Mattawa Weather Forecast

    • 50
    • 78

    Increasing Clouds

    • 57
    • 82

    Partly Sunny

    • 59
    • 85

    Partly Sunny

    • 59
    • 87

    Mostly Sunny

    • 58
    • 89

    Sunny

    • 57
    • 89

    Mostly Sunny

Today 30 Apr Moses Lake Area

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

Tonight 30 Apr Moses Lake Area

Partly cloudy. Lows in the mid to upper 40s. East wind 5 to 10 Mph.

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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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