SeattleWeather.com

KSEA - Seattle/Metro, Washington, USA Distance from station: SSW 11mi, 18km
Updated: Mon, 21-Sep-2026 1:53pm PDT
Mostly Cloudy	Wind: varies 6 mph , 9 km/h
Temperature:	64°F , 18°C
Dew Point:	54°F , 12°C
Humidity:	68%
Barometer:	30.02 inHg , 1016.6 hPa
Clouds:	Mostly Cloudy
Visibility:	10 miles , 16 km
Cloud details:	Few Clouds 3000 ft Mostly Cloudy 23000 ft
2026/09/21 20:53 KSEA 212053Z VRB05KT 10SM FEW030 BKN230 18/12 A3002 RMK AO2 SLP170 T01830122 58005 $

KBFI - Seattle/Boeing, Washington, USA Distance from station: SSW 2mi, 3km
Updated: Mon, 21-Sep-2026 1:53pm PDT
Clear
Temperature:	68°F , 20°C
Dew Point:	54°F , 12°C
Humidity:	60%
Barometer:	30.00 inHg , 1015.9 hPa
Clouds:	Clear
Visibility:	10 miles , 16 km
2026/09/21 20:53 KBFI 212053Z 10SM CLR 20/12 A3000 RMK AO2 SLP158 T02000122 58006

NWS Forecast for Seattle, WA

National Weather Service Forecast for: Seattle, WA
Issued by: National Weather Service Seattle/Tacoma, WA

Updated: Mon, 21-Sep-2026 11:27am PDT

This Afternoon Mostly Cloudy	Tuesday Slight Chance Light Rain then Partly Sunny	Wednesday Partly Sunny	Thursday Rain Likely	Friday Chance Light Rain	Saturday Partly Sunny	Sunday Partly Sunny
Hi 70 °F	Hi 68 °F	Hi 66 °F	Hi 62 °F	Hi 62 °F	Hi 62 °F	Hi 63 °F

Tonight Partly Cloudy then Slight Chance Light Rain	Tuesday Night Mostly Cloudy	Wednesday Night Mostly Cloudy	Thursday Night Rain Likely	Friday Night Chance Light Rain then Mostly Cloudy	Saturday Night Mostly Cloudy	Sunday Night Slight Chance Light Rain
Lo 55 °F	Lo 54 °F	Lo 53 °F	Lo 52 °F	Lo 50 °F	Lo 50 °F	Lo 51 °F

This Afternoon

Mostly cloudy. High near 70, with temperatures falling to around 68 in the afternoon. Northwest wind around 3 mph.

Tonight

A slight chance of rain after 5am. Partly cloudy. Low around 55, with temperatures rising to around 57 overnight. Northeast wind around 5 mph. Chance of precipitation is 20%.

Tuesday

A slight chance of rain before 11am. Partly sunny, with a high near 68. North wind around 5 mph. Chance of precipitation is 20%.

Tuesday Night

Mostly cloudy, with a low around 54. South southeast wind 2 to 7 mph.

Wednesday

Partly sunny, with a high near 66. Southwest wind around 6 mph.

Wednesday Night

Mostly cloudy, with a low around 53.

Thursday

Rain likely after 11am. Mostly cloudy, with a high near 62.

Thursday Night

Rain likely. Mostly cloudy, with a low around 52.

Friday

A chance of rain. Mostly cloudy, with a high near 62.

Friday Night

A chance of rain before 11pm. Mostly cloudy, with a low around 50.

Saturday

Partly sunny, with a high near 62.

Saturday Night

Mostly cloudy, with a low around 50.

Sunday

Partly sunny, with a high near 63.

Sunday Night

A slight chance of rain after 11pm. Mostly cloudy, with a low around 51.

Forecast from NOAA-NWS for Seattle, WA.