National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
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.
02 02:51 N 9 10.00 Overcast OVC036 60.1 54 80% 30.04 1017.1
02 01:51 N 9 10.00 Overcast SCT033 BKN046 BKN160 BKN200 OVC250 61 57.9 90% 30.01 1016.0
02 00:51 NW 8 10.00 Overcast FEW009 SCT028 BKN055 BKN160 OVC250 61 59 63 61 93% 29.99 1015.5 0.01 0.5
01 23:51 NW 10 9.00 Light Rain SCT008 BKN075 OVC120 62.1 60.1 93% 30 1015.5 0.09
01 22:51 N 7 9.00 Light Rain FEW010 SCT095 OVC130 61 60.1 97% 29.99 1015.3 0.03
01 21:51 N 10 8.00 Light Rain FEW015 BKN090 OVC120 61 59 93% 29.99 1015.1 0.03 0.37
01 20:51 NE 10 3.00 Rain Fog/Mist SCT010 BKN045 OVC070 61 59 93% 29.98 1015.0 0.17
01 19:51 N 10 3.00 Rain Fog/Mist SCT009 BKN026 OVC045 62.1 60.1 93% 29.95 1014.1 0.17
01 18:51 N 14 6.00 Light Rain Fog/Mist BKN006 OVC026 63 61 70 63 93% 29.9 1012.4 0.09 0.69
01 17:51 N 15 2.00 Heavy Rain Fog/Mist BKN006 OVC028 63 62.1 97% 29.9 1012.3 0.3
01 16:51 N 15 4.00 Rain Fog/Mist BKN008 OVC021 64 62.1 93% 29.88 1011.6 0.13
01 15:51 N 14 4.00 Light Rain Fog/Mist BKN006 OVC013 64.9 64 97% 29.88 1011.6 0.04 0.17
01 14:51 W 8 5.00 Light Rain Fog/Mist BKN010 OVC029 70 68 93% 29.85 1010.5 0.04
01 13:51 SW 10 5.00 Light Rain Fog/Mist BKN010 OVC016 69.1 68 96% 29.86 1010.9 0.09
01 12:51 SW 9 5.00 Light Rain Fog/Mist SCT031 BKN060 OVC100 69.1 66.9 70 64.9 93% 29.87 1011.1 0.11 0.16
01 11:51 SW 7 9.00 Light Rain BKN039 BKN050 OVC110 70 66 87% 29.87 1011.2 0.01
01 10:51 SW 8 10.00 Overcast SCT035 BKN110 OVC250 70 64.9 84% 29.85 1010.5
01 09:51 S 6 10.00 Overcast FEW065 BKN110 OVC140 69.1 64 84% 29.84 1010.3 0.04
01 08:51 S 6 10.00 Overcast FEW065 BKN140 OVC250 66.9 64 91% 29.83 1009.9
01 07:51 S 8 10.00 Overcast FEW065 SCT080 OVC130 66 64 93% 29.83 1009.8 0.04
01 06:51 S 6 9.00 Light Rain SCT065 BKN085 OVC100 64.9 63 64.9 64 93% 29.85 1010.4 0.01 0.06
01 05:51 S 6 9.00 Overcast FEW075 OVC100 64.9 63 93% 29.84 1010.2 0.03
01 04:51 S 3 7.00 Light Rain SCT070 OVC110 64.9 63 93% 29.86 1010.9 0.01
01 03:51 Calm 9.00 Overcast BKN075 OVC110 64.9 63 93% 29.85 1010.5 0.01
01 02:51 SE 5 8.00 Light Rain BKN070 OVC090 64 62.1 93% 29.85 1010.6 0.01
01 01:51 W 3 9.00 Light Rain FEW070 BKN110 OVC250 64 62.1 93% 29.86 1011.1
01 00:51 Calm 10.00 Light Rain BKN070 OVC100 64 62.1 64 64 93% 29.88 1011.5 0.02
30 23:51 Calm 9.00 Overcast BKN065 BKN080 OVC100 64 62.1 93% 29.86 1011.1
30 21:51 Calm 10.00 Overcast FEW023 SCT060 OVC100 64 62.1 93% 29.88 1011.6 0.02
30 20:51 Calm 10.00 Overcast SCT029 OVC038 64 62.1 93% 29.88 1011.6
30 19:51 Calm 8.00 Light Rain BKN027 BKN080 OVC130 64 62.1 93% 29.88 1011.5 0.02
30 18:51 S 9 6.00 Light Rain Fog/Mist SCT009 BKN023 OVC075 64 63 64.9 62.1 96% 29.87 1011.2 0.05 0.09
30 17:51 S 12 6.00 Light Rain Fog/Mist BKN008 OVC016 64.9 63 93% 29.86 1010.9 0.02
