Mattawa Weather Forecast

    • 51
    • 81

    Mostly Sunny

    • 56
    • 87

    Chance Rain Showers

    • 44
    • 69

    Chance Rain Showers

    • 46
    • 73

    Mostly Sunny

    • 50
    • 79

    Mostly Sunny

    • 55
    • 84

    Mostly Sunny

    • 54
    • 87

    Mostly Sunny

Today 1 May Moses Lake Area

Sunny. Highs in the mid to upper 70s. East wind 5 to 10 Mph.

Tonight 1 May Moses Lake Area

Mostly clear. Lows in the mid to upper 40s. East 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 (2020–Present)

Sunnyside Municipal Airport (28.6 miles)

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  • Average Low 2020–2025

    39.6 °F

  • Average 2020–2025

    52.3 °F

  • Average High 2020–2025

    64.6 °F
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