Mattawa Weather Forecast

    • 68
    • 99

    Hot

    • 60
    • 91

    Sunny

    • 61
    • 89

    Sunny

    • 63
    • 90

    Sunny

    • 61
    • 91

    Sunny

    • 63
    • 90

    Mostly Sunny

    • 64
    • 94

    Sunny

Today 24 Jul Moses Lake Area

Hot, Sunny, haze. Highs 96 to 100. Southwest wind 5 to 15 Mph with Gusts up to 25 Mph.

Tonight 24 Jul Moses Lake Area

Clear, haze. Areas of smoke overnight. Lows in the lower to mid 60s. West wind 5 to 15 Mph. Gusts up to 25 Mph in the evening.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Mattawa Temperature Statistics

July Temperature

Sunnyside Municipal Airport (28.6 miles)

  • Lowest 1 July, 2026

    44.6 °F

  • Average July

    74.3 °F

  • Highest 22 July, 2026

    101.5 °F

Climate (2021–2026)

Sunnyside Municipal Airport (28.6 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    38.8 °F

  • Average 2021–2026

    51 °F

  • Average High 2021–2026

    63 °F
Get WillyWeather+ to remove ads