Buffalo Lake Weather Forecast

    • 51
    • 71

    Rain

    • 45
    • 55

    Rain

    • 43
    • 61

    Mostly Cloudy

    • 47
    • 65

    Partly Sunny

    • 48
    • 68

    Mostly Sunny

    • 50
    • 71

    Mostly Sunny

Today 12 Sep Upper Columbia Basin

Mostly cloudy. Highs in the mid 70s to lower 80s. Northeast wind 5 to 15 Mph with Gusts up to 30 Mph.

Tonight 12 Sep Upper Columbia Basin

A chance of rain in the Evening, then rain and a chance of Thunderstorms overnight. Lows in the upper 40s to mid 50s. North wind 5 to 15 Mph with Gusts up to 30 Mph. Chance of precipitation near 100 percent. Rainfall Amounts up to a half inch Possible, except higher Amounts possible in Thunderstorms.

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Buffalo Lake Temperature Statistics

September Temperature

Omak Airport (39.8 miles)

  • Lowest 6 September, 2026

    46.7 °F

  • Average September

    64.2 °F

  • Highest 1 September, 2026

    83.6 °F

Climate (2021–2026)

Omak Airport (39.8 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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