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.
16 23:51 N 9 10.00 Mostly Cloudy BKN038 BKN250 72 62.1 71% 29.97 1014.1
16 22:51 N 14 10.00 Mostly Cloudy BKN045 BKN250 73.9 64 71% 29.95 1013.6
16 21:51 NW 12 10.00 Mostly Cloudy SCT030 BKN036 BKN180 BKN250 77 66 69% 79 29.95 1013.6
16 20:51 NW 9 10.00 Mostly Cloudy SCT038 SCT050 BKN200 BKN250 81 71.1 72% 85 29.93 1013.1
16 19:51 NW 8 10.00 Mostly Cloudy FEW034 SCT055 SCT100 BKN220 BKN250 81 71.1 72% 85 29.91 1012.4
16 18:51 NW 9 10.00 Mostly Cloudy FEW034 SCT220 BKN250 82.9 71.1 86 79 67% 88 29.9 1011.9 0.03
16 17:51 W 9 10.00 Mostly Cloudy FEW032 FEW044 SCT220 BKN250 84.9 72 65% 91 29.89 1011.5
16 16:51 W 6 10.00 Mostly Cloudy FEW033 FEW050 SCT080 SCT200 BKN250 82.9 73.9 74% 89 29.9 1011.9
16 15:51 W 7 10.00 Mostly Cloudy SCT033TCU SCT050 BKN080 BKN250 81 75 82% 87 29.92 1012.8 0.03 0.03
16 14:51 W 10 10.00 Mostly Cloudy SCT037 SCT070 BKN250 84.9 72 65% 91 29.94 1013.3
16 13:51 W 13 10.00 Mostly Cloudy SCT031 BKN049 BKN250 84.9 72 65% 91 29.95 1013.7
16 12:51 NW 10 10.00 Mostly Cloudy BKN027 BKN032 BKN250 82.9 72 82.9 73 70% 88 29.96 1013.9
16 11:51 NW 8 10.00 Mostly Cloudy SCT021 BKN028 BKN250 82 73 74% 87 29.96 1014.0
16 10:51 W 10 10.00 Mostly Cloudy BKN019 BKN026 BKN150 80.1 73 79% 84 29.96 1014.0
16 09:51 W 10 10.00 Mostly Cloudy BKN013 BKN029 BKN150 78.1 73.9 87% 81 29.96 1013.9
16 08:51 W 7 6.00 Fog/Mist FEW002 BKN008 OVC025 75 73.9 96% 73 29.98 1014.5
16 07:51 W 7 1.75 Fog/Mist BKN002 OVC004 73.9 73 97% 29.97 1014.2
16 06:51 W 6 4.00 Fog/Mist OVC003 73 73 77 72 100% 29.95 1013.6 0.02
16 05:51 SW 8 10.00 Overcast OVC004 73 72 96% 29.94 1013.3
16 04:51 SW 7 10.00 Overcast OVC005 72 71.1 97% 29.93 1013.0 0.01
16 03:51 SW 6 8.00 Light Rain SCT008 BKN070 OVC120 73 71.1 94% 29.92 1012.7 0.01 0.01
16 02:51 SW 10 10.00 Overcast OVC009 73 70 90% 29.94 1013.3
16 01:51 S 16 G 28 10.00 Overcast BKN012 BKN030 OVC080 77 73.9 90% 78 29.96 1013.8
16 00:51 S 3 10.00 Overcast FEW008 FEW016 OVC070 77 75 79 77 94% 78 29.98 1014.9
15 23:51 S 6 10.00 Partly Cloudy FEW032 SCT070 77 73.9 90% 78 29.98 1014.7
15 22:51 S 6 10.00 Overcast FEW021 BKN028 OVC045 78.1 73.9 87% 81 29.99 1015.0
15 21:51 S 5 10.00 Overcast FEW016 OVC030 78.1 73.9 87% 81 30 1015.5
15 20:51 S 5 10.00 Overcast FEW016 BKN036 OVC044 78.1 75 90% 81 30.01 1015.6
15 19:51 Calm 10.00 Overcast BKN016 BKN024 OVC033 79 75 88% 83 30.01 1015.6
15 18:51 Calm 10.00 Mostly Cloudy SCT018 BKN036 BKN048 79 73.9 79 75 85% 83 30.01 1015.7 0.02
15 17:51 SW 3 10.00 Mostly Cloudy SCT011 BKN016 BKN070 78.1 73.9 87% 81 30.02 1016.2
15 16:51 Calm 8.00 Overcast FEW020 BKN027 OVC036 77 73.9 90% 78 30.02 1016.2 0.02
15 15:51 SW 3 5.00 Light Rain Fog/Mist BKN018 OVC027 77 73.9 90% 78 30.02 1016.2
15 14:51 SW 7 10.00 Overcast BKN014 BKN022 OVC036 79 73 82% 82 30.03 1016.4
15 13:51 Calm 10.00 Overcast BKN011 BKN019 OVC038 77 73 88% 78 30.04 1016.6
