Seattle Weather Forecast

    • 60
    • 77

    Mostly Cloudy

    • 59
    • 77

    Mostly Cloudy

    • 56
    • 76

    Mostly Sunny

    • 58
    • 77

    Mostly Sunny

    • 60
    • 81

    Sunny

    • 59
    • 82

    Mostly Sunny

Today 18 Aug City of Seattle

Mostly cloudy in the morning then becoming mostly sunny. Highs in the 70s. Light wind becoming south around 10 Mph in the afternoon.

Tonight 18 Aug City of Seattle

Mostly cloudy. Lows near 60. Southwest wind to 10 Mph in the evening becoming light.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Seattle Temperature Statistics

August Temperature

Boeing Field - King County International Airport (3.7 miles)

  • Lowest 8 August, 2025

    56.6 °F

  • Average August

    69.9 °F

  • Highest 12 August, 2025

    91.7 °F

Climate (2020–Present)

Boeing Field - King County International Airport (3.7 miles)

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

  • Average Low 2020–2025

    46.9 °F

  • Average 2020–2025

    54 °F

  • Average High 2020–2025

    61.4 °F
Get WillyWeather+ to remove ads