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.
10 07:53 NE 6 16.09 Fair CLR 20 13.3 65% 76.68 1022.7
10 06:53 NE 9 16.09 Fair CLR 17.8 12.8 73% 76.66 1022.4
10 05:53 N 9 16.09 Fair CLR 17.2 12.2 73% 76.63 1022.1
10 04:53 NE 7 16.09 Fair CLR 17.8 12.2 21.1 17.2 70% 76.63 1021.9
10 03:53 NE 19 16.09 Fair CLR 18.3 11.7 66% 76.63 1021.9
10 02:53 NE 22 16.09 Fair CLR 18.9 11.7 63% 76.63 1022.0
10 01:53 NE 19 16.09 A Few Clouds FEW250 19.4 11.7 61% 76.61 1021.8
10 00:53 NE 20 16.09 A Few Clouds FEW250 20 12.2 61% 76.63 1022.0
09 23:53 N 19 16.09 A Few Clouds FEW250 20.6 12.8 61% 76.63 1022.0
09 22:53 N 13 16.09 Partly Cloudy SCT250 20.6 11.7 26.7 20.6 57% 76.63 1022.0
09 21:53 N 11 16.09 Partly Cloudy SCT250 20.6 11.7 57% 76.61 1021.9
09 20:53 NW 13 16.09 Partly Cloudy SCT250 22.2 11.7 52% 76.61 1021.7
09 19:53 N 15 16.09 Partly Cloudy SCT250 23.9 11.1 45% 25 76.58 1021.5
09 18:53 N 24 16.09 Partly Cloudy SCT250 25.6 10.6 39% 26 76.58 1021.4
09 17:53 N 20 16.09 Partly Cloudy SCT250 26.7 11.1 38% 27 76.58 1021.3
09 16:53 NW 17 16.09 Mostly Cloudy BKN250 26.1 11.1 27.2 21.7 39% 26 76.58 1021.4
09 15:53 N 15 16.09 Mostly Cloudy BKN250 26.1 11.7 41% 26 76.63 1022.0
09 14:53 N 15 16.09 Mostly Cloudy BKN250 25.6 11.7 42% 26 76.66 1022.4
09 13:53 N 19 G 28 16.09 Mostly Cloudy BKN250 24.4 11.7 45% 26 76.68 1022.8
09 12:53 NW 15 16.09 Mostly Cloudy BKN250 23.3 11.7 48% 76.68 1022.9
09 11:53 Vrbl 11 16.09 Partly Cloudy SCT250 22.8 10.6 46% 76.68 1022.7
09 10:53 N 13 16.09 Partly Cloudy SCT250 21.1 10.6 21.7 14.4 51% 76.68 1022.9
09 09:53 NE 11 16.09 Partly Cloudy SCT250 20 10 53% 76.71 1023.0
09 08:53 NE 7 16.09 Partly Cloudy SCT250 18.9 10.6 59% 76.71 1023.0
09 07:53 NE 7 16.09 Mostly Cloudy BKN250 17.2 11.1 68% 76.68 1022.6
09 06:53 NE 13 16.09 Mostly Cloudy BKN250 16.1 10.6 70% 76.63 1022.1
09 05:53 N 13 16.09 Mostly Cloudy BKN250 14.4 10 75% 76.63 1022.0
09 04:53 N 13 16.09 Fair CLR 14.4 10 19.4 14.4 75% 76.61 1021.7
09 03:53 N 9 16.09 Mostly Cloudy BKN250 15 10 72% 76.61 1021.7
09 02:53 N 11 16.09 Mostly Cloudy BKN250 16.1 10 67% 76.61 1021.8
09 01:53 NE 17 16.09 Mostly Cloudy BKN250 17.2 10 63% 76.63 1021.9
09 00:53 N 15 16.09 Partly Cloudy SCT250 17.8 10 60% 76.66 1022.3
08 23:53 NE 19 16.09 Partly Cloudy SCT250 18.3 10 59% 76.63 1022.2
08 22:53 N 15 16.09 Overcast BKN090 OVC200 19.4 10 25 19.4 55% 76.63 1022.1
08 21:53 N 17 16.09 Mostly Cloudy FEW100 BKN200 20 9.4 51% 76.63 1022.0
08 20:53 N 13 16.09 Mostly Cloudy FEW100 BKN200 21.1 8.9 46% 76.61 1021.8
08 19:53 N 13 16.09 Mostly Cloudy FEW100 BKN220 22.2 7.8 40% 76.61 1021.7
