National Weather Service Forecast for: Renton WA
Issued by: National Weather Service Seattle, WA
Updated: 11:25 am PDT Jul 16, 2026
 
This
Afternoon
This Afternoon: A chance of showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 5pm, then a slight chance of showers and thunderstorms after 5pm.  Mostly cloudy, with a high near 76. Southwest wind around 9 mph.  Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Showers
Likely
Tonight

Tonight: Mostly cloudy, with a low around 58. South southwest wind 6 to 9 mph.
Mostly Cloudy
Friday

Friday: Mostly cloudy, then gradually becoming sunny, with a high near 80. South southwest wind around 6 mph.
Decreasing
Clouds
Friday
Night
Friday Night: Mostly clear, with a low around 58. Northwest wind around 6 mph becoming calm  in the evening.
Mostly Clear
Saturday

Saturday: Sunny, with a high near 80. Calm wind becoming north northwest around 6 mph in the afternoon.
Sunny
Saturday
Night
Saturday Night: Clear, with a low around 59.
Clear
Sunday

Sunday: Sunny, with a high near 83.
Sunny
Sunday
Night
Sunday Night: Mostly clear, with a low around 61.
Mostly Clear
Monday

Monday: Mostly sunny, with a high near 88.
Mostly Sunny
Hi 76 °F Lo 58 °F Hi 80 °F Lo 58 °F Hi 80 °F Lo 59 °F Hi 83 °F Lo 61 °F Hi 88 °F

 

This Afternoon
 
A chance of showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 5pm, then a slight chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 76. Southwest wind around 9 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
 
Mostly cloudy, with a low around 58. South southwest wind 6 to 9 mph.
Friday
 
Mostly cloudy, then gradually becoming sunny, with a high near 80. South southwest wind around 6 mph.
Friday Night
 
Mostly clear, with a low around 58. Northwest wind around 6 mph becoming calm in the evening.
Saturday
 
Sunny, with a high near 80. Calm wind becoming north northwest around 6 mph in the afternoon.
Saturday Night
 
Clear, with a low around 59.
Sunday
 
Sunny, with a high near 83.
Sunday Night
 
Mostly clear, with a low around 61.
Monday
 
Mostly sunny, with a high near 88.
Monday Night
 
Partly cloudy, with a low around 64.
Tuesday
 
Mostly sunny, with a high near 89.
Tuesday Night
 
Partly cloudy, with a low around 64.
Wednesday
 
Sunny, with a high near 88.

 

Forecast from NOAA-NWS for Renton WA.