Mattawa Weather Forecast

    • 43
    • 69

    Becoming Sunny

    • 46
    • 72

    Mostly Sunny

    • 52
    • 74

    Mostly Cloudy

    • 46
    • 68

    Chance Rain

    • 42
    • 63

    Partly Sunny

    • 41
    • 64

    Partly Sunny

Today 8 Apr Moses Lake Area

Sunny. Highs in the 60s. Northeast wind 5 to 10 Mph shifting to the southwest in the afternoon.

Tonight 8 Apr Moses Lake Area

Mostly clear. Lows in the upper 30s to lower 40s. Northwest 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

    39.1 °F

  • Average 2021–2026

    51.6 °F

  • Average High 2021–2026

    63.6 °F
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