Mattawa Weather Forecast

    • 25
    • 36

    Patchy Fog

    • 23
    • 36

    Patchy Fog

    • 22
    • 35

    Mostly Cloudy

    • 26
    • 34

    Mostly Cloudy

    • 30
    • 39

    Partly Sunny

    • 26
    • 47

    Partly Sunny

Today 26 Jan Moses Lake Area

Cloudy. Highs in the lower to mid 30s. Northwest wind 5 to 10 Mph.

Tonight 26 Jan Moses Lake Area

Mostly cloudy. Patchy fog overnight. Lows 18 to 22. Northeast wind 5 to 10 Mph.

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Mattawa Temperature Statistics

January Temperature

Sunnyside Municipal Airport (28.6 miles)

  • Lowest 4 January, 2022

    5.4 °F

  • Average January

    29.4 °F

  • Highest 7 January, 2022

    46.6 °F

Climate (2015–Present)

Sunnyside Municipal Airport (28.6 miles)

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  • Average Low 2015–Present

    39.3 °F

  • Average 2015–Present

    52.1 °F

  • Average High 2015–Present

    64.2 °F
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