Mattawa Weather Forecast

    • 35
    • 54

    Mostly Cloudy

    • 36
    • 56

    Decreasing Clouds

    • 37
    • 60

    Partly Sunny

    • 42
    • 59

    Chance Rain

    • 39
    • 58

    Chance Rain

    • 39
    • 55

    Mostly Cloudy

    • 42
    • 58

    Chance Rain

Today 28 Feb Moses Lake Area

Mostly sunny. Highs in the lower to mid 50s. Northeast wind 5 to 10 Mph.

Tonight 28 Feb Moses Lake Area

Mostly cloudy. Lows in the lower 30s. North wind 5 to 10 Mph.

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Mattawa Temperature Statistics

February Temperature

Sunnyside Municipal Airport (28.6 miles)

  • Lowest 18 February, 2026

    23.9 °F

  • Average February

    38.7 °F

  • Highest 1 February, 2026

    56.5 °F

Climate (2021–Present)

Sunnyside Municipal Airport (28.6 miles)

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  • Average Low 2021–2026

    39 °F

  • Average 2021–2026

    51.5 °F

  • Average High 2021–2026

    63.6 °F
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