Mattawa Weather Forecast

    • 40
    • 61

    Increasing Clouds

    • 46
    • 68

    Mostly Cloudy

    • 51
    • 75

    Mostly Cloudy

    • 54
    • 81

    Partly Sunny

    • 53
    • 76

    Slight Chance Rain

    • 46
    • 70

    Mostly Cloudy

Today 17 Apr Moses Lake Area

Widespread frost in the morning. Sunny. Highs in the mid 50s to lower 60s. Southwest wind 5 to 10 Mph. Gusts up to 20 Mph in the afternoon.

Tonight 17 Apr Moses Lake Area

Partly cloudy. Lows in the mid to upper 30s. Southeast 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

    51.6 °F

  • Average High 2021–2026

    63.6 °F
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