Weather observations for the past three days for
Seattle, Seattle-Tacoma International Airport
Metric (Imperial)
Date Time (pdt) Wind (kph) Vis. (km) Weather Sky Cond. Temperature (ºC) Relative Humidity Wind Chill (°C) Heat Index (°C) Pressure Precipitation (cm)
Air Dwpt 6 hour altimeter (cm) sea level (mb) 1 hr 3 hr 6 hr
Max. Min.
21 09:53 N 19 16.09 Overcast BKN034 OVC045 6.1 0.6 68% 3 76.86 1025.5
21 08:53 N 19 16.09 Overcast OVC033 6.1 0.6 68% 3 76.78 1024.5
21 07:53 N 19 16.09 Overcast OVC031 6.1 0.6 68% 3 76.76 1024.1
21 06:53 N 15 16.09 Overcast OVC031 6.1 1.7 74% 3 76.68 1022.9
21 05:53 N 15 16.09 Overcast SCT017 OVC025 6.1 2.2 76% 3 76.61 1022.1
21 04:53 N 22 16.09 Overcast FEW015 BKN027 OVC037 6.1 3.3 7.8 6.1 82% 3 76.53 1021.1
21 03:53 N 20 16.09 Overcast FEW025 BKN036 OVC140 6.7 2.8 76% 3 76.58 1021.7
21 02:53 N 20 16.09 Overcast BKN026 BKN035 OVC140 6.7 2.8 76% 3 76.53 1021.1
21 01:53 N 17 16.09 Overcast BKN021 BKN029 OVC150 7.2 3.3 77% 5 76.5 1020.6
21 00:53 NE 15 16.09 Overcast SCT019 BKN025 OVC150 7.2 4.4 83% 5 76.45 1020.0
20 23:53 N 20 16.09 Overcast SCT025 OVC150 7.8 4.4 79% 5 76.48 1020.4
20 22:53 NE 17 16.09 Overcast SCT023 BKN160 OVC250 7.8 5 13.9 7.8 83% 5 76.48 1020.5
20 21:53 N 19 16.09 Mostly Cloudy FEW027 SCT035 BKN180 8.3 5.6 83% 6 76.53 1021.0
20 20:53 NW 9 16.09 Mostly Cloudy BKN030 BKN180 10 6.1 77% 9 76.53 1020.9
20 19:53 W 13 16.09 Mostly Cloudy FEW030 SCT055 BKN200 11.1 6.1 72% 76.5 1020.6
20 18:53 W 13 16.09 Mostly Cloudy FEW035 SCT060 BKN210 12.2 5.6 64% 76.5 1020.5
20 17:53 SW 24 16.09 Mostly Cloudy FEW035 SCT070 BKN240 12.8 6.1 64% 76.48 1020.4
20 16:53 SW 22 16.09 Mostly Cloudy FEW025 FEW040 BKN200 13.9 7.8 14.4 11.7 67% 76.48 1020.4 0.25
20 15:53 SW 20 G 37 16.09 Mostly Cloudy FEW025 SCT060 BKN200 13.9 8.9 72% 76.48 1020.4
20 14:53 SW 26 G 39 16.09 Partly Cloudy FEW020 SCT055 SCT200 13.3 9.4 77% 76.48 1020.3
20 13:53 SW 22 16.09 Mostly Cloudy FEW010 BKN021 BKN050 11.7 10 89% 76.5 1020.4 0.03 0.25
20 12:53 SW 26 G 37 2.41 Light Rain Fog/Mist BKN006 BKN010 OVC020 11.7 11.1 96% 76.45 1019.9 0.15
20 11:53 S 22 9.66 Light Rain Fog/Mist FEW007 BKN010 BKN015 12.2 11.1 93% 76.43 1019.4 0.08
20 10:53 S 22 9.66 Light Rain Fog/Mist FEW008 BKN012 OVC021 11.7 11.1 12.2 11.1 96% 76.38 1019.0 0.08 0.51
20 09:53 S 17 9.66 Light Rain Fog/Mist FEW007 BKN011 OVC018 11.1 10.6 97% 76.35 1018.7 0.05
20 08:53 S 15 4.83 Light Rain Fog/Mist BKN007 OVC013 11.1 10 93% 76.33 1018.0 0.15
20 07:53 S 17 9.66 Light Rain Fog/Mist FEW010 OVC025 11.1 10 93% 76.3 1017.9 0.08 0.23
20 06:53 SW 17 11.27 Light Rain SCT025 OVC033 11.1 10 93% 76.28 1017.5 0.15
20 05:53 SW 11 16.09 Overcast OVC034 11.7 10 89% 76.25 1017.1
20 04:53 S 11 16.09 Overcast OVC039 12.2 10 12.8 11.7 87% 76.25 1017.2 0.05
20 03:53 S 9 16.09 Overcast OVC036 12.2 10.6 90% 76.3 1017.8
20 02:53 S 13 16.09 Overcast FEW028 OVC036 12.2 11.1 93% 76.35 1018.4
20 01:53 SW 7 11.27 Light Rain FEW009 OVC026 12.2 11.7 97% 76.33 1018.2 0.05
20 00:53 SE 11 16.09 Overcast FEW009 OVC024 12.2 11.7 97% 76.28 1017.7 0.03
19 23:53 SE 11 16.09 Light Rain FEW007 OVC022 12.2 11.7 97% 76.33 1018.3 0.03
19 22:53 S 13 12.87 Light Rain SCT003 SCT011 OVC022 12.2 11.7 12.2 11.1 97% 76.38 1018.8 0.08 0.38
19 21:53 S 9 12.87 Light Rain FEW005 SCT015 OVC024 12.2 11.7 97% 76.38 1019.0 0.05
