Weather observations for the past three days for
Chicago, Chicago-O'Hare International Airport
Imperial (Metric)
Date Time (cst) 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.
06 11:51 Calm 10.00 Overcast OVC029 30.9 21 30.9 26.1 67% 29.94 1014.6
06 10:51 NW 5 10.00 Overcast OVC028 30.9 21 67% 27 29.95 1014.9
06 09:51 NW 5 10.00 Overcast OVC027 30 21 69% 26 29.93 1014.4
06 08:51 NW 7 10.00 Overcast OVC021 28.9 21.9 75% 23 29.92 1013.9
06 07:51 NW 5 9.00 Overcast OVC023 28 23 81% 24 29.9 1013.2
06 06:51 W 5 9.00 Mostly Cloudy SCT024 BKN034 26.1 21.9 84% 21 29.87 1012.3
06 05:51 W 7 10.00 Overcast OVC037 28 23 28 26.1 81% 22 29.84 1011.3
06 04:51 W 7 10.00 Overcast OVC039 27 21.9 81% 20 29.81 1010.2
06 03:51 W 6 10.00 Mostly Cloudy FEW016 BKN041 26.1 21 81% 20 29.78 1009.3
06 02:51 W 7 10.00 Mostly Cloudy BKN016 27 21.9 81% 20 29.78 1009.3
06 01:51 W 8 10.00 Overcast BKN030 OVC060 28 21 75% 21 29.77 1008.8
06 00:51 W 7 10.00 Overcast BKN030 OVC060 28 19.9 72% 22 29.76 1008.7
05 23:51 SW 10 10.00 Overcast FEW027 BKN037 OVC070 27 18 28 26.1 69% 18 29.76 1008.7
05 22:51 SW 15 G 22 10.00 Overcast BKN040 OVC075 27 16 63% 16 29.76 1008.8
05 21:51 SW 10 10.00 Overcast BKN046 OVC075 26.1 15.1 63% 17 29.77 1009.1
05 20:51 SW 10 G 21 10.00 Overcast BKN060 OVC085 26.1 14 60% 17 29.77 1009.2
05 19:51 SW 15 G 22 10.00 Overcast BKN032 OVC070 27 14 58% 16 29.78 1009.5
05 18:51 SW 13 10.00 Overcast BKN035 OVC042 27 14 58% 17 29.79 1009.7
05 17:51 S 13 10.00 Mostly Cloudy BKN050 27 12.9 30 26.1 55% 17 29.78 1009.4
05 16:51 S 13 10.00 Mostly Cloudy FEW075 BKN100 28 12.9 53% 18 29.78 1009.5
05 15:51 S 13 10.00 Mostly Cloudy BKN055 BKN140 28.9 10.9 47% 19 29.79 1009.8
05 14:51 SW 16 G 28 10.00 Mostly Cloudy SCT055 BKN065 28.9 10 45% 18 29.81 1010.5
05 13:51 SW 16 G 26 10.00 Mostly Cloudy FEW060 SCT080 BKN250 28.9 8.1 41% 18 29.82 1010.9
05 12:51 SW 15 G 25 10.00 Mostly Cloudy BKN060 BKN080 BKN250 27 9 46% 16 29.86 1012.3
05 11:51 SW 14 10.00 Mostly Cloudy FEW047 BKN080 BKN200 BKN250 26.1 9 26.1 12.9 48% 15 29.9 1013.6
05 10:51 SW 13 G 25 10.00 Mostly Cloudy BKN047 BKN080 BKN200 23 10.9 60% 12 29.92 1014.6
05 09:51 SW 15 10.00 Overcast BKN042 OVC050 18 10.9 74% 5 29.97 1016.0
05 08:51 SW 12 10.00 Overcast BKN045 OVC200 17.1 10 74% 5 29.98 1016.4
05 07:51 SW 12 10.00 Overcast BKN046 OVC200 15.1 9 77% 3 29.98 1016.5
05 06:51 SW 8 10.00 Mostly Cloudy BKN045 BKN200 14 8.1 77% 4 30 1017.1
05 05:51 SW 8 10.00 Mostly Cloudy SCT040 BKN250 12.9 8.1 12.9 9 81% 3 30.01 1017.5
05 04:51 SW 7 10.00 Partly Cloudy SCT036 SCT250 12 7 80% 2 30.04 1018.6
05 03:51 S 12 10.00 Mostly Cloudy BKN035 BKN250 12 7 80% -1 30.03 1018.3
05 02:51 SW 8 10.00 A Few Clouds FEW250 10 3.9 76% -1 30.09 1020.2
