NWS Forecast for Downtown Seattle WA

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

Updated: 11:26 pm PDT Jun 21, 2026

Overnight Mostly Clear	Monday Sunny	Monday Night Increasing Clouds	Tuesday Decreasing Clouds	Tuesday Night Mostly Clear	Wednesday Mostly Sunny	Wednesday Night Partly Cloudy	Thursday Partly Sunny	Thursday Night Rain Likely
Lo 57 °F	Hi 82 °F	Lo 61 °F	Hi 86 °F	Lo 62 °F	Hi 87 °F	Lo 58 °F	Hi 72 °F	Lo 55 °F

Heat Advisory

Overnight	Mostly clear, with a low around 57. Calm wind.
Monday	Sunny, with a high near 82. Light north northeast wind becoming north northwest 5 to 10 mph in the morning.
Monday Night	Increasing clouds, with a low around 61. Northeast wind 3 to 8 mph.
Tuesday	Mostly cloudy, then gradually becoming sunny, with a high near 86. Calm wind becoming north 5 to 8 mph in the morning.
Tuesday Night	Mostly clear, with a low around 62. North northwest wind 5 to 8 mph becoming calm in the evening.
Wednesday	Mostly sunny, with a high near 87.
Wednesday Night	Partly cloudy, with a low around 58.
Thursday	Partly sunny, with a high near 72.
Thursday Night	Rain likely, mainly after 11pm. Mostly cloudy, with a low around 55.
Friday	Rain. Mostly cloudy, with a high near 64.
Friday Night	Rain likely. Mostly cloudy, with a low around 53.
Saturday	Rain likely. Mostly cloudy, with a high near 65.
Saturday Night	A chance of rain. Mostly cloudy, with a low around 53.
Sunday	Partly sunny, with a high near 68.

Forecast from NOAA-NWS for Downtown Seattle WA.