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 21:53 NE 15 6.44 Light Rain Fog/Mist OVC018 11.1 10 93% 75.79 1011.2 0.03
21 20:53 Calm 12.87 Light Rain SCT013 OVC028 11.7 9.4 86% 75.79 1011.0
21 19:53 SW 13 16.09 Overcast SCT022 BKN028 OVC037 13.3 9.4 77% 75.74 1010.2
21 18:53 SW 11 16.09 Mostly Cloudy FEW034 BKN060 BKN080 13.9 8.9 72% 75.77 1010.7
21 17:53 SW 11 16.09 Overcast FEW031 OVC060 13.3 9.4 77% 75.77 1010.7
21 16:53 SW 17 16.09 Overcast BKN023 OVC065 14.4 9.4 15.6 12.8 72% 75.77 1010.9
21 15:53 SW 19 16.09 Mostly Cloudy FEW020 SCT070 BKN110 BKN150 14.4 9.4 72% 75.74 1010.4
21 14:53 S 19 16.09 Mostly Cloudy FEW040 SCT060 BKN110 BKN200 14.4 9.4 72% 75.72 1010.1
21 13:53 SW 24 16.09 Mostly Cloudy FEW045 SCT080 BKN130 BKN200 13.9 9.4 74% 75.72 1010.1
21 12:53 SW 17 16.09 Mostly Cloudy FEW040 SCT060 BKN095 BKN130 BKN200 14.4 7.8 65% 75.74 1010.3
21 11:53 SW 13 16.09 Mostly Cloudy FEW040 BKN060 BKN100 BKN160 13.9 6.7 62% 75.72 1010.0
21 10:53 S 11 16.09 Mostly Cloudy FEW030 SCT060 BKN100 BKN160 BKN240 13.3 3.9 13.3 10 53% 75.72 1010.1
21 09:53 S 7 16.09 Mostly Cloudy FEW030 SCT100 BKN150 BKN200 12.2 5 62% 75.69 1009.7
21 08:53 S 13 16.09 Mostly Cloudy FEW030 FEW110 SCT150 BKN180 BKN250 11.7 5 64% 75.72 1009.8
21 07:53 S 11 16.09 Mostly Cloudy FEW020 FEW110 SCT140 BKN170 BKN250 11.1 5.6 69% 75.69 1009.5
21 06:53 S 11 16.09 Mostly Cloudy FEW120 SCT140 BKN170 BKN250 10.6 6.1 74% 75.67 1009.3
21 05:53 SE 11 16.09 Mostly Cloudy BKN140 BKN250 10 6.7 80% 9 75.64 1008.9
21 04:53 SE 11 16.09 Mostly Cloudy BKN120 10.6 7.2 16.1 10.6 80% 75.67 1009.4
21 03:53 SW 9 16.09 Partly Cloudy SCT250 10.6 7.2 80% 75.72 1009.9
21 02:53 S 11 16.09 Fair CLR 11.1 7.2 77% 75.67 1009.4
21 01:53 SW 11 16.09 Partly Cloudy SCT250 12.2 6.7 69% 75.72 1009.9
21 00:53 S 13 16.09 Mostly Cloudy SCT120 BKN250 12.8 6.7 67% 75.74 1010.2
20 23:53 SW 15 16.09 Mostly Cloudy SCT120 BKN250 15 5 51% 75.72 1009.8
20 22:53 SW 13 16.09 Mostly Cloudy SCT120 BKN250 16.1 5.6 22.2 15.6 50% 75.69 1009.8
20 21:53 S 11 16.09 Mostly Cloudy SCT120 BKN250 16.7 6.1 50% 75.69 1009.5
20 20:53 SW 9 16.09 Partly Cloudy SCT130 SCT250 17.8 6.1 46% 75.64 1008.8
20 19:53 Vrbl 6 16.09 Mostly Cloudy FEW120 BKN140 BKN250 18.9 6.7 45% 75.59 1008.4
20 18:53 SW 15 16.09 Mostly Cloudy FEW120 BKN150 BKN250 19.4 7.2 45% 75.64 1009.0
20 17:53 S 15 16.09 Mostly Cloudy FEW120 BKN180 BKN250 21.1 6.7 39% 75.62 1008.7
20 16:53 W 6 16.09 Mostly Cloudy FEW130 BKN180 BKN250 21.1 6.1 21.7 16.1 38% 75.59 1008.4
20 15:53 Calm 16.09 Mostly Cloudy FEW150 SCT180 BKN250 21.1 7.8 42% 75.62 1008.4
20 14:53 W 7 16.09 Mostly Cloudy FEW150 BKN190 BKN250 19.4 7.8 47% 75.64 1008.9
20 13:53 N 9 16.09 Mostly Cloudy FEW150 BKN170 BKN200 18.9 7.2 47% 75.62 1008.6
20 12:53 Vrbl 6 16.09 Mostly Cloudy FEW140 BKN170 BKN190 17.8 7.8 52% 75.64 1008.8
20 11:53 N 6 16.09 Mostly Cloudy FEW130 BKN170 16.7 6.7 52% 75.67 1009.2
