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      Elev 139 ft, 47.446 °N 122.276 °W

      SeaTac, WA

      Wed, Oct 21, 2026
      Today
      Thu 10/22
      High 65°f
      15% Precip. / 0 in
      Cloudy skies early, followed by partial clearing. Warm. High around 65F. Winds light and variable.
      Tonight
      Thu 10/22
      Low 44°f
      7% Precip. / 0 in
      Some clouds. Low 44F. Winds light and variable.
      Sunrise 7:36 AM
      Sunset 6:10 PM
      Moonrise 4:15 PM
      Moonset 2:17 AM
      Waxing Gibbous, 80% visible
      Hourly Forecast
      Now
      47°
      10AM
      48°
      11AM
      52°
      12PM
      55°
      1PM
      58°
      2PM
      60°
      3PM
      62°
      4PM
      63°
      5PM
      63°
      6PM
      60°
      6:10PM
      Sunset
      7PM
      57°
      8PM
      55°
      9PM
      55°
      10PM
      53°
      11PM
      52°
      12AM
      51°
      1AM
      50°
      2AM
      49°
      3AM
      48°
      4AM
      48°
      5AM
      47°
      6AM
      46°
      7AM
      46°
      7:38AM
      Sunrise
      8AM
      45°
      9AM
      47°
      Time Conditions Temp. Feels Like Precip Amount Cloud Cover Dew Point Humidity Wind Pressure
      10:00 am
      Cloudy
      48°F 47°F 15% 0in 93% 46°F 90% 3 mph NNW 29.96in
      11:00 am
      Cloudy
      52°F 51°F 15% 0in 86% 46°F 81% 4 mph N 29.96in
      12:00 pm
      Partly Cloudy
      55°F 55°F 1% 0in 59% 46°F 73% 3 mph NNW 29.95in
      1:00 pm
      Sunny
      58°F 58°F 0% 0in 5% 46°F 64% 3 mph W 29.93in
      2:00 pm
      Sunny
      60°F 60°F 0% 0in 6% 45°F 58% 3 mph W 29.91in
      3:00 pm
      Sunny
      62°F 62°F 0% 0in 9% 44°F 52% 3 mph WSW 29.89in
      4:00 pm
      Mostly Sunny
      63°F 63°F 0% 0in 20% 44°F 50% 3 mph W 29.87in
      5:00 pm
      Partly Cloudy
      63°F 63°F 0% 0in 37% 45°F 51% 4 mph WNW 29.87in
      6:00 pm
      Partly Cloudy
      60°F 60°F 0% 0in 47% 44°F 57% 4 mph NNW 29.87in
      7:00 pm
      Partly Cloudy
      57°F 57°F 1% 0in 49% 44°F 63% 4 mph N 29.88in
      8:00 pm
      Partly Cloudy
      55°F 55°F 2% 0in 47% 44°F 66% 5 mph N 29.89in
      9:00 pm
      Partly Cloudy
      55°F 53°F 3% 0in 49% 44°F 66% 6 mph NNE 29.9in
      10:00 pm
      Partly Cloudy
      53°F 52°F 4% 0in 40% 44°F 69% 6 mph NNE 29.9in
      11:00 pm
      Partly Cloudy
      52°F 50°F 5% 0in 40% 44°F 72% 6 mph NNE 29.9in
      Additional Conditions
      1. Pressure 29.95 in
      2. Visibility 0.25 miles
      3. Clouds Cloudy
      4. Dew Point45°F
      5. Humidity 94%
      6. Rainfall 0 in
      7. Snow Depth 0 in
      KSEA Station History
      Almanac for October 21, 2026
      1. Forecast Average Record
      2. Temperature
      3. High 65°F 59°F 72°F 1965
      4. Low 41°F 46°F 32°F 1949
      5. Rain/Snow Depth
      6. Precipitation 0 in 3.9 in -
      7. Snow 0 in 0 in -
      Almanac for October 22, 2026
      1. Forecast Average Record
      2. Temperature
      3. High 57°F 58°F 70°F
      4. Low 44°F 46°F 34°F
      Astronomy
      1. Sun Rise Set
      2. Actual Time 7:36 AM 6:10 PM
      3. Civil Twilight 7:05 AM 6:41 PM
      4. Nautical Twilight 6:29 AM 7:16PM
      5. Astronomical Twilight 5:54 AM 7:52 PM
      1. Length of Visible Light 11h 35m
      2. Length of Day 10h 33m
      3. Tomorrow will be 3 minutes 13 seconds shorter
      1. Moon 4:15 PM 2:17 AM
      2. Waxing Gibbous80% of the Moon is Illuminated
      Oct 25
      Full Moon
      Nov 1
      Waning Half Last Qtr
      Nov 8
      New Moon
      Nov 17
      Waxing Half First Qtr
      Nearby Weather Stations
      Station Location
      Temp
      Windchill
      Heat Index
      Dew Point
      Humidity
      Wind
      Precip.
      Elev.
      Updated
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      Level Access
      Glossary