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      Elev 139 ft, 47.446 °N 122.276 °W

      SeaTac, WA

      Sun, Oct 18, 2026
      Today
      Mon 10/19
      High 59°f
      30% Precip. / 0 in
      Becoming partly cloudy after some morning drizzle. High 59F. Winds N at 5 to 10 mph.
      Tonight
      Mon 10/19
      Low 47°f
      7% Precip. / 0 in
      Cloudy. Low 47F. Winds NNE at 5 to 10 mph.
      Sunrise 7:32 AM
      Sunset 6:15 PM
      Moonrise 3:14 PM
      Moonset 11:56 PM
      First Quarter, 52% visible
      Hourly Forecast
      Now
      42°
      8AM
      42°
      9AM
      45°
      10AM
      47°
      11AM
      52°
      12PM
      54°
      1PM
      55°
      2PM
      57°
      3PM
      58°
      4PM
      58°
      5PM
      57°
      6PM
      55°
      6:15PM
      Sunset
      7PM
      53°
      8PM
      52°
      9PM
      52°
      10PM
      51°
      11PM
      51°
      12AM
      50°
      1AM
      50°
      2AM
      49°
      3AM
      49°
      4AM
      49°
      5AM
      49°
      6AM
      48°
      7AM
      48°
      Time Conditions Temp. Feels Like Precip Amount Cloud Cover Dew Point Humidity Wind Pressure
      8:00 am
      Mostly Cloudy
      42°F 39°F 15% 0in 78% 42°F 99% 5 mph NNE 30.18in
      9:00 am
      Mostly Cloudy
      45°F 42°F 15% 0in 78% 43°F 94% 5 mph NNE 30.18in
      10:00 am
      Partly Cloudy
      47°F 44°F 15% 0in 59% 43°F 87% 6 mph NNE 30.18in
      11:00 am
      Partly Cloudy
      52°F 49°F 1% 0in 30% 44°F 75% 8 mph NNE 30.16in
      12:00 pm
      Partly Cloudy
      54°F 51°F 1% 0in 40% 44°F 69% 9 mph N 30.13in
      1:00 pm
      Partly Cloudy
      55°F 53°F 0% 0in 47% 43°F 63% 10 mph N 30.1in
      2:00 pm
      Partly Cloudy
      57°F 55°F 0% 0in 39% 42°F 58% 10 mph N 30.08in
      3:00 pm
      Partly Cloudy
      58°F 56°F 0% 0in 41% 42°F 55% 9 mph N 30.05in
      4:00 pm
      Partly Cloudy
      58°F 56°F 0% 0in 46% 41°F 54% 10 mph NNW 30.03in
      5:00 pm
      Mostly Cloudy
      57°F 55°F 0% 0in 61% 41°F 55% 9 mph N 30.01in
      6:00 pm
      Mostly Cloudy
      55°F 53°F 1% 0in 72% 42°F 61% 8 mph NNW 30in
      7:00 pm
      Mostly Cloudy
      53°F 51°F 2% 0in 72% 42°F 67% 7 mph N 29.99in
      8:00 pm
      Mostly Cloudy
      52°F 50°F 3% 0in 68% 42°F 68% 7 mph N 29.98in
      9:00 pm
      Mostly Cloudy
      52°F 50°F 4% 0in 78% 42°F 69% 7 mph NNE 29.97in
      10:00 pm
      Cloudy
      51°F 49°F 4% 0in 82% 43°F 72% 7 mph NNE 29.96in
      11:00 pm
      Cloudy
      51°F 48°F 5% 0in 82% 43°F 75% 7 mph NNE 29.94in
      Additional Conditions
      1. Pressure 30.19 in
      2. Visibility 1.5 miles
      3. Clouds Cloudy
      4. Dew Point42°F
      5. Humidity 100%
      6. Rainfall 0.01 in
      7. Snow Depth 0 in
      KSEA Station History
      Almanac for October 18, 2026
      1. Forecast Average Record
      2. Temperature
      3. High 59°F 60°F 71°F 2023
      4. Low 41°F 47°F 32°F 1949
      5. Rain/Snow Depth
      6. Precipitation 0 in 3.7 in -
      7. Snow 0 in 0 in -
      Almanac for October 19, 2026
      1. Forecast Average Record
      2. Temperature
      3. High 61°F 59°F 72°F
      4. Low 47°F 46°F 28°F
      Astronomy
      1. Sun Rise Set
      2. Actual Time 7:32 AM 6:15 PM
      3. Civil Twilight 7:01 AM 6:46 PM
      4. Nautical Twilight 6:25 AM 7:22PM
      5. Astronomical Twilight 5:50 AM 7:57 PM
      1. Length of Visible Light 11h 45m
      2. Length of Day 10h 42m
      3. Tomorrow will be 3 minutes 16 seconds shorter
      1. Moon 3:14 PM 11:56 PM
      2. First Quarter52% of the Moon is Illuminated
      Oct 18
      Waxing Half First Qtr
      Oct 25
      Full Moon
      Nov 1
      Waning Half Last Qtr
      Nov 8
      New Moon
      Nearby Weather Stations
      Station Location
      Temp
      Windchill
      Heat Index
      Dew Point
      Humidity
      Wind
      Precip.
      Elev.
      Updated
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      Level Access
      Glossary