Coulee Dam Weather Forecast

    • 37
    • 45

    Cloudy

    • 41
    • 44

    Chance Rain

    • 36
    • 48

    Rain Likely

    • 34
    • 47

    Partly Sunny

    • 33
    • 47

    Partly Sunny

    • 34
    • 47

    Partly Sunny

Today 6 Feb Upper Columbia Basin

Cloudy. Areas of dense fog. Highs in the lower 40s. Light Wind, becoming south 5 to 10 Mph in the afternoon.

Tonight 6 Feb Upper Columbia Basin

Cloudy. Areas of fog. Lows in the mid 30s. Light Wind, becoming southeast 5 to 10 Mph overnight.

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Coulee Dam Temperature Statistics

February Temperature

Omak Airport (42.3 miles)

  • Lowest 4 February, 2026

    35.1 °F

  • Average February

    39.2 °F

  • Highest 4 February, 2026

    44.1 °F

Climate (2021–Present)

Omak Airport (42.3 miles)

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  • Average Low 2021–2026

    40.8 °F

  • Average 2021–2026

    51.9 °F

  • Average High 2021–2026

    62.9 °F
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