Mattawa Weather Forecast

    • 60
    • 94

    Decreasing Clouds

    • 61
    • 89

    Mostly Sunny

    • 60
    • 86

    Slight Chance Rain Showers

    • 59
    • 89

    Mostly Sunny

    • 61
    • 91

    Sunny

    • 65
    • 95

    Sunny

    • 69
    • 101

    Hot

Today 2 Jul Moses Lake Area

Mostly cloudy in the Morning, then partly cloudy with a chance of Showers and Thunderstorms in the afternoon. Highs in the lower to mid 90s. Breezy. Southwest wind 10 to 20 Mph. Gusts up to 30 Mph in the afternoon. Chance of precipitation 20 percent.

Tonight 2 Jul Moses Lake Area

Mostly clear. Lows in the 50s. Windy. West wind 15 to 25 Mph with Gusts up to 35 Mph decreasing to 5 to 15 Mph with Gusts up to 25 Mph overnight.

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Mattawa Temperature Statistics

July 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

    39.3 °F

  • Average 2020–2025

    52 °F

  • Average High 2020–2025

    64.2 °F
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