NWS Forecast for Renton WA

National Weather Service Forecast for: Renton WA
Issued by: National Weather Service Seattle, WA

Updated: 7:01 pm PST Dec 22, 2025

Tonight Slight Chance Rain	Tuesday Mostly Cloudy	Tuesday Night Chance Rain then Rain	Wednesday Rain	Wednesday Night Slight Chance Rain then Mostly Cloudy	Christmas Day Chance Rain	Thursday Night Rain Likely	Friday Rain Likely	Friday Night Chance Rain then Mostly Cloudy
Lo 38 °F	Hi 47 °F	Lo 39 °F	Hi 49 °F	Lo 37 °F	Hi 46 °F	Lo 39 °F	Hi 46 °F	Lo 36 °F

Tonight	A 20 percent chance of rain before 2am. Mostly cloudy, with a low around 38. South wind 6 to 9 mph.
Tuesday	Mostly cloudy, with a high near 47. Light southeast wind.
Tuesday Night	Rain, mainly after 4am. Low around 39. Calm wind becoming north northeast around 5 mph after midnight. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday	Rain, mainly before 4pm. High near 49. East wind 13 to 20 mph becoming south in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night	A 20 percent chance of rain before 10pm. Mostly cloudy, with a low around 37. Southeast wind 5 to 8 mph becoming northeast after midnight.
Christmas Day	A 40 percent chance of rain. Mostly cloudy, with a high near 46.
Thursday Night	Rain likely. Cloudy, with a low around 39. Chance of precipitation is 70%.
Friday	Rain likely, mainly before 10am. Mostly cloudy, with a high near 46.
Friday Night	A chance of rain before 10pm. Mostly cloudy, with a low around 36.
Saturday	A slight chance of rain and snow after 10am. Mostly cloudy, with a high near 46.
Saturday Night	A slight chance of rain and snow. Mostly cloudy, with a low around 37.
Sunday	A slight chance of rain and snow. Mostly cloudy, with a high near 48.
Sunday Night	A chance of rain. Cloudy, with a low around 39.
Monday	A chance of rain. Cloudy, with a high near 50.

Forecast from NOAA-NWS for Renton WA.