Areas of Dangerous Heat and Heavy Rainfall Today
Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley today. Heat Advisories remain in effect. Heavy to excessive rainfall today could bring areas of flooding to parts of the northern High Plains and Midwest into the Ohio Valley. Flood Watches remain in effect. Read More >
Current conditions at
Seattle, Seattle-Tacoma International Airport (KSEA)
Lat: 47.44472°NLon: 122.31361°WElev: 427.0ft.
Clear
68°F
20°C
| Humidity | 60% |
| Wind Speed | NW 5 MPH |
| Barometer | 30.06 in (1017.95 mb) |
| Dewpoint | 54°F (12°C) |
| Visibility | 10.00 mi |
| Last update | 20 Sep 03:00 PM PDT |
Extended Forecast for
Seattle-Tacoma International Airport WA
Tonight
Low: 52 °F
Mostly Clear
Monday
High: 71 °F
Partly Sunny
Monday Night
Low: 54 °F
Increasing
CloudsTuesday
High: 69 °F
Decreasing
CloudsTuesday Night
Low: 52 °F
Partly Cloudy
Wednesday
High: 66 °F
Partly Sunny
Wednesday Night
Low: 51 °F
Mostly Cloudy
Thursday
High: 62 °F
Chance Rain
Thursday Night
Low: 51 °F
Rain Likely
Detailed Forecast
Tonight
Mostly clear, with a low around 52. North northwest wind around 5 mph becoming calm in the evening.
Monday
Partly sunny, with a high near 71. Light and variable wind.
Monday Night
Increasing clouds, with a low around 54. Calm wind.
Tuesday
Cloudy, then gradually becoming mostly sunny, with a high near 69. Calm wind becoming south southwest around 5 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 52. Light and variable wind becoming south around 6 mph after midnight.
Wednesday
Partly sunny, with a high near 66.
Wednesday Night
Mostly cloudy, with a low around 51.
Thursday
A chance of rain, mainly after 11am. Mostly cloudy, with a high near 62.
Thursday Night
Rain likely. Cloudy, with a low around 51.
Friday
A chance of rain. Mostly cloudy, with a high near 62.
Friday Night
A slight chance of rain. Mostly cloudy, with a low around 48.
Saturday
Partly sunny, with a high near 63.
Saturday Night
Partly cloudy, with a low around 48.
Sunday
Partly sunny, with a high near 64.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
Seattle-Tacoma International Airport WA
47.44°N 122.3°W (Elev. 358 ft)
47.44°N 122.3°W (Elev. 358 ft)
1:05 pm PDT Sep 20, 2026
3pm PDT Sep 20, 2026-6pm PDT Sep 27, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