19 20:53 S 9 11.27 Light Rain BKN005 OVC019 11.7 11.7 100% 76.4 1019.1 0.08
19 19:53 SE 11 4.83 Light Rain Fog/Mist BKN005 OVC015 11.7 11.1 96% 76.4 1019.3 0.05 0.18
19 18:53 SW 6 8.05 Fog/Mist BKN005 BKN009 OVC017 11.7 11.1 96% 76.43 1019.7 0.05
19 17:53 S 13 4.83 Light Rain Fog/Mist SCT005 BKN008 OVC018 11.1 10.6 97% 76.45 1020.0 0.08
19 16:53 S 11 6.44 Light Rain Fog/Mist BKN010 OVC018 11.1 10.6 11.7 10.6 97% 76.48 1020.2 0.1
19 15:53 SW 11 8.05 Light Rain Fog/Mist SCT003 BKN008 OVC040 11.1 10.6 97% 76.48 1020.3 0.05
19 14:53 S 15 11.27 Light Rain FEW008 BKN016 OVC026 11.1 10 93% 76.5 1020.8
19 13:53 SW 17 9.66 Light Rain Fog/Mist BKN007 BKN012 OVC032 11.1 10 93% 76.56 1021.3 0.03 0.05
19 12:53 S 9 6.44 Light Rain Fog/Mist SCT007 BKN015 OVC035 11.1 10 93% 76.56 1021.4 0.03
19 11:53 S 11 14.48 Mostly Cloudy FEW009 SCT015 BKN036 11.1 10 93% 76.58 1021.6
19 10:53 S 7 9.66 Light Rain Fog/Mist SCT007 BKN015 BKN040 11.1 10 11.1 9.4 93% 76.53 1021.1 0.46
19 09:53 Calm 11.27 Mostly Cloudy FEW005 SCT023 BKN038 10.6 9.4 92% 76.5 1020.7 0.03
19 08:53 S 11 6.44 Light Rain Fog/Mist SCT004 BKN007 OVC018 10 9.4 96% 9 76.53 1021.0 0.13
19 07:53 S 11 8.05 Light Rain Fog/Mist SCT007 BKN015 OVC028 10 9.4 96% 9 76.5 1020.6 0.08 0.3
19 06:53 SW 9 4.02 Light Rain Fog/Mist FEW003 BKN006 OVC013 10 9.4 96% 9 76.48 1020.2 0.15
19 05:53 S 9 8.05 Light Rain Fog/Mist BKN006 OVC011 9.4 9.4 100% 8 76.43 1019.7 0.08
19 04:53 S 11 4.83 Light Rain Fog/Mist BKN003 BKN009 OVC014 10 9.4 10 9.4 96% 9 76.43 1019.4 0.1 0.36
19 03:53 S 9 4.83 Light Rain Fog/Mist BKN006 BKN012 OVC021 10 9.4 96% 9 76.4 1019.3 0.1
19 02:53 SW 11 11.27 Light Rain SCT009 BKN013 OVC027 10 9.4 96% 9 76.43 1019.7 0.03
19 01:53 S 13 16.09 Overcast FEW005 SCT048 OVC080 10 9.4 96% 8 76.4 1019.4 0.03 0.13
19 00:53 S 15 8.05 Light Rain Fog/Mist FEW007 BKN047 OVC075 10 9.4 96% 8 76.45 1019.7 0.1
18 23:53 SE 15 16.09 Light Rain BKN004 BKN017 OVC041 10 9.4 96% 8 76.4 1019.2
18 22:53 SW 17 16.09 Overcast OVC006 10 8.9 12.2 10 93% 8 76.43 1019.5 0.05 0.15
18 21:53 S 19 16.09 Overcast BKN012 BKN070 OVC085 10 9.4 96% 8 76.4 1019.4
18 20:53 S 22 16.09 Mostly Cloudy FEW020 SCT050 BKN070 10 9.4 96% 7 76.4 1019.2 0.1
18 19:53 SW 15 16.09 Light Rain FEW012 BKN020 OVC055 11.1 9.4 89% 76.4 1019.3
18 18:53 SW 15 16.09 Overcast FEW012 BKN018 OVC050 11.7 10 89% 76.38 1018.8
18 17:53 SW 20 16.09 Overcast FEW012 SCT025 OVC055 12.2 11.1 93% 76.33 1018.4
18 16:53 SW 17 16.09 Overcast FEW015 BKN028 OVC055 12.2 11.1 13.9 11.7 93% 76.35 1018.7
18 15:53 S 13 16.09 Light Rain FEW015 BKN025 OVC060 12.8 11.1 90% 76.33 1018.1
18 14:53 S 20 16.09 Light Rain FEW015 BKN025 OVC070 13.3 11.1 87% 76.35 1018.6
18 13:53 S 22 16.09 Mostly Cloudy FEW012 BKN023 BKN070 13.3 11.1 87% 76.38 1019.0
18 12:53 SW 19 16.09 Mostly Cloudy SCT012 BKN020 BKN090 12.8 11.1 90% 76.35 1018.5
18 11:53 SW 17 16.09 Overcast FEW005 BKN012 OVC020 12.2 11.1 93% 76.33 1018.3
18 10:53 SW 20 16.09 Overcast SCT009 BKN015 OVC027 11.7 10.6 11.7 10.6 93% 76.33 1018.1 0.15
Date Time (pdt) Wind (kph) Vis. (km) Weather Sky Cond. Air Dwpt Max. Min. Relative Humidity Wind Chill (°C) Heat Index (°C) altimeter (cm) sea level (mb) 1 hr 3 hr 6 hr
6 hour
Temperature (ºC) Pressure Precipitation (cm)