Weather at Seattle–Tacoma International Airport (SEA)

Seattle, Washington KSEA #12 US airport by passengers

Official aviation observations and forecasts for SEA.

FAA status: No delays reported Updated 5 min ago
Weather now: MVFR 46°F Observed 27 min ago
Late departures: 24.0%May 2026 to July 2026
Security line: No recent reportsAdd yours

Current conditions at SEA

MVFR

46°F8°C

Marginal: lower cloud or reduced visibility. Some delays are possible.

Wind: 100° 5 mph
Visibility: 10+ mi
Clouds: OVC 1,200 ft
Ceiling: 1,200 ft
Pressure: 29.98 inHg

METARMETAR KSEA 010953Z 10004KT 10SM OVC012 08/06 A2998 RMK AO2 SLP160 T00780056 $

TAFTAF KSEA 010850Z 0109/0212 03004KT 6SM BCFG OVC010 FM011100 07004KT 1/4SM FG OVC001 FM011800 36003KT P6SM SCT010 FM012000 35004KT P6SM FEW250 FM020500 14002KT 6SM BR VCFG SCT004

Source: NOAA Aviation Weather Center. Observed 27 min ago.

Forecast for the SEA area

Today53°F
Light Rain Likely
7 to 13 mph SSW · 56% rain

Tonight39°F
Light Rain Likely
7 mph SSE · 73% rain

Thursday54°F
Chance Light Rain
5 mph SW · 44% rain

Thursday Night39°F
Light Rain Likely
5 mph NE · 61% rain

Friday52°F
Light Rain Likely
5 mph SSE · 61% rain

Friday Night37°F
Chance Light Rain then Mostly Cloudy
5 mph SE · 25% rain

Saturday54°F
Partly Sunny then Slight Chance Light Rain
1 to 5 mph E · 16% rain

Saturday Night39°F
Slight Chance Light Rain then Mostly Cloudy
3 mph ENE · 16% rain

Source: National Weather Service. Updated 3 d ago.

Runways

Runway	Length	Width	Surface
16L/34R	11,901 ft	150 ft	PEM
16C/34C	9,426 ft	150 ft	PEM
16R/34L	8,500 ft	150 ft	PEM

Source: OurAirports (public domain). Runway data can lag behind construction closures.

Air traffic frequencies

Service	Description	MHz
D-ATIS	Digital ATIS	118.000
CLD	CLNC DEL	128.000
GND	Seattle Ground	121.700
TWR	Seattle Tower	119.900