08 18:53 N 17 16.09 Mostly Cloudy FEW100 BKN220 23.9 7.8 36% 25 76.58 1021.5
08 17:53 N 19 16.09 Mostly Cloudy FEW100 BKN250 23.9 6.7 33% 25 76.61 1021.9
08 16:53 N 15 16.09 Mostly Cloudy FEW040 BKN250 24.4 8.3 25 18.9 36% 25 76.63 1022.0
08 15:53 W 13 16.09 Partly Cloudy FEW040 SCT250 24.4 8.9 37% 25 76.63 1022.1
08 14:53 W 17 16.09 Partly Cloudy FEW040 SCT250 23.3 10.6 45% 76.66 1022.4
08 13:53 NW 11 16.09 Partly Cloudy FEW030 FEW070 SCT250 22.2 10 46% 76.68 1022.6
08 12:53 W 13 16.09 Partly Cloudy FEW020 FEW070 SCT250 21.1 10.6 51% 76.71 1023.1
08 11:53 Vrbl 6 16.09 A Few Clouds FEW015 FEW250 20 10.6 55% 76.73 1023.6
08 10:53 NW 11 16.09 A Few Clouds FEW010 FEW250 19.4 10.6 19.4 12.2 57% 76.78 1024.1
08 09:53 NE 13 16.09 A Few Clouds FEW010 FEW250 18.3 9.4 56% 76.78 1024.2
08 08:53 N 11 16.09 A Few Clouds FEW250 16.1 10 67% 76.78 1024.1
08 07:53 E 13 16.09 A Few Clouds FEW250 14.4 10.6 78% 76.78 1024.1
08 06:53 NE 11 16.09 A Few Clouds FEW250 13.9 10 78% 76.76 1024.0
08 05:53 NE 13 16.09 A Few Clouds FEW060 FEW250 13.3 10 81% 76.76 1023.8
08 04:53 N 7 16.09 A Few Clouds FEW250 12.8 10 16.7 12.8 83% 76.76 1023.9
08 03:53 NE 9 16.09 A Few Clouds FEW250 13.9 10.6 81% 76.76 1023.8
08 02:53 N 7 16.09 A Few Clouds FEW250 14.4 10.6 78% 76.76 1023.9
08 01:53 NE 17 16.09 A Few Clouds FEW250 15 10.6 75% 76.78 1024.1
08 00:53 N 13 16.09 Partly Cloudy FEW050 SCT250 16.1 10.6 70% 76.78 1024.1
07 23:53 NE 19 16.09 Partly Cloudy SCT055 SCT250 16.7 10.6 67% 76.78 1024.2
07 22:53 N 9 16.09 Partly Cloudy SCT055 SCT200 16.7 8.9 21.1 16.7 60% 76.78 1024.1
07 20:53 N 7 16.09 Partly Cloudy SCT070 SCT200 17.2 7.8 54% 76.78 1024.1
07 19:53 W 9 16.09 Mostly Cloudy FEW048 BKN070 BKN200 18.9 7.8 49% 76.73 1023.7
07 18:53 NW 7 16.09 Partly Cloudy FEW049 SCT075 SCT200 18.3 8.3 52% 76.73 1023.7
07 17:53 NW 9 16.09 Partly Cloudy SCT049 SCT200 20.6 8.3 45% 76.76 1023.6
07 16:53 SW 7 16.09 Partly Cloudy SCT045 SCT200 20 8.3 21.1 14.4 47% 76.76 1023.7
07 15:53 W 11 16.09 Partly Cloudy FEW039 SCT050 20 9.4 51% 76.76 1023.9
07 14:53 SW 7 16.09 Mostly Cloudy FEW020 BKN050 18.3 9.4 56% 76.78 1024.2
07 13:53 W 9 16.09 Mostly Cloudy SCT020 BKN042 17.2 11.1 68% 76.81 1024.5
07 12:53 W 9 16.09 Mostly Cloudy SCT020 BKN043 16.7 10.6 67% 76.81 1024.6
07 11:53 NE 6 16.09 Mostly Cloudy FEW010 BKN035 BKN050 15.6 10 70% 76.81 1024.5
07 10:53 NE 20 16.09 Overcast SCT010 BKN042 OVC055 15 11.1 15 14.4 78% 76.81 1024.5
07 09:53 NE 20 16.09 Overcast FEW012 BKN026 OVC039 14.4 10.6 78% 76.76 1024.0
07 08:53 NE 17 16.09 Overcast BKN019 BKN026 OVC038 14.4 10.6 78% 76.71 1023.3
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)