National Weather Service Forecast for: Federal Way WA
Issued by: National Weather Service Seattle, WA
Updated: 1:25 am PST Dec 18, 2025
 
Overnight

Overnight: A 50 percent chance of rain. Cloudy, with a low around 41. South wind around 9 mph, with gusts as high as 26 mph.
Chance Rain
 Thursday

Thursday: Rain. High near 53. South wind 9 to 18 mph, with gusts as high as 47 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Rain
 Thursday
Night
Thursday Night: Rain, mainly before 8pm. Low around 38. Southwest wind 8 to 16 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Rain
 Friday

Friday: Rain likely before 10am, then rain, possibly mixed with snow between 10am and 1pm, then rain after 1pm. High near 44. South southwest wind 8 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Rain/Snow
 Friday
Night
Friday Night: Rain. Low around 39. South southwest wind around 11 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Rain
 Saturday

Saturday: Rain. High near 45. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Rain
 Saturday
Night
Saturday Night: Rain. Low around 39. Chance of precipitation is 80%.
Rain
 Sunday

Sunday: Rain. Cloudy, with a high near 46.
Rain
 Sunday
Night
Sunday Night: Rain. Cloudy, with a low around 39.
Rain
Lo 41 °F Hi 53 °F Lo 38 °F Hi 44 °F Lo 39 °F Hi 45 °F Lo 39 °F Hi 46 °F Lo 39 °F

Flood Watch
Special Weather Statement
Wind Advisory
 

Overnight
 
 A 50 percent chance of rain. Cloudy, with a low around 41. South wind around 9 mph, with gusts as high as 26 mph.
Thursday
 
 Rain. High near 53. South wind 9 to 18 mph, with gusts as high as 47 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
 
 Rain, mainly before 8pm. Low around 38. Southwest wind 8 to 16 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Friday
 
 Rain likely before 10am, then rain, possibly mixed with snow between 10am and 1pm, then rain after 1pm. High near 44. South southwest wind 8 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Friday Night
 
 Rain. Low around 39. South southwest wind around 11 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
 
 Rain. High near 45. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
 
 Rain. Low around 39. Chance of precipitation is 80%.
Sunday
 
 Rain. Cloudy, with a high near 46.
Sunday Night
 
 Rain. Cloudy, with a low around 39.
Monday
 
 Rain. Cloudy, with a high near 45.
Monday Night
 
 Rain. Mostly cloudy, with a low around 38.
Tuesday
 
 Rain likely. Mostly cloudy, with a high near 46.
Tuesday Night
 
 A chance of rain. Mostly cloudy, with a low around 33.
Wednesday
 
 A chance of rain. Mostly cloudy, with a high near 44.

 

Forecast from NOAA-NWS for Federal Way WA.