05 01:51 SW 6 10.00 Fair CLR 10 3 73% 1 30.1 1020.7
05 00:51 SW 5 10.00 Fair CLR 10 1 67% 3 30.12 1021.4
04 23:51 SW 7 10.00 Fair CLR 10 1 17.1 10 67% 0 30.15 1022.5
04 22:51 SW 6 10.00 Fair CLR 10.9 1 64% 2 30.17 1023.1
04 21:51 SW 5 10.00 Fair CLR 10.9 1 64% 4 30.2 1024.0
04 20:51 SW 3 10.00 Fair CLR 12 1.9 64% 30.23 1025.1
04 19:51 SW 5 10.00 Fair CLR 14 1 56% 7 30.23 1025.2
04 18:51 Calm 10.00 Fair CLR 15.1 3 59% 30.25 1025.8
04 17:51 Calm 10.00 Fair CLR 17.1 -4 21 16 39% 30.28 1026.6
04 16:51 Calm 10.00 A Few Clouds FEW030 18 -2.9 39% 30.3 1027.3
04 15:51 Calm 10.00 A Few Clouds FEW033 19 -5.1 34% 30.3 1027.5
04 14:51 Calm 10.00 A Few Clouds FEW033 19.9 -6 31% 30.31 1027.7
04 13:51 N 5 10.00 A Few Clouds FEW035 18 -5.1 35% 12 30.33 1028.3
04 12:51 Calm 10.00 A Few Clouds FEW035 17.1 -8 32% 30.35 1029.2
04 11:51 Vrbl 3 10.00 A Few Clouds FEW035 17.1 -5.1 17.1 7 37% 30.39 1030.3
04 10:51 N 3 10.00 A Few Clouds FEW035 14 -5.1 42% 30.4 1030.6
04 09:51 N 5 10.00 A Few Clouds FEW030 10.9 -4 51% 4 30.4 1030.9
04 08:51 N 12 10.00 A Few Clouds FEW030 FEW250 8.1 -4 57% -6 30.4 1030.6
04 07:51 N 9 10.00 A Few Clouds FEW030 FEW250 7 -4 60% -6 30.38 1030.2
04 06:51 NW 8 10.00 A Few Clouds FEW030 FEW250 7 -2.9 63% -5 30.37 1029.6
04 05:51 N 8 10.00 A Few Clouds FEW250 8.1 -2 17.1 8.1 63% -3 30.35 1028.9
04 04:51 N 8 10.00 A Few Clouds FEW250 9 -2 61% -2 30.33 1028.2
04 03:51 NW 9 10.00 A Few Clouds FEW250 10.9 -0 61% -1 30.31 1027.5
04 02:51 N 12 10.00 A Few Clouds FEW250 12.9 1 59% 0 30.31 1027.4
04 01:51 NW 12 10.00 A Few Clouds FEW250 14 3 61% 1 30.29 1026.7
04 00:51 NW 10 10.00 A Few Clouds FEW250 15.1 3.9 61% 3 30.26 1025.8
03 23:51 NW 14 G 21 10.00 A Few Clouds FEW250 16 5 28.9 16 62% 3 30.23 1024.8
03 22:51 NW 13 10.00 A Few Clouds FEW250 19 8.1 62% 7 30.22 1024.3
03 21:51 NW 16 10.00 A Few Clouds FEW029 19.9 9 62% 7 30.19 1023.4
03 20:51 NW 14 G 28 10.00 Overcast OVC028 24.1 14 65% 13 30.17 1022.6
03 19:51 NW 9 7.00 Overcast BKN018 OVC029 26.1 18 71% 18 30.14 1021.5
03 18:51 NW 14 6.00 Fog/Mist BKN014 OVC021 27 21 78% 16 30.11 1020.5
03 17:51 NW 12 4.00 Light Snow Fog/Mist FEW007 BKN012 OVC021 28.9 25 30 27 85% 20 30.07 1019.0 0.03
03 16:51 SW 6 2.50 Light Snow Fog/Mist BKN010 BKN023 OVC055 30 27 88% 25 30.04 1018.0 0.01
03 15:51 SW 7 1.75 Light Snow Fog/Mist SCT008 BKN014 OVC021 28.9 27 92% 23 30.02 1017.6
03 14:51 SW 6 3.00 Light Snow Fog/Mist BKN015 BKN022 OVC036 28.9 26.1 89% 23 30 1016.9 0.02
03 13:51 SW 6 2.00 Light Snow Fog/Mist FEW010 BKN017 OVC023 28.9 25 85% 23 29.98 1016.2 0.01
03 12:51 SW 8 1.00 Light Snow Fog/Mist SCT009 OVC016 28 25 88% 21 29.97 1015.8 0.01
Date Time (cst) 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)