National Weather Service Forecast for: Renton WA
Issued by: National Weather Service Seattle, WA
Updated: 1:56 pm PDT Jul 28, 2026
 
Tonight

Tonight: Partly cloudy, with a low around 57. West southwest wind 5 to 8 mph becoming calm  in the evening.
Partly Cloudy
Wednesday

Wednesday: Partly sunny, then gradually becoming sunny, with a high near 78. Calm wind becoming northwest around 5 mph in the afternoon.
Becoming
Sunny
Wednesday
Night
Wednesday Night: Mostly clear, with a low around 55. North northwest wind around 6 mph becoming calm  in the evening.
Mostly Clear
Thursday

Thursday: Sunny, with a high near 79. Calm wind becoming southwest around 5 mph in the afternoon.
Sunny
Thursday
Night
Thursday Night: Mostly clear, with a low around 56. West wind around 5 mph becoming calm  in the evening.
Mostly Clear
Friday

Friday: Sunny, with a high near 85.
Sunny
Friday
Night
Friday Night: Mostly clear, with a low around 60.
Mostly Clear
Saturday

Saturday: Partly sunny, with a high near 74.
Partly Sunny
Saturday
Night
Saturday Night: Partly cloudy, with a low around 56.
Partly Cloudy
Lo 57 °F Hi 78 °F Lo 55 °F Hi 79 °F Lo 56 °F Hi 85 °F Lo 60 °F Hi 74 °F Lo 56 °F

 

Tonight
 
Partly cloudy, with a low around 57. West southwest wind 5 to 8 mph becoming calm in the evening.
Wednesday
 
Partly sunny, then gradually becoming sunny, with a high near 78. Calm wind becoming northwest around 5 mph in the afternoon.
Wednesday Night
 
Mostly clear, with a low around 55. North northwest wind around 6 mph becoming calm in the evening.
Thursday
 
Sunny, with a high near 79. Calm wind becoming southwest around 5 mph in the afternoon.
Thursday Night
 
Mostly clear, with a low around 56. West wind around 5 mph becoming calm in the evening.
Friday
 
Sunny, with a high near 85.
Friday Night
 
Mostly clear, with a low around 60.
Saturday
 
Partly sunny, with a high near 74.
Saturday Night
 
Partly cloudy, with a low around 56.
Sunday
 
Partly sunny, with a high near 72.
Sunday Night
 
Partly cloudy, with a low around 54.
Monday
 
Mostly sunny, with a high near 76.
Monday Night
 
Mostly clear, with a low around 57.
Tuesday
 
Sunny, with a high near 82.

 

Forecast from NOAA-NWS for Renton WA.