Grand Coulee Dam Airport Weather Forecast

    • 31
    • 53

    Sunny

    • 33
    • 56

    Sunny

    • 35
    • 58

    Sunny

    • 36
    • 58

    Mostly Sunny

    • 40
    • 57

    Mostly Cloudy

    • 38
    • 54

    Chance Rain

Today 18 Mar Upper Columbia Basin

Sunny. Highs in the lower to mid 50s. Northeast wind 5 to 15 Mph.

Tonight 18 Mar Upper Columbia Basin

Clear. Lows in the lower 30s. Northeast wind 5 to 15 Mph.

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Grand Coulee Dam Airport Temperature Statistics

March Temperature

Omak, Omak Airport (42.3 miles)

  • Lowest 9 March, 2019

    8.1 °F
  • Average March

    27.2 °F
  • Highest 13 March, 2019

    46.9 °F

Climate (2010–Present)

Omak, Omak Airport (42.3 miles)

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  • Average Low 2010–Present

    39.3 °F
  • Average 2010–Present

    49.4 °F
  • Average High 2010–Present

    59.3 °F
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