Mattawa Weather Forecast

    • 56
    • 85

    Increasing Clouds

    • 54
    • 87

    Partly Sunny

    • 55
    • 85

    Partly Sunny

    • 47
    • 75

    Mostly Cloudy

    • 48
    • 71

    Partly Sunny

    • 50
    • 72

    Mostly Sunny

Today 22 May Moses Lake Area

Sunny. Highs in the upper 70s to lower 80s. South wind 5 to 10 Mph.

Tonight 22 May Moses Lake Area

Partly cloudy. Lows in the lower to mid 50s. South wind 5 to 10 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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