SeaTac, WA 10-Day Weather Forecast

King County1:44 AM PDT47.45°N, 122.29°WElevation 262 ft

Overview

  1. TonightOct 25 Chance Light Rain Chance Light Rain48%45°
  2. TodayOct 26 Chance Light Rain Chance Light Rain45%46°56°
  3. TueOct 27 Mostly Cloudy then Light Rain Likely Mostly Cloudy then Light Rain Likely92%44°57°
  4. WedOct 28 Light Rain Light Rain86%40°54°
  5. ThuOct 29 Light Rain Likely Light Rain Likely69%40°51°
  6. FriOct 30 Slight Chance Light Rain then Partly Sunny Slight Chance Light Rain then Partly Sunny20%38°52°
  7. SatOct 31 Partly Sunny Partly Sunny39°54°
  8. SunNov 1 Partly Sunny Partly Sunny54°
  9. MonNov 2 Mostly sunny Mostly sunny36°49°
  10. TueNov 3 Sunny Sunny36°56°

Days after the National Weather Service's seven are MET Norway's outlook, a computer model with no forecaster's review.

Tonight October 25

Chance Light Rain
Overnight
Low 45°
Chance Light Rain

A chance of rain. Mostly cloudy. Low around 45, with temperatures rising to around 47 overnight. North northeast wind around 3 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.

Precip 48%Wind NNE 3 mph

Today October 26

Chance Light Rain
Monday
High 56°
Chance Light Rain

A chance of rain. Mostly cloudy. High near 56, with temperatures falling to around 54 in the afternoon. North northwest wind around 3 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.

Precip 41%Wind NNW 3 mph
Chance Light Rain
Monday Night
Low 46°
Chance Light Rain

A chance of rain. Mostly cloudy. Low around 46, with temperatures rising to around 48 overnight. South wind 1 to 7 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.

Precip 45%Wind S 1 to 7 mph
Rain/precip total0.02 in
Gusts to6 mph
UV index2 Low
Sunrise7:45 AM
Sunset6:03 PM
Daylight10 h 18 min
Moon Full Moon (99%)

Tomorrow October 27

Mostly Cloudy then Light Rain Likely
Tuesday
High 57°
Mostly Cloudy then Light Rain Likely

Rain likely after noon. Mostly cloudy, with a high near 57. Southwest wind 5 to 14 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.

Precip 72%Wind SW 5 to 14 mph
Light Rain
Tuesday Night
Low 44°
Light Rain

Rain. Mostly cloudy, with a low around 44. South southwest wind 9 to 13 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.

Precip 92%Wind SSW 9 to 13 mph
Rain/precip total0.04 in
Gusts to20 mph
UV index2 Low
Sunrise7:46 AM
Sunset6:01 PM
Daylight10 h 15 min
Moon Waning Gibbous (97%)

Wednesday October 28

Light Rain
Wednesday
High 54°
Light Rain

Rain. Mostly cloudy, with a high near 54. Chance of precipitation is 90%. New rainfall amounts less than a tenth of an inch possible.

Precip 86%Wind SSW 9 mph
Light Rain
Wednesday Night
Low 40°
Light Rain

Rain. Cloudy, with a low around 40.

Precip 86%Wind SE 3 to 8 mph
Rain/precip total0.17 in
Gusts to20 mph
Thunder12%
UV index2 Low
Sunrise7:48 AM
Sunset6:00 PM
Daylight10 h 12 min
Moon Waning Gibbous (91%)

Thursday October 29

Light Rain Likely
Thursday
High 51°
Light Rain Likely

Rain likely. Mostly cloudy, with a high near 51.

Precip 69%Wind NE 5 mph
Chance Light Rain
Thursday Night
Low 40°
Chance Light Rain

A chance of rain. Mostly cloudy, with a low around 40.

Precip 49%Wind ENE 3 mph
Rain/precip total0.14 in
Gusts to9 mph
Thunder10%
Sunrise7:49 AM
Sunset5:58 PM
Daylight10 h 9 min
Moon Waning Gibbous (84%)

Friday October 30

Slight Chance Light Rain then Partly Sunny
Friday
High 52°
Slight Chance Light Rain then Partly Sunny

A slight chance of rain before 11am. Partly sunny, with a high near 52.

Precip 20%Wind ENE 3 mph
Partly Cloudy
Friday Night
Low 38°
Partly Cloudy

Partly cloudy, with a low around 38.

Precip 10%Wind ENE 2 mph
Rain/precip total<0.01 in
Gusts to5 mph
Sunrise7:51 AM
Sunset5:57 PM
Daylight10 h 5 min
Moon Waning Gibbous (74%)

Saturday October 31

Partly Sunny
Saturday
High 54°
Partly Sunny

Partly sunny, with a high near 54.

Precip 8%Wind NNE 5 mph
Mostly Cloudy
Saturday Night
Low 39°
Mostly Cloudy

Mostly cloudy, with a low around 39.

Precip 8%Wind ENE 3 mph
Rain/precip total0.00 in
Gusts to5 mph
Sunrise7:52 AM
Sunset5:55 PM
Daylight10 h 2 min
Moon Waning Gibbous (63%)

Sunday November 1

Partly Sunny
Sunday
High 54°
Partly Sunny

Partly sunny, with a high near 54.

Precip 3%Wind S 5 mph
Rain/precip total0.00 in
Gusts to6 mph
Sunrise6:54 AM
Sunset4:53 PM
Daylight9 h 59 min
Moon Last Quarter (51%)

Monday November 2

Extended outlook
Mostly sunny
Monday
High 49°
Mostly sunny
Partly cloudy
Monday Night
Low 36°
Partly cloudy
Rain/precip total0.00 in
Sunrise6:55 AM
Sunset4:52 PM
Daylight9 h 56 min
Moon Waning Crescent (40%)

Tuesday November 3

Extended outlook
Sunny
Tuesday
High 56°
Sunny
Partly cloudy
Tuesday Night
Low 36°
Partly cloudy
Rain/precip total0.00 in
Sunrise6:57 AM
Sunset4:50 PM
Daylight9 h 53 min
Moon Waning Crescent (29%)

National Weather Service forecast updated 2 hrs ago.

Forecasts, observations and alerts in the United States come from the National Weather Service (NOAA); radar from NOAA's Multi-Radar Multi-Sensor system; satellite imagery from NASA's Global Imagery Browse Services (GIBS) and NOAA's GOES satellites; the map from the U.S. Geological Survey's National Map; air quality from AirNow (EPA and its partners); hurricane information from the National Hurricane Center; climate normals and records from NOAA's Regional Climate Centers (ACIS). Forecasts outside the United States and the UV index: MET Norway (CC BY 4.0); observations outside the U.S.: airport reports via NOAA's Aviation Weather Center. Place names: GeoNames (CC BY 4.0). Data are copied on a schedule and may lag the sources; for warnings that affect your safety, follow your local National Weather Service office and emergency officials. Weather news is drawn from the 4Search index and reflects what the press published. Terms of use. How to use Weather