30 16:51 S 12 G 18 6.00 Light Rain Fog/Mist BKN008 OVC029 64.9 63 93% 29.85 1010.6 0.01
30 15:51 S 8 6.00 Light Rain Fog/Mist BKN007 BKN030 OVC050 64 63 96% 29.86 1010.7 0.01 0.01
30 14:51 S 10 7.00 Light Rain SCT009 BKN014 OVC023 64 62.1 93% 29.86 1010.9
30 13:51 SW 10 G 21 7.00 Light Rain BKN009 OVC013 63 61 93% 29.88 1011.4
30 12:51 SW 10 4.00 Light Rain Fog/Mist BKN008 BKN013 OVC018 62.1 60.1 64.9 60.1 93% 29.9 1012.2 0.11 0.63
30 11:51 S 13 G 20 3.00 Light Rain Fog/Mist OVC008 62.1 60.1 93% 29.91 1012.5 0.01
30 10:51 S 12 5.00 Light Rain Fog/Mist FEW007 BKN011 OVC060 62.1 61 96% 29.93 1013.1 0.11
30 09:51 S 10 1.75 Rain Fog/Mist BKN005 OVC035 62.1 61 96% 29.94 1013.4 0.16 0.4
30 08:51 S 7 2.00 Rain Fog/Mist SCT007 BKN034 OVC048 60.1 59 96% 29.95 1013.9 0.2
30 07:51 S 5 3.00 Rain Fog/Mist FEW045 OVC065 61 57 87% 29.95 1013.8 0.04
30 06:51 SW 8 10.00 Light Rain BKN070 OVC100 64.9 54 70 64.9 68% 29.93 1013.1
30 05:51 SW 5 10.00 Light Rain FEW065 OVC110 66 53.1 63% 29.9 1012.2
30 04:51 S 9 10.00 Overcast FEW065 OVC140 68 51.1 55% 29.89 1011.8
30 03:51 S 6 10.00 Overcast BKN065 BKN110 OVC130 68 51.1 55% 29.89 1011.7
30 02:51 S 7 10.00 Light Rain FEW065 FEW090 BKN110 OVC140 69.1 51.1 53% 29.9 1012.0
30 01:51 S 9 10.00 Overcast FEW065 BKN085 OVC150 70 50 49% 29.91 1012.3
30 00:51 S 10 10.00 Overcast BKN080 BKN140 OVC200 70 50 73.9 68 49% 29.91 1012.2
29 23:51 S 9 10.00 Mostly Cloudy SCT180 BKN250 69.1 48.9 49% 29.91 1012.6
29 22:51 S 9 10.00 Overcast BKN190 OVC250 69.1 48.9 49% 29.92 1012.8
29 21:51 S 6 10.00 Overcast BKN210 OVC250 68 55 63% 29.92 1012.8
29 20:51 SE 6 10.00 Overcast OVC250 68 55.9 65% 29.93 1013.2
29 19:51 SE 3 10.00 Overcast OVC250 70 54 57% 29.92 1013.1
29 18:51 S 3 10.00 Overcast OVC250 73.9 48 78.1 73 40% 29.92 1013.0
29 17:51 S 6 10.00 Overcast FEW200 OVC250 75 48.9 40% 77 29.92 1012.8
29 16:51 S 9 10.00 Mostly Cloudy FEW200 BKN250 75 48.9 40% 77 29.92 1013.1
29 15:51 S 12 G 18 10.00 Mostly Cloudy FEW200 BKN250 77 48.9 37% 78 29.94 1013.5
29 14:51 SW 9 10.00 Mostly Cloudy FEW200 BKN250 78.1 50 37% 79 29.96 1014.3
29 13:51 SW 9 10.00 Mostly Cloudy FEW200 BKN250 77 51.1 40% 78 29.99 1015.2
29 12:51 SW 9 10.00 Mostly Cloudy BKN250 75 50 75 54 42% 78 30.01 1015.9
29 11:51 S 6 10.00 Partly Cloudy SCT250 73 53.1 50% 30.01 1016.1
29 10:51 S 3 10.00 Partly Cloudy SCT250 69.1 53.1 57% 30.04 1017.0
29 09:51 SW 3 10.00 Partly Cloudy SCT250 64.9 54 68% 30.04 1017.2
29 08:51 S 6 7.00 Partly Cloudy FEW004 SCT250 59 55.9 90% 30.05 1017.5
29 07:51 Calm 4.00 Fog/Mist FEW003 FEW250 55 55 100% 30.05 1017.4
29 06:51 Calm 5.00 Shallow Fog Fog/Mist SCT002 SCT030 54 52 57.9 54 93% 30.05 1017.4
29 05:51 Calm 5.00 Shallow Fog Fog/Mist FEW005 54 53.1 97% 30.03 1017.0
29 03:51 Calm 10.00 Fair CLR 55 53.1 93% 30.03 1016.8
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)