Weather observations for the past three days for
Chicago, Chicago-O'Hare International Airport
Metric (Imperial)
Date Time (cdt) 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.
22 00:51 SW 26 G 44 16.09 A Few Clouds FEW150 FEW250 20.6 8.3 23.9 20.6 45% 75.13 1001.2
21 23:51 SW 24 G 41 16.09 Partly Cloudy SCT250 21.1 7.2 41% 75.18 1001.9
21 22:51 S 17 G 31 16.09 Mostly Cloudy SCT250 BKN300 21.7 6.7 38% 75.21 1002.4
21 21:51 SW 22 G 33 16.09 Mostly Cloudy BKN250 22.2 6.7 37% 75.23 1002.7
21 20:51 SW 19 16.09 Mostly Cloudy BKN250 22.2 7.2 38% 75.26 1003.3
21 19:51 SW 17 16.09 Mostly Cloudy FEW200 BKN250 22.8 7.2 37% 75.31 1003.8
21 18:51 SW 19 16.09 Mostly Cloudy FEW200 BKN250 23.9 7.2 25 17.2 34% 25 75.31 1004.0
21 17:51 SW 22 G 43 16.09 Mostly Cloudy BKN250 25 7.2 32% 25 75.34 1004.3
21 16:51 S 19 16.09 Mostly Cloudy BKN250 23.3 6.7 34% 75.39 1005.1
21 15:51 S 28 G 43 16.09 Mostly Cloudy FEW100 BKN250 21.7 5.6 35% 75.49 1006.1
21 14:51 S 19 16.09 Partly Cloudy FEW100 SCT250 21.1 5.6 37% 75.57 1007.5
21 13:51 S 20 G 31 16.09 A Few Clouds FEW110 FEW250 18.9 3.9 37% 75.72 1009.3
21 12:51 S 19 16.09 A Few Clouds FEW110 FEW250 16.7 5 16.7 6.7 46% 75.82 1011.1
21 11:51 S 19 14.48 Partly Cloudy FEW110 SCT250 15 6.7 58% 75.9 1011.9
21 10:51 S 11 12.87 Overcast BKN100 OVC250 12.8 5.6 62% 75.97 1012.9
21 09:51 S 9 14.48 Mostly Cloudy BKN120 BKN250 11.7 5 64% 76 1013.4
21 08:51 SE 11 12.87 Mostly Cloudy BKN140 BKN250 9.4 3.9 69% 8 76 1013.5
21 07:51 E 7 14.48 Mostly Cloudy BKN130 BKN250 7.2 2.8 74% 6 76.02 1013.7
21 06:51 E 7 16.09 Overcast BKN130 OVC250 6.7 2.8 7.8 5 76% 6 76 1013.5
21 05:51 E 6 16.09 Overcast BKN150 OVC250 6.1 2.2 76% 76 1013.5
21 04:51 E 7 16.09 Overcast SCT150 BKN180 OVC250 6.7 2.2 73% 6 76.02 1013.6
21 03:51 NE 6 16.09 Overcast SCT170 BKN220 OVC250 7.8 2.2 68% 76.05 1014.0
21 02:51 Calm 16.09 Overcast BKN220 OVC250 6.1 2.2 76% 76.05 1013.8
21 01:51 Calm 16.09 Overcast SCT180 OVC220 6.1 2.2 76% 76.05 1014.0
21 00:51 Calm 16.09 Overcast SCT180 OVC210 6.1 1.7 8.9 5.6 74% 76.07 1014.4
20 23:51 E 6 16.09 Overcast SCT200 OVC250 6.1 1.7 74% 76.1 1014.5
20 22:51 NE 7 16.09 Overcast BKN200 OVC250 6.7 2.2 73% 6 76.07 1014.3
20 21:51 N 7 16.09 Overcast OVC210 7.2 2.2 71% 6 76.07 1014.2
20 20:51 N 13 16.09 Overcast OVC240 7.2 2.2 71% 5 76.05 1014.1
20 19:51 NE 20 16.09 Overcast OVC250 7.8 2.8 71% 5 76.02 1013.7
20 18:51 NE 17 16.09 Overcast OVC250 8.9 3.3 22.2 8.9 68% 7 75.95 1012.6
20 17:51 NE 22 16.09 Overcast OVC250 10.6 3.9 64% 75.9 1012.0
20 16:51 NE 20 16.09 Overcast OVC250 12.8 4.4 57% 75.82 1010.8
20 15:51 NE 30 16.09 Mostly Cloudy BKN250 13.9 5.6 58% 75.74 1009.9
