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      Elev 139 ft, 47.446 °N 122.276 °W

      SeaTac, WA

      Wed, Sep 30, 2026
      Today
      Thu 10/01
      High 64°f
      1% Precip. / 0 in
      A mix of clouds and sun. High 64F. Winds NNW at 5 to 10 mph.
      Tonight
      Thu 10/01
      Low 50°f
      8% Precip. / 0 in
      Partly cloudy skies early will give way to cloudy skies late. Low around 50F. Winds NNE at 5 to 10 mph.
      Sunrise 7:07 AM
      Sunset 6:50 PM
      Moonrise 8:32 PM
      Moonset 12:26 PM
      Waning Gibbous, 76% visible
      Hourly Forecast
      Now
      56°
      11AM
      58°
      12PM
      60°
      1PM
      61°
      2PM
      62°
      3PM
      63°
      4PM
      63°
      5PM
      63°
      6PM
      61°
      6:50PM
      Sunset
      7PM
      59°
      8PM
      57°
      9PM
      55°
      10PM
      55°
      11PM
      54°
      12AM
      53°
      1AM
      52°
      2AM
      52°
      3AM
      52°
      4AM
      52°
      5AM
      51°
      6AM
      52°
      7AM
      52°
      7:08AM
      Sunrise
      8AM
      52°
      9AM
      54°
      10AM
      56°
      Time Conditions Temp. Feels Like Precip Amount Cloud Cover Dew Point Humidity Wind Pressure
      11:00 am
      Mostly Cloudy
      58°F 56°F 1% 0in 60% 48°F 70% 8 mph N 30.11in
      12:00 pm
      Mostly Cloudy
      60°F 58°F 1% 0in 74% 48°F 66% 8 mph N 30.11in
      1:00 pm
      Partly Cloudy
      61°F 60°F 1% 0in 59% 48°F 63% 9 mph NNW 30.1in
      2:00 pm
      Partly Cloudy
      62°F 61°F 0% 0in 30% 47°F 58% 9 mph NNW 30.1in
      3:00 pm
      Partly Cloudy
      63°F 62°F 0% 0in 36% 47°F 57% 9 mph NNW 30.09in
      4:00 pm
      Partly Cloudy
      63°F 62°F 0% 0in 38% 47°F 55% 10 mph NNW 30.08in
      5:00 pm
      Partly Cloudy
      63°F 62°F 0% 0in 40% 46°F 54% 9 mph NNW 30.06in
      6:00 pm
      Partly Cloudy
      61°F 60°F 0% 0in 44% 47°F 59% 9 mph NNW 30.06in
      7:00 pm
      Partly Cloudy
      59°F 57°F 2% 0in 42% 47°F 65% 8 mph N 30.07in
      8:00 pm
      Partly Cloudy
      57°F 55°F 3% 0in 47% 46°F 68% 7 mph N 30.08in
      9:00 pm
      Mostly Cloudy
      55°F 54°F 4% 0in 62% 46°F 70% 7 mph N 30.08in
      10:00 pm
      Mostly Cloudy
      55°F 53°F 5% 0in 64% 46°F 72% 7 mph N 30.09in
      11:00 pm
      Mostly Cloudy
      54°F 52°F 6% 0in 70% 47°F 77% 7 mph NNE 30.09in
      Additional Conditions
      1. Pressure 30.15 in
      2. Visibility 10 miles
      3. Clouds Cloudy
      4. Dew Point48°F
      5. Humidity 73%
      6. Rainfall 0 in
      7. Snow Depth 0 in
      KSEA Station History
      Almanac for September 30, 2026
      1. Forecast Average Record
      2. Temperature
      3. High 64°F 67°F 82°F 1992
      4. Low 48°F 51°F 36°F 1950
      5. Rain/Snow Depth
      6. Precipitation 0 in 2.9 in -
      7. Snow 0 in - in -
      Almanac for October 1, 2026
      1. Forecast Average Record
      2. Temperature
      3. High 68°F 66°F 89°F
      4. Low 50°F 51°F 35°F
      Astronomy
      1. Sun Rise Set
      2. Actual Time 7:07 AM 6:50 PM
      3. Civil Twilight 6:36 AM 7:20 PM
      4. Nautical Twilight 6:00 AM 7:56PM
      5. Astronomical Twilight 5:24 AM 8:32 PM
      1. Length of Visible Light 12h 44m
      2. Length of Day 11h 43m
      3. Tomorrow will be 3 minutes 22 seconds shorter
      1. Moon 8:32 PM 12:26 PM
      2. Waning Gibbous76% of the Moon is Illuminated
      Oct 3
      Waning Half Last Qtr
      Oct 10
      New Moon
      Oct 18
      Waxing Half First Qtr
      Oct 25
      Full Moon
      Nearby Weather Stations
      Station Location
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      Windchill
      Heat Index
      Dew Point
      Humidity
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      Precip.
      Elev.
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      Level Access
      Glossary