Mattawa Weather Forecast

    • 40
    • 64

    Chance Rain

    • 34
    • 58

    Partly Sunny

    • 33
    • 56

    Mostly Sunny

    • 39
    • 60

    Partly Sunny

    • 41
    • 64

    Partly Sunny

    • 45
    • 68

    Mostly Cloudy

Today 24 Mar Moses Lake Area

A chance of rain in the Morning, then rain in the afternoon. Highs in the mid 50s to lower 60s. Windy. South wind 15 to 25 Mph. Gusts up to 30 Mph increasing to 40 Mph in the afternoon. Chance of precipitation near 100 percent. Rainfall Amounts less than a quarter of an inch.

Tonight 24 Mar Moses Lake Area

Mostly cloudy. A chance of rain. Lows in the upper 30s to lower 40s. Windy. Southwest wind 15 to 25 Mph. Gusts up to 40 Mph decreasing to 30 Mph overnight. Chance of precipitation 50 percent. Rainfall Amounts less than a quarter of an inch.

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Mattawa Temperature Statistics

March Temperature

Sunnyside Municipal Airport (28.6 miles)

  • Lowest 10 March, 2026

    22.8 °F

  • Average March

    45.3 °F

  • Highest 7 March, 2026

    71.4 °F

Climate (2021–Present)

Sunnyside Municipal Airport (28.6 miles)

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  • Average Low 2021–2026

    39.1 °F

  • Average 2021–2026

    51.5 °F

  • Average High 2021–2026

    63.6 °F
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