20 10:53 N 15 16.09 Mostly Cloudy FEW130 BKN160 BKN240 16.1 6.1 16.1 12.2 52% 75.67 1009.1
20 09:53 NE 9 16.09 Mostly Cloudy FEW130 SCT150 BKN230 14.4 6.1 58% 75.69 1009.7
20 08:53 E 11 16.09 Mostly Cloudy SCT140 BKN210 13.3 5.6 60% 75.69 1009.7
20 07:53 N 9 16.09 Mostly Cloudy BKN140 BKN230 12.8 5 59% 75.72 1009.9
20 06:53 N 17 16.09 Mostly Cloudy SCT140 BKN190 BKN230 12.2 4.4 59% 75.69 1009.6
20 05:53 N 17 16.09 Mostly Cloudy SCT140 BKN190 BKN230 12.8 4.4 57% 75.69 1009.5
20 04:53 N 19 16.09 Overcast BKN210 OVC250 13.3 5 15.6 13.3 57% 75.72 1009.9
20 03:53 NE 26 16.09 Mostly Cloudy BKN250 13.9 6.1 60% 75.74 1010.3
20 02:53 N 24 16.09 Mostly Cloudy BKN250 13.9 6.1 60% 75.79 1010.8
20 01:53 N 20 16.09 Mostly Cloudy SCT160 BKN250 15 5.6 54% 75.82 1011.3
20 00:53 NE 9 16.09 Partly Cloudy FEW160 SCT250 14.4 6.7 60% 75.87 1011.9
19 23:53 NE 17 16.09 Mostly Cloudy SCT180 BKN250 15.6 6.1 53% 75.87 1012.0
19 22:53 N 9 16.09 Partly Cloudy FEW180 SCT250 16.1 6.1 23.3 15 52% 75.87 1012.1
19 21:53 Calm 16.09 Mostly Cloudy FEW140 BKN180 15.6 5.6 52% 75.9 1012.3
19 20:53 N 9 16.09 Mostly Cloudy FEW140 BKN180 16.1 6.1 52% 75.82 1011.4
19 19:53 W 13 16.09 Mostly Cloudy FEW140 BKN180 19.4 7.2 45% 75.74 1010.2
19 18:53 SW 6 16.09 Mostly Cloudy FEW140 BKN220 21.7 5 34% 75.72 1009.8
19 17:53 NW 13 16.09 Mostly Cloudy FEW140 BKN220 22.2 5.6 34% 75.69 1009.6
19 16:53 NW 17 16.09 Mostly Cloudy FEW140 BKN220 23.3 6.1 23.3 16.7 33% 75.69 1009.5
19 15:53 NW 22 G 37 16.09 Mostly Cloudy FEW030 SCT130 BKN220 22.8 6.1 34% 75.69 1009.7
19 14:53 W 19 16.09 Mostly Cloudy FEW080 SCT130 BKN220 22.2 7.2 38% 75.69 1009.8
19 13:53 N 17 G 33 16.09 Mostly Cloudy FEW080 SCT130 BKN220 22.2 5.6 34% 75.72 1010.0
19 12:53 N 20 16.09 Mostly Cloudy FEW070 SCT130 BKN240 20.6 5.6 38% 75.77 1010.5
19 11:53 N 19 16.09 Mostly Cloudy FEW080 SCT120 BKN250 18.9 5 40% 75.82 1011.4
19 10:53 N 17 16.09 Mostly Cloudy FEW070 SCT120 BKN250 16.7 5 16.7 7.2 46% 75.84 1011.8
19 09:53 N 15 16.09 Mostly Cloudy FEW100 SCT160 BKN240 14.4 5.6 56% 75.87 1011.9
19 08:53 N 11 16.09 Mostly Cloudy FEW080 SCT160 BKN220 12.8 5 59% 75.87 1011.8
19 07:53 N 9 16.09 Mostly Cloudy FEW090 SCT150 BKN230 10.6 5 69% 75.84 1011.5
19 06:53 N 11 16.09 Mostly Cloudy FEW070 SCT150 BKN220 8.9 3.9 71% 7 75.79 1011.2
19 05:53 N 9 16.09 Partly Cloudy SCT220 8.3 4.4 77% 7 75.79 1011.0
19 04:53 N 17 16.09 Partly Cloudy SCT230 10 5 13.9 7.8 71% 8 75.82 1011.4
19 03:53 N 11 16.09 Partly Cloudy SCT230 8.3 3.9 74% 7 75.87 1012.1
19 02:53 Calm 16.09 A Few Clouds FEW230 10 3.3 63% 75.9 1012.3
19 01:53 N 11 16.09 Partly Cloudy SCT230 10 3.3 63% 9 75.9 1012.4
19 00:53 N 13 16.09 Fair CLR 10.6 3.3 61% 75.9 1012.5
18 23:53 N 11 16.09 Fair CLR 11.1 3.9 61% 75.9 1012.5
18 22:53 N 11 16.09 Fair CLR 13.9 3.3 20 13.9 49% 75.92 1012.8
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)