Seattle Weather Forecast

    • 57
    • 64

    Slight Chance Rain

    • 57
    • 69

    Chance Rain

    • 56
    • 66

    Chance Rain Showers

    • 54
    • 66

    Partly Sunny

    • 54
    • 65

    Mostly Sunny

    • 55
    • 68

    Mostly Sunny

Today 20 Sep Seattle and Vicinity

Mostly cloudy. Highs in the lower to mid 60s. South wind to 10 Mph becoming southwest in the afternoon.

Tonight 20 Sep Seattle and Vicinity

Mostly cloudy with a slight chance of rain. Lows in the 50s. South wind to 10 Mph increasing to 10 to 15 Mph with Gusts to 25 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Seattle Temperature Statistics

September Temperature

Seattle, Seattle Boeing Field (3.7 miles)

  • Lowest 17 September, 2018

    50 °F
  • Average September

    60.4 °F
  • Highest 9 September, 2018

    75.9 °F

Climate (2010–Present)

Seattle, Seattle Boeing Field (3.7 miles)

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  • Average Low 2010–Present

    48.4 °F
  • Average 2010–Present

    55.3 °F
  • Average High 2010–Present

    62.7 °F
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