Brewster Weather Forecast

    • 56
    • 84

    Increasing Clouds

    • 57
    • 83

    Partly Sunny

    • 52
    • 75

    Chance Rain Showers

    • 56
    • 77

    Partly Sunny

    • 57
    • 81

    Mostly Cloudy

    • 57
    • 81

    Mostly Cloudy

Today 27 Aug Okanogan Valley

Mostly cloudy in the Morning, becoming partly cloudy. Haze and Areas of smoke. Highs in the upper 70s to mid 80s. South wind 10 to 20 Mph with Gusts up to 35 Mph in the afternoon.

Tonight 27 Aug Okanogan Valley

Mostly clear in the Evening, becoming mostly cloudy. Areas of smoke. Haze overnight. Lows in the lower to mid 50s. West wind 5 to 15 Mph with Gusts up to 35 Mph in the Evening, becoming light and variable.

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Brewster Temperature Statistics

August Temperature

Omak Airport (27.3 miles)

  • Lowest 3 August, 2026

    50.6 °F

  • Average August

    74.9 °F

  • Highest 21 August, 2026

    99.6 °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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