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Current Weather Conditions:
SEATTLE-TACOMA INTERNATIONAL AIRPORT , WA, United States

NWS Point Forecast for KSEA (KSEA) 47-27N 122-19W 136M

Conditions at

2026.08.18 1706 UTC
Wind from the SW (220 degrees) at 9 MPH (8 KT)
Visibility 1 1/2 mile(s)
Sky conditions overcast
Weather Mist
Temperature 60.1 F (15.6 C)
Dew Point 55.0 F (12.8 C)
Relative Humidity 83%
Pressure (altimeter) 30.14 in. Hg (1020 hPa)
ob KSEA 181706Z 22008KT 1 1/2SM BR FEW002 OVC005 16/13 A3014 RMK AO2 SFC VIS 4 T01560128

Maximum and Minimum Temperatures

Maximum
Temperature
F (C)
Minimum
Temperature
F (C)
68.0 (20.0) 57.9 (14.4) In the 6 hours preceding Aug 18, 2026 - 07:53 AM EDT / 2026.08.18 1153 UTC
80.1 (26.7) 43.0 (6.1) In the 24 hours preceding Aug 18, 2026 - 03:53 AM EDT / 2026.08.18 0753 UTC

24 Hour Summary

Time
EDT (UTC)
Temperature
F (C)
Dew Point
F (C)
Pressure
Inches (hPa)
Wind
MPH
Weather
Latest 1 PM (17) Aug 18 60.1 (15.6) 55.0 (12.8) 30.14 (1020) SW 9 mist
Noon (16) Aug 18 57.9 (14.4) 55.0 (12.8) 30.14 (1020) S 9 mist
11 AM (15) Aug 18 57.0 (13.9) 55.9 (13.3) 30.14 (1020) SSW 8 fog
10 AM (14) Aug 18 57.0 (13.9) 55.9 (13.3) 30.13 (1020) SSW 9 fog
9 AM (13) Aug 18 57.9 (14.4) 55.9 (13.3) 30.12 (1019) S 5
8 AM (12) Aug 18 57.9 (14.4) 55.9 (13.3) 30.12 (1019) SSW 5
7 AM (11) Aug 18 59.0 (15.0) 55.9 (13.3) 30.11 (1019) S 5
6 AM (10) Aug 18 61.0 (16.1) 55.9 (13.3) 30.1 (1019) Calm
5 AM (9) Aug 18 61.0 (16.1) 55.9 (13.3) 30.1 (1019) Calm
4 AM (8) Aug 18 62.1 (16.7) 57.0 (13.9) 30.09 (1018) Calm
3 AM (7) Aug 18 66.0 (18.9) 57.0 (13.9) 30.08 (1018) Calm
2 AM (6) Aug 18 68.0 (20.0) 55.9 (13.3) 30.08 (1018) Calm
1 AM (5) Aug 18 69.1 (20.6) 55.0 (12.8) 30.08 (1018) N 7
Midnight (4) Aug 18 71.1 (21.7) 55.0 (12.8) 30.07 (1018) N 6
11 PM (3) Aug 17 73.0 (22.8) 55.9 (13.3) 30.06 (1017) NW 3
10 PM (2) Aug 17 77.0 (25.0) 57.0 (13.9) 30.06 (1017) NNW 6
9 PM (1) Aug 17 78.1 (25.6) 57.0 (13.9) 30.07 (1018) W 8
8 PM (0) Aug 17 78.1 (25.6) 55.9 (13.3) 30.08 (1018) W 3
7 PM (23) Aug 17 78.1 (25.6) 57.0 (13.9) 30.09 (1018) NNW 10
6 PM (22) Aug 17 75.9 (24.4) 57.0 (13.9) 30.1 (1019) WNW 10
5 PM (21) Aug 17 73.9 (23.3) 55.9 (13.3) 30.11 (1019) WNW 9
4 PM (20) Aug 17 71.1 (21.7) 55.9 (13.3) 30.12 (1019) WSW 8
3 PM (19) Aug 17 68.0 (20.0) 55.9 (13.3) 30.14 (1020) W 7
Oldest 2 PM (18) Aug 17 63.0 (17.2) 55.0 (12.8) 30.15 (1020) WSW 3 mist
Time
EDT (UTC)
Temperature
F(C)
Dew Point
F(C)
Pressure
Inches(hPa)
Wind
(MPH)
Weather

The information presented here is taken from products produced by the U.S. National Weather Service and other national and international agencies




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