SeattleWeather.com

KSEA - Seattle/Metro, Washington, USA Distance from station: SSW 11mi, 18km
Updated: Fri, 21-Aug-2026 2:53pm PDT
Mostly Cloudy	Wind: W 6 mph , 9 km/h
Temperature:	79°F , 26°C
Dew Point:	57°F , 14°C
Humidity:	48%
Barometer:	29.95 inHg , 1014.2 hPa
Clouds:	Mostly Cloudy
Visibility:	10 miles , 16 km
Cloud details:	Few Clouds 16000 ft Mostly Cloudy 21000 ft
2026/08/21 21:53 KSEA 212153Z 27005KT 10SM FEW160 BKN210 26/14 A2995 RMK AO2 SLP145 T02560139

KBFI - Seattle/Boeing, Washington, USA Distance from station: SSW 2mi, 3km
Updated: Fri, 21-Aug-2026 2:53pm PDT
Mostly Cloudy	Wind: varies 5 mph , 7 km/h
Temperature:	81°F , 27°C
Heat Index:	81°F , 27°C
Dew Point:	57°F , 14°C
Humidity:	45%
Barometer:	29.93 inHg , 1013.5 hPa
Clouds:	Mostly Cloudy
Visibility:	10 miles , 16 km
Cloud details:	Few Clouds 16000 ft Mostly Cloudy 24000 ft
2026/08/21 21:53 KBFI 212153Z VRB04KT 10SM FEW160 BKN240 27/14 A2993 RMK AO2 SLP134 T02670139

NWS Forecast for Seattle, WA

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

Updated: Fri, 21-Aug-2026 1:55pm PDT

This Afternoon Mostly Cloudy	Saturday Chance Light Rain then Partly Sunny	Sunday Mostly Sunny	Monday Sunny	Tuesday Mostly Sunny	Wednesday Slight Chance Light Rain	Thursday Mostly Sunny
Hi 81 °F	Hi 74 °F	Hi 75 °F	Hi 76 °F	Hi 78 °F	Hi 72 °F	Hi 72 °F

Tonight Mostly Cloudy then Slight Chance Light Rain	Saturday Night Mostly Cloudy	Sunday Night Mostly Clear	Monday Night Mostly Clear	Tuesday Night Partly Cloudy	Wednesday Night Partly Cloudy	Thursday Night Partly Cloudy
Lo 61 °F	Lo 60 °F	Lo 57 °F	Lo 58 °F	Lo 58 °F	Lo 56 °F	Lo 55 °F

This Afternoon

Mostly cloudy, with a high near 81. Northwest wind around 5 mph.

Tonight

A slight chance of rain after 5am. Mostly cloudy, with a low around 61. West southwest wind 3 to 13 mph. Chance of precipitation is 20%.

Saturday

A chance of rain before noon. Partly sunny. High near 74, with temperatures falling to around 72 in the afternoon. South southwest wind 7 to 10 mph. Chance of precipitation is 40%.

Saturday Night

Mostly cloudy, with a low around 60. South southwest wind 3 to 7 mph.

Sunday

Mostly sunny, with a high near 75. South southwest wind around 6 mph.

Sunday Night

Mostly clear, with a low around 57.

Monday

Sunny, with a high near 76.

Monday Night

Mostly clear, with a low around 58.

Tuesday

Mostly sunny, with a high near 78.

Tuesday Night

Partly cloudy, with a low around 58.

Wednesday

A slight chance of rain between 11am and 5pm. Mostly sunny, with a high near 72.

Wednesday Night

Partly cloudy, with a low around 56.

Thursday

Mostly sunny, with a high near 72.

Thursday Night

Partly cloudy, with a low around 55.

Forecast from NOAA-NWS for Seattle, WA.