Brewster Weather Forecast

    • 51
    • 77

    Increasing Clouds

    • 43
    • 70

    Partly Sunny

    • 41
    • 59

    Rain Showers Likely

    • 38
    • 60

    Mostly Sunny

    • 39
    • 62

    Mostly Sunny

    • 41
    • 61

    Partly Sunny

    • 41
    • 64

    Mostly Sunny

Today 8 Oct Okanogan Valley

Mostly sunny. Highs in the 70s.

Tonight 8 Oct Okanogan Valley

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

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  • Temperature Real-Time

Brewster Temperature Statistics

October Temperature

Omak Airport (27.3 miles)

  • Lowest 5 October, 2026

    45 °F

  • Average October

    60.5 °F

  • Highest 4 October, 2026

    78.1 °F

Climate (2021–2026)

Omak Airport (27.3 miles)

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  • Average Low 2021–2026

    40.8 °F

  • Average 2021–2026

    51.8 °F

  • Average High 2021–2026

    62.9 °F
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