Weather observations for the past three days for
Chicago, Chicago-O'Hare International Airport
Imperial (Metric)
Date Time (cdt) Wind (mph) Vis. (mi.) Weather Sky Cond. Temperature (ºF) Relative Humidity Wind Chill (°F) Heat Index (°F) Pressure Precipitation (in)
Air Dwpt 6 hour altimeter (in) sea level (mb) 1 hr 3 hr 6 hr
Max. Min.
21 01:51 S 12 G 21 10.00 Mostly Cloudy BKN250 51.1 28 41% 30.07 1018.4
21 00:51 S 9 10.00 Mostly Cloudy BKN250 51.1 28 55 50 41% 30.09 1019.1
20 23:51 S 10 10.00 Mostly Cloudy BKN250 50 28 43% 46 30.09 1019.3
20 22:51 S 10 G 18 10.00 Mostly Cloudy BKN240 51.1 27 39% 30.11 1019.9
20 21:51 S 13 G 17 10.00 A Few Clouds FEW170 FEW250 52 27 38% 30.13 1020.6
20 20:51 S 9 10.00 Partly Cloudy FEW170 SCT250 53.1 26.1 35% 30.13 1020.6
20 19:51 S 9 G 18 10.00 Mostly Cloudy SCT170 BKN250 54 25 33% 30.13 1020.6
20 18:51 S 13 10.00 Mostly Cloudy SCT170 BKN250 55 24.1 55.9 50 30% 30.16 1021.7
20 17:51 S 8 10.00 Mostly Cloudy SCT210 BKN250 55.9 24.1 29% 30.19 1022.8
20 16:51 S 8 G 20 10.00 Mostly Cloudy SCT180 BKN250 55.9 23 28% 30.22 1023.8
20 15:51 SW 14 G 20 10.00 Partly Cloudy SCT250 55 21.9 28% 30.24 1024.5
20 14:51 S 10 10.00 Partly Cloudy SCT250 53.1 23 31% 30.28 1025.6
20 13:51 SW 8 G 18 10.00 A Few Clouds FEW060 FEW250 52 21 30% 30.29 1026.1
20 12:51 S 8 10.00 Partly Cloudy FEW055 SCT250 51.1 19.9 51.1 37 29% 30.32 1027.0
20 11:51 S 8 10.00 Partly Cloudy FEW047 SCT250 48 19 32% 45 30.34 1027.8
20 10:51 S 6 10.00 Partly Cloudy FEW044 SCT050 SCT250 48 23 37% 46 30.35 1028.0
20 09:51 S 8 10.00 Partly Cloudy SCT039 SCT250 44.1 25 47% 40 30.35 1028.2
20 08:51 SE 7 10.00 Partly Cloudy FEW038 SCT250 44.1 28.9 55% 41 30.36 1028.3
20 07:51 SE 6 10.00 A Few Clouds FEW250 41 28.9 62% 38 30.36 1028.3
20 06:51 E 3 10.00 A Few Clouds FEW250 37 30 39 33.1 76% 30.34 1027.8
20 05:51 N 3 10.00 Fair CLR 36 28 73% 30.31 1027.0
20 04:51 Calm 10.00 Fair CLR 35.1 30 82% 30.29 1026.2
20 03:51 Calm 10.00 Fair CLR 34 28 79% 30.28 1025.9
20 02:51 SW 3 10.00 Fair CLR 35.1 28.9 78% 30.27 1025.4
20 01:51 Calm 10.00 Fair CLR 37 28 70% 30.27 1025.4
20 00:51 Calm 10.00 Fair CLR 39 27 46.9 37.9 62% 30.26 1025.1
19 23:51 E 5 10.00 A Few Clouds FEW085 39.9 26.1 58% 37 30.25 1024.7
19 22:51 E 7 10.00 Partly Cloudy SCT085 39.9 27 60% 36 30.23 1024.2
19 21:51 E 5 10.00 Mostly Cloudy BKN085 39.9 28.9 65% 37 30.22 1023.9
19 20:51 Calm 10.00 Mostly Cloudy FEW075 BKN090 43 25 49% 30.2 1022.9
19 19:51 N 8 10.00 Mostly Cloudy SCT075 BKN090 BKN250 46 17.1 31% 42 30.17 1021.9
19 18:51 N 9 10.00 Mostly Cloudy BKN075 BKN090 BKN250 46 24.1 50 41 42% 42 30.15 1021.4 0.01
19 17:51 NW 13 G 24 10.00 Mostly Cloudy SCT060 BKN085 BKN250 46.9 25 42% 42 30.13 1020.9
19 16:51 NW 10 G 24 10.00 Mostly Cloudy FEW045 BKN065 BKN090 BKN250 48 23 37% 44 30.13 1020.5
19 15:51 N 18 G 30 10.00 Mostly Cloudy SCT055 BKN075 BKN090 BKN250 46 30.9 56% 39 30.13 1020.6 0.01
19 14:51 NW 13 G 25 10.00 Mostly Cloudy FEW020 SCT047 BKN090 BKN250 48 28.9 48% 43 30.12 1020.2
