Omak Airport (29.8 miles)

  • Lowest 12 September, 2025

    55 °F

  • Average September

    76.1 °F

  • Highest 3 September, 2025

    104 °F

Climate (2020–Present)

Omak Airport (29.8 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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