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.
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
18 01:51 SW 8 5.00 Rain Fog/Mist BKN075 OVC090 62.1 59 90% 29.58 1001.3 0.08
18 00:51 SW 18 G 29 10.00 Light Rain FEW070 OVC100 63 59 78.1 62.1 87% 29.63 1002.9 0.5
17 23:51 SW 14 G 24 10.00 Light Rain SCT070 OVC130 62.1 59 90% 29.59 1001.7 0.12
17 22:51 SW 15 G 26 5.00 Thunderstorm Rain Fog/Mist FEW040CB BKN080 OVC150 63 60.1 90% 29.67 1004.2 0.19
17 21:51 SW 15 G 47 3.00 Thunderstorm Heavy Rain Fog/Mist BKN043CB BKN060 OVC100 64.9 60.1 84% 29.66 1004.2 0.18 0.19
17 20:51 S 10 8.00 Thunderstorm Light Rain BKN049CB BKN070 BKN100 OVC130 73.9 64.9 74% 29.62 1002.7 0.01
17 19:51 S 20 G 32 10.00 Overcast SCT055 BKN150 OVC250 77 63 62% 79 29.6 1001.9
17 18:51 S 21 G 32 10.00 Overcast and Breezy FEW055 SCT150 OVC250 78.1 62.1 81 77 58% 80 29.61 1002.5
17 17:51 S 23 G 33 10.00 Overcast and Breezy SCT055 OVC250 79 61 54% 80 29.65 1003.6
17 16:51 S 23 G 39 10.00 Overcast and Breezy SCT055 OVC250 80.1 60.1 51% 81 29.65 1003.7
17 15:51 S 14 G 32 10.00 Overcast SCT047 OVC250 80.1 60.1 51% 81 29.71 1005.8
17 14:51 S 21 G 32 10.00 Mostly Cloudy and Breezy SCT047 BKN250 78.1 61 56% 80 29.73 1006.7
17 13:51 S 16 G 31 10.00 Mostly Cloudy FEW038 BKN055 BKN250 77 62.1 60% 79 29.81 1009.3
17 12:51 S 14 G 25 10.00 Mostly Cloudy FEW035 FEW060 BKN250 77 61 77 50 58% 79 29.84 1010.1
17 11:51 S 16 G 25 10.00 Mostly Cloudy BKN250 73 61 66% 29.86 1010.9
17 10:51 S 8 10.00 Mostly Cloudy BKN250 72 59 64% 29.89 1011.9
17 09:51 SE 10 10.00 Mostly Cloudy BKN250 68 55.9 65% 29.9 1012.3
17 08:51 SE 10 7.00 Mostly Cloudy BKN250 62.1 54 75% 29.91 1012.7
17 07:51 SE 5 4.00 Fog/Mist BKN250 55.9 52 87% 29.91 1012.9
17 06:51 SE 5 2.00 Fog/Mist FEW002 FEW250 50 50 50 48.9 100% 49 29.92 1013.1
17 05:51 SE 5 0.50 Fog BKN000 50 48.9 96% 49 29.91 1012.8
17 04:51 E 5 0.13 Fog VV002 50 48.9 96% 49 29.91 1012.8
17 03:51 SE 3 0.50 Fog BKN002 48.9 48 97% 29.91 1012.9
17 02:51 E 5 0.50 Fog BKN002 48.9 48.9 100% 48 29.92 1013.3
17 01:51 E 3 0.13 Fog VV001 48.9 48.9 100% 29.94 1013.7
17 00:51 E 5 0.25 Fog OVC002 48.9 48 59 48.9 97% 48 29.94 1013.8
16 23:51 E 6 1.00 Fog/Mist BKN005 50 48.9 96% 48 29.95 1014.0
16 22:51 E 5 9.00 Partly Cloudy SCT005 51.1 48.9 92% 29.94 1013.9
16 21:51 E 6 10.00 A Few Clouds FEW005 51.1 48.9 92% 29.93 1013.5
16 20:51 E 7 10.00 A Few Clouds FEW005 53.1 48.9 86% 29.91 1012.7
16 19:51 NE 7 10.00 A Few Clouds FEW005 FEW045 54 51.1 90% 29.89 1012.1
