Seattle CBD Weather Forecast
- 54
- 72
Sunny
- 54
- 73
Sunny
- 54
- 72
Partly Sunny
- 54
- 70
Partly Sunny
- 54
- 70
Partly Sunny
- 54
- 69
Mostly Cloudy
Today 16 Sep City of Seattle
Sunny. Highs in the upper 60s to mid 70s. Northeast wind around 10 Mph becoming north in the afternoon.
Tonight 16 Sep City of Seattle
Clear. Lows in the lower to mid 50s. North wind 10 to 15 Mph becoming northeast after midnight.
Seattle CBD Temperature Statistics
September Temperature
Boeing Field - King County International Airport (4.3 miles)
Lowest 5 September, 2026
53.1 °FAverage September
62.4 °FHighest 9 September, 2026
78.1 °F
Climate (2021–2026)
Boeing Field - King County International Airport (4.3 miles)
Average Low 2021–2026
47.2 °FAverage 2021–2026
54.2 °FAverage High 2021–2026
61.6 °F