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.
29 13:51 S 16 G 24 10.00 Mostly Cloudy SCT035 BKN200 BKN250 90 75 62% 100 29.9 1012.0
29 12:51 SW 12 10.00 Mostly Cloudy BKN032 BKN200 BKN250 89.1 75 90 77 63% 99 29.92 1012.5
29 11:51 S 14 10.00 Mostly Cloudy SCT029 BKN250 89.1 75 63% 99 29.91 1012.3
29 10:51 S 13 10.00 Partly Cloudy SCT022 SCT250 86 75 70% 95 29.91 1012.2
29 09:51 SW 16 G 21 10.00 Partly Cloudy SCT018 SCT250 84 75 74% 92 29.92 1012.5
29 08:51 S 10 10.00 Mostly Cloudy BKN014 81 75 82% 87 29.93 1012.8
29 07:51 S 12 10.00 Mostly Cloudy BKN010 BKN300 80.1 75 85% 85 29.93 1013.0
29 06:51 S 12 10.00 Mostly Cloudy BKN009 BKN110 77 73.9 78.1 75.9 90% 78 29.93 1012.8
29 05:51 S 8 10.00 A Few Clouds FEW110 FEW250 75.9 73 91% 76 29.91 1012.4
29 04:51 SE 8 10.00 A Few Clouds FEW020 75.9 72 88% 76 29.91 1012.4
29 03:51 S 8 10.00 A Few Clouds FEW020 FEW120 77 72 85% 78 29.91 1012.4
29 02:51 SE 9 10.00 Partly Cloudy FEW020 SCT120 78.1 72 82% 80 29.91 1012.3
29 01:51 S 7 10.00 Mostly Cloudy FEW020 BKN120 78.1 72 82% 80 29.92 1012.5
29 00:51 SE 8 10.00 Mostly Cloudy FEW020 BKN110 BKN250 77 71.1 80.1 75 82% 79 29.91 1012.2
28 23:51 SE 8 10.00 Mostly Cloudy SCT028 BKN110 BKN250 77 71.1 82% 79 29.91 1012.4
28 22:51 SE 9 10.00 Mostly Cloudy SCT034 BKN110 BKN200 BKN250 77 70 79% 79 29.91 1012.1
28 21:51 E 6 10.00 Overcast SCT110 SCT190 OVC250 75 69.1 82% 75 29.9 1011.9
28 20:51 E 9 10.00 Mostly Cloudy FEW031 FEW075 BKN170 BKN250 75 69.1 82% 75 29.88 1011.4
28 19:51 E 6 10.00 Overcast FEW031 BKN160 BKN200 OVC250 80.1 71.1 74% 84 29.87 1011.1
28 18:51 S 6 10.00 Overcast FEW080 SCT120 BKN200 OVC250 80.1 71.1 81 77 74% 84 29.82 1009.3
28 17:51 S 21 G 38 10.00 Overcast and Breezy FEW080 SCT110 BKN170 OVC250 78.1 69.1 74% 80 29.73 1006.2
28 16:51 SE 14 10.00 Overcast FEW028 FEW045 BKN160 OVC250 77 69.1 77% 79 29.89 1011.9
28 15:51 NE 10 10.00 Overcast SCT028 SCT050 BKN210 OVC250 78.1 69.1 74% 80 29.97 1014.6
28 14:51 E 9 10.00 Overcast SCT028 BKN045 OVC250 79 69.1 72% 82 29.95 1013.9
28 13:51 E 9 10.00 Overcast BKN029 BKN035 OVC250 81 69.1 67% 84 29.94 1013.4
28 12:51 E 12 10.00 Overcast OVC032 80.1 68 81 68 67% 83 29.93 1013.0
28 11:51 E 9 G 18 10.00 Mostly Cloudy SCT029 BKN250 80.1 68 67% 83 29.92 1012.8
28 10:51 E 12 10.00 Mostly Cloudy SCT031 BKN250 79 66.9 67% 81 29.93 1012.9
28 09:51 E 8 10.00 Mostly Cloudy BKN250 77 66.9 71% 79 29.92 1012.8
28 08:51 E 8 10.00 Mostly Cloudy FEW020 BKN250 75 66.9 76% 76 29.94 1013.4
28 07:51 Calm 10.00 A Few Clouds FEW025 FEW250 72 64.9 79% 29.93 1013.0
28 06:51 N 6 10.00 A Few Clouds FEW025 FEW250 68 62.1 68 62.1 81% 29.93 1013.2
28 05:51 N 3 10.00 A Few Clouds FEW250 64 60.1 87% 29.92 1012.9
28 04:51 N 6 10.00 A Few Clouds FEW250 63 59 87% 29.92 1012.8
28 03:51 NE 7 10.00 A Few Clouds FEW250 64 59 84% 29.92 1012.8
