Mattawa Weather Forecast

    • 31
    • 40

    Chance Rain/Snow

    • 37
    • 48

    Rain Likely

    • 38
    • 51

    Rain

    • 33
    • 52

    Chance Rain

    • 33
    • 51

    Partly Sunny

    • 35
    • 53

    Slight Chance Rain

    • 33
    • 54

    Partly Sunny

Today 21 Feb Moses Lake Area

Mostly cloudy. A chance of rain or snow in the afternoon. Highs in the upper 30s to upper 40s. East wind 5 to 15 Mph with Gusts up to 30 Mph. Chance of precipitation 20 percent.

Tonight 21 Feb Moses Lake Area

Mostly cloudy. Lows in the lower 30s. Northeast wind 5 to 15 Mph with Gusts up to 20 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

    38.9 °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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