19 13:51 W 8 10.00 Light Rain FEW017 BKN033 BKN075 BKN250 43 34 71% 39 30.12 1020.5 0.01
19 12:51 W 18 G 30 10.00 Mostly Cloudy SCT047 BKN070 BKN250 48 26.1 48.9 37 42% 42 30.1 1019.6
19 11:51 W 17 G 35 10.00 Light Rain BKN050 OVC250 44.1 28 53% 37 30.12 1020.4
19 10:51 W 14 G 28 10.00 Mostly Cloudy FEW075 SCT100 BKN250 48 23 37% 43 30.1 1019.6
19 09:51 W 17 G 30 10.00 Mostly Cloudy FEW060 SCT080 BKN250 46 19 34% 40 30.1 1019.8
19 08:51 SW 8 10.00 Mostly Cloudy BKN090 BKN250 44.1 26.1 49% 40 30.09 1019.4
19 07:51 SW 7 10.00 Mostly Cloudy FEW100 BKN250 41 27 57% 37 30.1 1019.5
19 06:51 SW 7 10.00 A Few Clouds FEW100 37 27 39.9 36 67% 32 30.09 1019.3
19 05:51 SW 6 10.00 Fair CLR 36 27 70% 32 30.08 1019.0
19 04:51 SW 7 10.00 Fair CLR 37 26.1 65% 32 30.08 1019.1
19 03:51 SW 6 10.00 Fair CLR 37 27 67% 33 30.08 1019.0
19 02:51 SW 7 10.00 Fair CLR 37.9 26.1 62% 33 30.07 1018.6
19 01:51 SW 6 10.00 Fair CLR 39 26.1 60% 35 30.07 1018.5
19 00:51 W 6 10.00 Fair CLR 39.9 26.1 46 39.9 58% 36 30.07 1018.5
18 23:51 W 6 10.00 Fair CLR 42.1 24.1 49% 39 30.06 1018.3
18 22:51 W 7 10.00 Fair CLR 42.1 25 51% 38 30.06 1018.3
18 21:51 W 10 10.00 Fair CLR 43 25 49% 38 30.05 1018.0
18 20:51 W 14 G 23 10.00 A Few Clouds FEW050 44.1 24.1 45% 38 30.03 1017.2
18 19:51 W 14 G 30 10.00 A Few Clouds FEW050 FEW250 45 25 46% 39 30 1016.3
18 18:51 W 24 G 37 10.00 Partly Cloudy and Breezy SCT050 SCT250 46 23 51.1 46 40% 38 29.98 1015.5
18 17:51 W 20 G 32 10.00 A Few Clouds FEW050 FEW250 48 26.1 42% 42 29.96 1014.7
18 16:51 W 22 G 37 10.00 Partly Cloudy and Breezy SCT047 SCT250 48.9 28 44% 42 29.93 1013.6
18 15:51 W 22 G 31 10.00 Mostly Cloudy and Breezy BKN048 BKN250 48.9 28.9 46% 42 29.91 1013.0
18 14:51 W 22 G 32 10.00 Mostly Cloudy and Breezy BKN046 BKN250 48.9 28.9 46% 42 29.91 1012.8
18 13:51 W 15 G 31 10.00 A Few Clouds FEW039 FEW250 48.9 30 48% 44 29.91 1012.7
18 12:51 W 16 G 30 10.00 Partly Cloudy SCT034 SCT250 48 30 48 44.1 50% 42 29.89 1012.1
18 11:51 W 17 G 25 10.00 Partly Cloudy SCT029 SCT250 46 30.9 56% 40 29.87 1011.6
18 10:51 W 15 G 28 10.00 Mostly Cloudy SCT026 BKN250 45 32 61% 39 29.86 1011.1
18 09:51 W 15 G 22 10.00 Mostly Cloudy FEW024 SCT120 SCT220 BKN250 44.1 33.1 65% 38 29.82 1009.7
18 08:51 W 16 G 29 10.00 Overcast SCT024 SCT100 BKN210 OVC250 45 35.1 68% 38 29.8 1009.0
18 07:51 W 16 G 25 10.00 Overcast SCT024 SCT070 SCT130 OVC220 46 36 68% 40 29.76 1007.7
18 06:51 W 16 G 25 10.00 Overcast BKN017 OVC050 46.9 39.9 63 46.9 77% 41 29.73 1006.6 0.11
18 05:51 W 16 G 25 10.00 Overcast OVC011 48.9 44.1 83% 44 29.68 1004.9
18 04:51 W 16 G 24 10.00 Overcast OVC009 51.1 46.9 86% 29.66 1003.9
18 03:51 W 15 G 24 10.00 Overcast BKN009 OVC036 55.9 53.1 90% 29.63 1003.0 0.11
18 02:51 SW 20 G 28 10.00 Overcast FEW008 BKN016 OVC120 61 57.9 90% 29.59 1001.7 0.03
Date Time (cdt) Wind (mph) Vis. (mi.) Weather Sky Cond. Air Dwpt Max. Min. Relative Humidity Wind Chill (°F) Heat Index (°F) altimeter (in) sea level (mb) 1 hr 3 hr 6 hr
6 hour
Temperature (ºF) Pressure Precipitation (in)