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      Elev 139 ft, 47.446 °N 122.276 °W

      SeaTac, WA

      Mon, Oct 19, 2026
      Today
      Tue 10/20
      High 62°f
      3% Precip. / 0 in
      Partly cloudy. High 62F. Winds WSW at 5 to 10 mph.
      Tonight
      Tue 10/20
      Low 47°f
      8% Precip. / 0 in
      Some clouds. Low 47F. Winds NNE at 5 to 10 mph.
      Sunrise 7:33 AM
      Sunset 6:13 PM
      Moonrise 3:38 PM
      Moonset -
      Waxing Gibbous, 62% visible
      Hourly Forecast
      Now
      46°
      8AM
      46°
      9AM
      48°
      10AM
      51°
      11AM
      53°
      12PM
      55°
      1PM
      57°
      2PM
      59°
      3PM
      60°
      4PM
      60°
      5PM
      60°
      6PM
      57°
      6:13PM
      Sunset
      7PM
      55°
      8PM
      54°
      9PM
      53°
      10PM
      52°
      11PM
      51°
      12AM
      50°
      1AM
      49°
      2AM
      48°
      3AM
      48°
      4AM
      48°
      5AM
      48°
      6AM
      48°
      7AM
      49°
      Time Conditions Temp. Feels Like Precip Amount Cloud Cover Dew Point Humidity Wind Pressure
      8:00 am
      Partly Cloudy
      46°F 46°F 3% 0in 59% 44°F 91% 1 mph SE 29.97in
      9:00 am
      Partly Cloudy
      48°F 48°F 2% 0in 59% 44°F 85% 2 mph SSE 29.98in
      10:00 am
      Partly Cloudy
      51°F 51°F 1% 0in 49% 44°F 79% 2 mph S 29.99in
      11:00 am
      Mostly Sunny
      53°F 52°F 1% 0in 29% 45°F 73% 4 mph SSW 29.98in
      12:00 pm
      Mostly Sunny
      55°F 55°F 1% 0in 23% 45°F 67% 4 mph SW 29.98in
      1:00 pm
      Sunny
      57°F 57°F 0% 0in 19% 44°F 62% 5 mph WSW 29.98in
      2:00 pm
      Sunny
      59°F 59°F 0% 0in 10% 44°F 58% 5 mph W 29.97in
      3:00 pm
      Sunny
      60°F 60°F 0% 0in 16% 44°F 55% 5 mph WNW 29.96in
      4:00 pm
      Mostly Sunny
      60°F 60°F 0% 0in 28% 43°F 54% 6 mph NW 29.96in
      5:00 pm
      Partly Cloudy
      60°F 59°F 0% 0in 31% 43°F 55% 7 mph NNW 29.97in
      6:00 pm
      Partly Cloudy
      57°F 55°F 0% 0in 42% 44°F 61% 8 mph NNW 29.98in
      7:00 pm
      Partly Cloudy
      55°F 53°F 1% 0in 55% 43°F 64% 8 mph N 29.99in
      8:00 pm
      Partly Cloudy
      54°F 52°F 2% 0in 52% 43°F 66% 7 mph N 30.01in
      9:00 pm
      Partly Cloudy
      53°F 50°F 3% 0in 51% 43°F 70% 8 mph NNE 30.02in
      10:00 pm
      Partly Cloudy
      52°F 49°F 5% 0in 53% 44°F 76% 9 mph NNE 30.02in
      11:00 pm
      Partly Cloudy
      51°F 47°F 6% 0in 53% 45°F 79% 9 mph NNE 30.03in
      Additional Conditions
      1. Pressure 29.96 in
      2. Visibility 10 miles
      3. Clouds Mostly Cloudy
      4. Dew Point44°F
      5. Humidity 90%
      6. Rainfall 0 in
      7. Snow Depth 0 in
      KSEA Station History
      Almanac for October 19, 2026
      1. Forecast Average Record
      2. Temperature
      3. High 62°F 59°F 72°F 2014
      4. Low 46°F 46°F 28°F 1949
      5. Rain/Snow Depth
      6. Precipitation 0 in 3.8 in -
      7. Snow 0 in 0 in -
      Almanac for October 20, 2026
      1. Forecast Average Record
      2. Temperature
      3. High 62°F 59°F 69°F
      4. Low 47°F 46°F 29°F
      Astronomy
      1. Sun Rise Set
      2. Actual Time 7:33 AM 6:13 PM
      3. Civil Twilight 7:02 AM 6:44 PM
      4. Nautical Twilight 6:27 AM 7:20PM
      5. Astronomical Twilight 5:51 AM 7:55 PM
      1. Length of Visible Light 11h 42m
      2. Length of Day 10h 39m
      3. Tomorrow will be 3 minutes 16 seconds shorter
      1. Moon 3:38 PM -
      2. Waxing Gibbous62% 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