16 18:51 E 7 10.00 Partly Cloudy FEW005 SCT045 59 53.1 73.9 59 81% 29.87 1011.5
16 17:51 NE 13 10.00 Mostly Cloudy BKN047 64 55 73% 29.85 1010.7
16 16:51 NE 9 10.00 Mostly Cloudy BKN045 73.9 53.1 48% 29.83 1009.9
16 15:51 W 14 10.00 Mostly Cloudy BKN043TCU BKN070 71.1 54 55% 29.81 1009.3
16 14:51 W 12 G 18 10.00 Mostly Cloudy BKN045TCU BKN060 72 55.9 57% 29.8 1009.0
16 13:51 W 15 G 23 10.00 Mostly Cloudy SCT031 SCT050 BKN080 71.1 55.9 59% 29.79 1008.6
16 12:51 W 12 G 18 10.00 Mostly Cloudy FEW027 SCT042 BKN055 70 60.1 70 60.1 71% 29.78 1008.2 0.07
16 11:51 SW 13 G 23 10.00 Mostly Cloudy BKN017 BKN042TCU 66.9 60.1 79% 29.77 1008.0
16 10:51 SW 12 G 22 10.00 Mostly Cloudy FEW016 SCT024 BKN049 64.9 61 87% 29.76 1007.6 0.07
16 09:51 SW 10 G 22 10.00 Mostly Cloudy SCT016 BKN043 66 60.1 81% 29.74 1006.8
16 08:51 SW 9 10.00 Overcast OVC013 63 59 87% 29.73 1006.5
16 07:51 SW 10 10.00 Overcast OVC011 61 57.9 90% 29.74 1006.6
16 06:51 S 8 10.00 Overcast BKN017 OVC023 60.1 57 61 59 90% 29.73 1006.3 0.03 0.12
16 05:51 S 9 10.00 Overcast BKN038 OVC045 60.1 57 90% 29.72 1006.1 0.09
16 04:51 S 8 9.00 Overcast BKN040 OVC047 60.1 55.9 86% 29.72 1006.2
16 03:51 SE 8 10.00 Overcast BKN090 BKN150 OVC250 60.1 57 90% 29.71 1005.7
16 02:51 SE 12 10.00 Overcast SCT065 BKN150 OVC250 60.1 57 90% 29.73 1006.5
16 01:51 SE 7 10.00 Overcast SCT070 BKN110 OVC250 61 57.9 90% 29.76 1007.5
16 00:51 E 10 10.00 Overcast BKN080 BKN100 OVC250 61 57.9 72 60.1 90% 29.76 1007.4 0.01 0.42
15 23:51 NW 14 7.00 Rain FEW050 BKN070 OVC090 60.1 57.9 93% 29.82 1009.5 0.09
15 22:51 N 10 7.00 Thunderstorm Light Rain SCT025 BKN038CB OVC045 60.1 57.9 93% 29.78 1008.4 0.32
15 21:51 SW 16 G 24 10.00 Overcast BKN025 BKN070 OVC095 70 62.1 76% 29.74 1006.7
15 20:51 S 20 G 40 10.00 Overcast SCT028 BKN037 BKN055 OVC250 71.1 61 71% 29.72 1006.3
15 19:51 S 18 G 30 10.00 Overcast FEW031 SCT043 BKN080 OVC250 72 61 68% 29.73 1006.4
15 18:51 S 18 G 29 10.00 Overcast SCT027 BKN041 BKN100 OVC250 72 62.1 72 66.9 71% 29.73 1006.4
15 17:51 S 10 10.00 Mostly Cloudy SCT028 BKN100 BKN170 BKN250 72 63 73% 29.76 1007.2
15 16:51 SW 13 10.00 Mostly Cloudy FEW020 SCT100 BKN250 71.1 61 71% 29.78 1008.0
15 15:51 SW 10 10.00 Overcast SCT100 OVC250 70 61 73% 29.79 1008.5
15 14:51 SW 13 10.00 Overcast FEW015 BKN090 OVC200 68 61 78% 29.81 1009.1
15 13:51 SW 14 G 21 10.00 Overcast FEW015 FEW080 BKN110 OVC250 68 60.1 76% 29.81 1009.0
15 12:51 SW 14 10.00 Overcast FEW012 BKN140 BKN170 OVC250 66.9 60.1 66.9 63 79% 29.79 1008.6 0.06
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)