15 12:51 SW 6 10.00 Overcast BKN008 OVC015 75 72 75 73 90% 74 30.05 1017.1 0.03
15 11:51 S 6 10.00 Overcast BKN010 OVC017 75 71.1 88% 75 30.07 1017.7
15 10:51 SE 8 10.00 Overcast BKN007 BKN019 OVC070 75 72 90% 74 30.05 1017.1 0.03
15 09:51 SE 8 5.00 Light Rain Fog/Mist OVC010 73 72 96% 30.06 1017.6
15 08:51 S 5 10.00 Overcast OVC010 75 71.1 88% 75 30.07 1018.0
15 07:51 S 5 10.00 Overcast BKN011 BKN016 OVC024 73.9 71.1 91% 30.09 1018.4
15 06:51 SE 6 10.00 Overcast BKN018 OVC025 73.9 70 73.9 73 88% 30.09 1018.4
15 05:51 Calm 10.00 Overcast BKN023 BKN100 OVC250 73.9 69.1 85% 30.09 1018.4
15 04:51 Calm 10.00 Overcast FEW025 OVC100 73 69.1 87% 30.08 1018.0
15 03:51 Calm 10.00 Overcast BKN027 OVC095 73 69.1 87% 30.09 1018.3
15 02:51 Calm 10.00 Overcast FEW050 OVC100 73 69.1 87% 30.08 1018.3
15 01:51 E 7 10.00 Mostly Cloudy FEW050 BKN085 73 68 84% 30.08 1018.3
15 00:51 NE 10 10.00 Mostly Cloudy FEW050 BKN110 73 66.9 75 73 81% 30.1 1018.7
14 23:51 NE 9 10.00 Overcast OVC100 73.9 66.9 79% 30.13 1019.8
14 22:51 NE 9 10.00 Overcast FEW035 OVC100 73.9 66.9 79% 30.14 1020.1
14 21:51 N 12 10.00 Overcast FEW013 SCT034 OVC100 73.9 68 82% 30.15 1020.6
14 20:51 N 12 10.00 Overcast SCT014 BKN047 OVC100 73.9 69.1 85% 30.15 1020.4
14 19:51 NE 9 10.00 Overcast FEW014 SCT070 OVC140 73.9 69.1 85% 30.11 1019.1
14 18:51 NE 10 10.00 Overcast FEW016 SCT130 OVC170 75 69.1 80.1 75 82% 75 30.09 1018.4
14 17:51 E 8 10.00 Mostly Cloudy FEW025 BKN130 BKN170 78.1 69.1 74% 80 30.07 1017.9
14 16:51 NE 10 10.00 Mostly Cloudy FEW025 BKN150 BKN180 78.1 68 71% 80 30.05 1017.3
14 15:51 NE 8 10.00 Mostly Cloudy FEW025 SCT036 BKN160 BKN250 79 69.1 72% 82 30.08 1018.1
14 14:51 E 10 10.00 Mostly Cloudy SCT021 BKN028 BKN130 BKN250 78.1 69.1 74% 80 30.07 1017.9
14 13:51 E 8 10.00 Mostly Cloudy SCT019 BKN026 BKN170 BKN250 79 70 74% 82 30.09 1018.4
14 12:51 E 10 10.00 Mostly Cloudy BKN021 BKN110 BKN250 78.1 70 79 72 76% 80 30.08 1018.2
14 11:51 NE 8 10.00 Overcast SCT019 BKN110 OVC250 77 69.1 77% 79 30.1 1018.9
14 10:51 NE 7 9.00 Overcast SCT019 BKN110 OVC250 75.9 69.1 79% 77 30.1 1018.8
14 09:51 E 8 9.00 Overcast FEW017 BKN060 OVC100 75.9 69.1 79% 77 30.09 1018.5
14 08:51 E 6 8.00 Overcast FEW012 BKN060 OVC250 75 69.1 82% 75 30.07 1018.0
14 07:51 NE 8 6.00 Fog/Mist FEW008 FEW060 SCT110 OVC250 73.9 70 88% 30.06 1017.7
14 06:51 E 7 3.00 Fog/Mist FEW009 FEW110 BKN250 72 70 72 70 94% 30.05 1017.3
14 05:51 NE 5 3.00 Fog/Mist FEW027 SCT095 BKN250 71.1 69.1 94% 30.03 1016.6
14 04:51 E 3 5.00 Fog/Mist FEW080 SCT110 OVC250 71.1 69.1 94% 30.02 1016.2
14 03:51 E 8 6.00 Fog/Mist SCT080 OVC110 71.1 70 96% 30 1015.6
14 02:51 E 6 6.00 Fog/Mist SCT033 BKN080 OVC120 70 69.1 97% 29.99 1015.2
14 01:51 E 6 7.00 Overcast FEW012 BKN027 OVC080 71.1 68 90% 30.01 1015.7
14 00:51 NE 8 8.00 Mostly Cloudy FEW021 SCT100 BKN220 71.1 66.9 71.1 69.1 87% 29.99 1015.2 0.09
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)