National Weather Service Forecast for: Renton WA
Issued by: National Weather Service Seattle, WA
Updated: 11:26 pm PDT Apr 5, 2026
 
Tonight

Tonight: Partly cloudy, with a low around 48. Calm wind.
Partly Cloudy
 Monday

Monday: Mostly sunny, with a high near 71. Calm wind becoming west southwest 5 to 7 mph in the afternoon.
Mostly Sunny
 Monday
Night
Monday Night: Increasing clouds, with a low around 43. North northwest wind around 6 mph becoming light and variable in the evening.
Increasing
Clouds
 Tuesday

Tuesday: Mostly sunny, with a high near 57. Light and variable wind.
Mostly Sunny
 Tuesday
Night
Tuesday Night: Mostly clear, with a low around 39. Light and variable wind.
Mostly Clear
 Wednesday

Wednesday: Sunny, with a high near 60.
Sunny
 Wednesday
Night
Wednesday Night: Mostly clear, with a low around 40.
Mostly Clear
 Thursday

Thursday: Sunny, with a high near 64.
Sunny
 Thursday
Night
Thursday Night: Mostly clear, with a low around 43.
Mostly Clear
Lo 48 °F Hi 71 °F Lo 43 °F Hi 57 °F Lo 39 °F Hi 60 °F Lo 40 °F Hi 64 °F Lo 43 °F

 

Tonight
 
 Partly cloudy, with a low around 48. Calm wind.
Monday
 
 Mostly sunny, with a high near 71. Calm wind becoming west southwest 5 to 7 mph in the afternoon.
Monday Night
 
 Increasing clouds, with a low around 43. North northwest wind around 6 mph becoming light and variable in the evening.
Tuesday
 
 Mostly sunny, with a high near 57. Light and variable wind.
Tuesday Night
 
 Mostly clear, with a low around 39. Light and variable wind.
Wednesday
 
 Sunny, with a high near 60.
Wednesday Night
 
 Mostly clear, with a low around 40.
Thursday
 
 Sunny, with a high near 64.
Thursday Night
 
 Mostly clear, with a low around 43.
Friday
 
 Sunny, with a high near 66.
Friday Night
 
 Partly cloudy, with a low around 44.
Saturday
 
 A slight chance of rain. Partly sunny, with a high near 58.
Saturday Night
 
 A chance of rain. Mostly cloudy, with a low around 43.
Sunday
 
 A chance of rain. Mostly cloudy, with a high near 56.

 

Forecast from NOAA-NWS for Renton WA.