20 14:51 NE 30 G 43 16.09 Mostly Cloudy BKN250 18.3 7.2 49% 75.64 1008.5
20 13:51 NW 17 G 31 16.09 Mostly Cloudy BKN250 21.7 7.8 41% 75.62 1008.1
20 12:51 W 13 16.09 Mostly Cloudy BKN250 20.6 7.2 20.6 10.6 42% 75.59 1007.6
20 11:51 W 15 16.09 Mostly Cloudy FEW200 BKN250 18.3 6.7 47% 75.62 1008.2
20 10:51 W 17 16.09 Mostly Cloudy SCT200 BKN250 16.7 6.7 52% 75.62 1008.3
20 09:51 W 22 G 35 16.09 Mostly Cloudy BKN200 BKN250 15 6.1 56% 75.59 1008.0
20 08:51 SW 20 16.09 Overcast FEW160 OVC250 12.2 5.6 64% 75.59 1008.0
20 07:51 SW 19 G 33 16.09 Overcast SCT160 OVC250 11.1 5 66% 75.62 1008.2
20 06:51 SW 20 16.09 Overcast FEW140 BKN170 OVC250 11.1 5 11.1 4.4 66% 75.64 1008.4
20 04:51 SW 17 16.09 Overcast OVC180 9.4 4.4 71% 7 75.69 1009.4
20 03:51 SW 13 16.09 Partly Cloudy FEW150 SCT250 7.2 3.3 77% 5 75.77 1010.1
20 02:51 SW 9 16.09 A Few Clouds FEW150 FEW250 7.2 2.2 71% 6 75.84 1011.1
20 01:51 SW 7 16.09 Mostly Cloudy FEW150 BKN250 4.4 0.6 77% 3 75.92 1012.4
20 00:51 Calm 16.09 NULL NULL 5 0.6 8.3 4.4 73% 76.02 1013.5
19 23:51 Calm 16.09 Mostly Cloudy BKN250 5 0.6 73% 76.07 1014.3
19 22:51 Calm 16.09 Mostly Cloudy BKN250 5 0 70% 76.12 1015.2
19 21:51 E 7 16.09 Partly Cloudy SCT250 5.6 -0.6 65% 4 76.2 1016.3
19 20:51 E 7 16.09 A Few Clouds FEW250 5.6 -0.6 65% 4 76.25 1017.0
19 19:51 E 15 16.09 A Few Clouds FEW250 6.7 -0.6 60% 4 76.3 1017.5
19 18:51 E 11 16.09 A Few Clouds FEW250 8.3 -1.1 16.7 8.3 52% 7 76.3 1017.5
19 17:51 E 13 16.09 Mostly Cloudy BKN250 10 -0.6 48% 8 76.35 1018.1
19 16:51 E 15 16.09 Mostly Cloudy BKN250 11.7 0.6 47% 76.35 1018.2
19 15:51 E 17 16.09 Mostly Cloudy BKN250 12.8 1.1 45% 76.33 1017.8
19 14:51 NE 19 16.09 Mostly Cloudy BKN250 13.3 1.7 46% 76.33 1018.1
19 13:51 E 7 16.09 A Few Clouds FEW250 16.7 2.8 40% 76.38 1018.3
19 12:51 E 6 16.09 A Few Clouds FEW250 15 2.2 15 2.2 42% 76.4 1018.8
19 11:51 SE 6 16.09 A Few Clouds FEW250 13.3 1.7 46% 76.4 1018.8
19 10:51 E 6 16.09 A Few Clouds FEW180 FEW250 10.6 0.6 50% 76.43 1019.2
19 09:51 S 7 16.09 Partly Cloudy FEW070 SCT180 SCT250 8.3 0.6 59% 7 76.4 1019.1
19 08:51 S 9 16.09 Partly Cloudy FEW060 FEW120 SCT250 5.6 0 68% 4 76.38 1018.7
19 07:51 S 6 14.48 Partly Cloudy FEW060 FEW110 SCT250 2.8 -1.1 76% 76.33 1018.3
19 05:51 SW 11 14.48 Partly Cloudy FEW070 SCT120 2.8 -1.1 76% 0 76.28 1017.5
19 04:51 SE 7 14.48 Mostly Cloudy BKN120 2.2 -1.7 76% 0 76.25 1017.1
19 03:51 Calm 16.09 Overcast SCT120 OVC250 1.1 -1.7 82% 76.3 1017.7
19 02:51 Calm 16.09 Overcast SCT110 OVC250 2.2 -1.7 76% 76.3 1017.7
19 01:51 Calm 16.09 Overcast SCT120 BKN180 OVC250 2.8 -1.7 73% 76.3 1017.8
Date Time (cdt) 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)