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98158 Weather (SeaTac, WA)

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Mostly Cloudy at SeaTac (98158), temperature is 60°F16°C, dew point 51°F11°C, humidity 72%. Wind direction is VRB at 5 mphat 8 km/h with visibility of 10 mi16 km. Barometric pressure is 30.08 in1019 mb. Last update: 11:24 am.*

*Time is approximately 11:24 am Thu, Oct 01, 2026. Time will be within 15 minutes of current local time. SeaTac weather forecast data is updated every 15 minutes.

Sun & Moon

Converter

Cloud Cover	100%
uv UV Index	3
Sunrise	07:09 AM
Sunset	06:48 PM
Moonrise	09:24 PM
Moonset	01:43 PM

Civil Twilight
6:35 AM to 7:05 AM
6:49 PM to 7:19 PM
Waning Gibbous Moon

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What good is the warmth of summer, without the cold of winter to give it sweetness. ―John Steinbeck

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SeaTac Weather Forecast

Weather forecast for: Seattle-Tacoma International Airport WA

Last Update: 1:30 am PDT Oct 1, 2026

Today: Partly sunny, with a high near 67. West wind 3 to 6 mph.

Tonight: Partly cloudy, with a low around 51. Northwest wind around 6 mph becoming calm in the evening.

Friday: Mostly sunny, with a high near 70. Southwest wind 3 to 8 mph.

Friday Night: Mostly cloudy, with a low around 53. West southwest wind 5 to 7 mph becoming north after midnight.

Saturday: Mostly sunny, with a high near 68. North wind 7 to 11 mph.

Saturday Night: Mostly clear, with a low around 52.

Sunday: Mostly sunny, with a high near 71.

Sunday Night: Mostly clear, with a low around 52.

Monday: Mostly sunny, with a high near 69.

Monday Night: Partly cloudy, with a low around 52.

Tuesday: Partly sunny, with a high near 66.

Tuesday Night: Partly cloudy, with a low around 50.

Wednesday: Mostly sunny, with a high near 66.

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