National Weather Service Forecast for: Federal Way WA
Issued by: National Weather Service Seattle, WA
Updated: 1:25 am PST Dec 5, 2025
 
Overnight

Overnight: Rain. Low around 44. South wind 3 to 5 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Rain
 Friday

Friday: Rain, mainly before 1pm. High near 54. South southwest wind 8 to 16 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Rain
 Friday
Night
Friday Night: Rain. Low around 46. Southwest wind 15 to 17 mph, with gusts as high as 36 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Rain
 Saturday

Saturday: Rain. High near 51. Southwest wind 11 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Rain
 Saturday
Night
Saturday Night: Rain. Low around 45. South wind 7 to 9 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Rain
 Sunday

Sunday: Rain. High near 53. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Rain
 Sunday
Night
Sunday Night: Rain likely, mainly after 4am. Mostly cloudy, with a low around 46. Chance of precipitation is 70%.
Rain Likely
 Monday

Monday: Rain. Cloudy, with a high near 56.
Rain
 Monday
Night
Monday Night: Rain. Cloudy, with a low around 47.
Rain
Lo 44 °F Hi 54 °F Lo 46 °F Hi 51 °F Lo 45 °F Hi 53 °F Lo 46 °F Hi 56 °F Lo 47 °F

Hydrologic Outlook
 

Overnight
 
 Rain. Low around 44. South wind 3 to 5 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Friday
 
 Rain, mainly before 1pm. High near 54. South southwest wind 8 to 16 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
 
 Rain. Low around 46. Southwest wind 15 to 17 mph, with gusts as high as 36 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
 
 Rain. High near 51. Southwest wind 11 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
 
 Rain. Low around 45. South wind 7 to 9 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
 
 Rain. High near 53. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
 
 Rain likely, mainly after 4am. Mostly cloudy, with a low around 46. Chance of precipitation is 70%.
Monday
 
 Rain. Cloudy, with a high near 56.
Monday Night
 
 Rain. Cloudy, with a low around 47.
Tuesday
 
 Rain. Cloudy, with a high near 52.
Tuesday Night
 
 Rain. Cloudy, with a low around 44.
Wednesday
 
 Rain. Cloudy, with a high near 52.
Wednesday Night
 
 Rain. Mostly cloudy, with a low around 45.
Thursday
 
 Rain likely. Mostly cloudy, with a high near 52.

 

Forecast from NOAA-NWS for Federal Way WA.