Mattawa Weather Forecast

    • 46
    • 73

    Chance Rain Showers

    • 46
    • 73

    Mostly Sunny

    • 51
    • 78

    Mostly Sunny

    • 54
    • 81

    Partly Sunny

    • 57
    • 84

    Partly Sunny

    • 52
    • 83

    Partly Sunny

Today 29 May Moses Lake Area

Mostly cloudy in the Morning, becoming partly cloudy. A chance of rain Showers. A chance of Thunderstorms in the afternoon. Highs in the lower to mid 70s. Windy. Southwest wind 15 to 25 Mph with Gusts up to 35 Mph. Chance of precipitation 50 percent. Rainfall Amounts less than a tenth of an Inch, except higher Amounts possible in Thunderstorms.

Tonight 29 May Moses Lake Area

Mostly cloudy. Lows in the 40s. Windy. West wind 15 to 25 Mph with Gusts up to 35 Mph.

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Mattawa Temperature Statistics

May Temperature

Sunnyside Municipal Airport (28.6 miles)

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Climate (2021–Present)

Sunnyside Municipal Airport (28.6 miles)

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  • Average Low 2021–2026

    39.1 °F

  • Average 2021–2026

    51.4 °F

  • Average High 2021–2026

    63.4 °F
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