28 02:51 NE 7 10.00 Mostly Cloudy FEW065 BKN250 64.9 57.9 78% 29.92 1012.9
28 01:51 N 6 10.00 Overcast FEW032 BKN070 OVC250 66 57.9 75% 29.93 1013.3
28 00:51 N 7 10.00 Overcast BKN055 OVC250 66 57.9 72 66 75% 29.94 1013.5
27 23:51 N 6 10.00 Overcast FEW038 BKN055 OVC250 66 57.9 75% 29.96 1014.0
27 22:51 NE 9 10.00 Overcast BKN055 OVC250 66 57 73% 29.96 1014.2
27 21:51 NE 12 10.00 Overcast BKN055 OVC250 66.9 57.9 73% 29.96 1014.3
27 20:51 NE 12 10.00 Overcast BKN055 OVC250 68 59 73% 29.95 1013.9
27 19:51 NE 12 10.00 Mostly Cloudy FEW037 BKN060 BKN250 69.1 59 70% 29.94 1013.5
27 18:51 NE 13 10.00 Overcast FEW037 BKN050 OVC250 72 60.1 75.9 72 66% 29.94 1013.7
27 17:51 NE 13 10.00 Mostly Cloudy BKN045 BKN075 BKN250 73.9 60.1 62% 29.94 1013.4
27 16:51 NE 13 G 20 10.00 Mostly Cloudy FEW025 FEW070 BKN250 75.9 62.1 62% 78 29.94 1013.5
27 15:51 NE 12 10.00 Mostly Cloudy FEW025 FEW070 BKN250 75 62.1 64% 77 29.96 1014.1
27 14:51 NE 14 G 24 10.00 Mostly Cloudy FEW025 BKN070 BKN250 75 63 66% 77 29.96 1014.3
27 13:51 NE 13 10.00 Mostly Cloudy FEW025 BKN070 73.9 63 69% 29.98 1015.0
27 12:51 NE 10 10.00 Overcast FEW025 OVC065 73 62.1 75 64 69% 29.99 1015.4
27 11:51 E 13 G 20 10.00 Mostly Cloudy FEW026 SCT085 BKN250 75 63 66% 77 29.98 1014.9
27 10:51 E 8 10.00 Mostly Cloudy FEW026 SCT070 BKN085 73 62.1 69% 30 1015.6
27 09:51 E 7 10.00 Mostly Cloudy BKN085 BKN250 71.1 63 76% 29.99 1015.2
27 08:51 NE 6 10.00 Mostly Cloudy BKN060 BKN090 68 61 78% 30.01 1015.9
27 07:51 NE 7 10.00 Overcast OVC060 66 61 84% 30 1015.9
27 06:51 NE 7 10.00 Overcast OVC060 64 60.1 64.9 61 87% 30 1015.8
27 05:51 N 6 10.00 Mostly Cloudy BKN055 63 59 87% 30 1015.6
27 04:51 N 8 10.00 Overcast OVC055 62.1 59 90% 29.98 1015.0
27 03:51 N 6 10.00 Overcast BKN047 OVC055 62.1 59 90% 29.99 1015.4
27 02:51 N 6 10.00 Overcast OVC060 61 57.9 90% 30 1015.6
27 01:51 NE 7 10.00 Overcast OVC050 61 57.9 90% 30.01 1016.0
27 00:51 NE 8 10.00 Overcast OVC055 61 57.9 62.1 60.1 90% 30.02 1016.3
26 23:51 NE 9 10.00 Overcast FEW008 OVC070 61 57.9 90% 30.03 1016.8
26 22:51 NE 9 10.00 Mostly Cloudy SCT008 BKN080 60.1 57 90% 30.05 1017.3
26 21:51 NE 9 10.00 Mostly Cloudy SCT009 BKN080 61 57.9 90% 30.05 1017.3
26 20:51 NE 9 10.00 Overcast SCT009 OVC080 61 57.9 90% 30.04 1017.1
26 19:51 NE 9 10.00 Overcast FEW009 FEW040 OVC090 61 57.9 90% 30.04 1017.1
26 18:51 NE 10 10.00 Overcast FEW007 FEW040 OVC090 62.1 57 64.9 62.1 84% 30.04 1017.1 0.03
26 17:51 NE 9 10.00 Overcast FEW010 SCT080 OVC100 62.1 57.9 86% 30.04 1017.2 0.01
26 16:51 NE 9 9.00 Light Rain FEW015 SCT070 OVC110 62.1 57.9 86% 30.05 1017.4
26 15:51 N 12 10.00 Overcast FEW013 FEW045 OVC120 63 57.9 84% 30.06 1017.7 0.02
26 14:51 NE 9 10.00 Overcast FEW013 SCT045 OVC120 64 57.9 81% 30.07 1018.2
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)