Seattle Weather Forecast
- 52
- 61
Rain
- 52
- 63
Mostly Cloudy
- 53
- 64
Mostly Cloudy
- 53
- 65
Partly Sunny
- 53
- 65
Partly Sunny
- 54
- 68
Partly Sunny
Today 29 Sep City of Seattle
Rain likely until late Afternoon, then rain at Times late in the afternoon. Rainfall Amounts less than a tenth of an inch likely. Highs near 60. South wind 10 to 20 Mph becoming southwest 10 to 15 Mph in the afternoon.
Tonight 29 Sep City of Seattle
Cloudy with a chance of rain in the Evening, then cloudy with a slight chance of rain late in the evening. Partly cloudy after midnight. Lows near 50. Light wind.
Seattle Temperature Statistics
September Temperature
Boeing Field - King County International Airport (3.7 miles)
Lowest 26 September, 2026
45 °FAverage September
61.1 °FHighest 9 September, 2026
78.1 °F
Climate (2021–2026)
Boeing Field - King County International Airport (3.7 miles)
Average Low 2021–2026
47.2 °FAverage 2021–2026
54.2 °FAverage High 2021–2026
61.6 °F