Mattawa Weather Forecast

    • 49
    • 73

    Mostly Sunny

    • 51
    • 78

    Mostly Sunny

    • 56
    • 81

    Partly Sunny

    • 58
    • 84

    Partly Sunny

    • 60
    • 87

    Mostly Sunny

    • 57
    • 90

    Mostly Sunny

Today 29 Apr Moses Lake Area

Sunny. Highs in the upper 60s to lower 70s. East wind 5 to 10 Mph in the Morning, becoming light and variable.

Tonight 29 Apr Moses Lake Area

Mostly clear. Lows in the 40s. Light Wind, becoming northeast 5 to 10 Mph overnight.

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Mattawa Temperature Statistics

April 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

    39.2 °F

  • Average 2021–2026

    51.5 °F

  • Average High 2021–2026

    63.6 °F
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