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.
08 15:51 S 15 G 23 10.00 Mostly Cloudy SCT047 BKN250 91 69.1 49% 96 29.97 1014.2
08 14:51 S 15 G 23 10.00 Mostly Cloudy SCT047 BKN250 91.9 70 49% 98 29.98 1014.6
08 13:51 SW 16 G 25 10.00 Partly Cloudy SCT044 SCT300 91 69.1 49% 96 30 1015.4
08 12:51 S 13 G 23 10.00 Partly Cloudy SCT043 SCT300 91 70 91 75 50% 97 30.01 1015.6
08 11:51 S 16 G 26 10.00 A Few Clouds FEW040 FEW300 90 69.1 50% 95 30.02 1015.9
08 10:51 S 12 G 18 10.00 A Few Clouds FEW040 FEW300 89.1 69.1 52% 94 30.05 1016.9
08 09:51 S 10 10.00 A Few Clouds FEW300 86 70 59% 91 30.06 1017.2
08 08:51 S 8 10.00 A Few Clouds FEW250 82 70 67% 86 30.06 1017.4
08 07:51 S 7 10.00 A Few Clouds FEW250 78.1 71.1 79% 80 30.06 1017.1
08 06:51 S 5 10.00 A Few Clouds FEW250 75 71.1 78.1 73.9 88% 75 30.05 1017.1
08 05:51 SW 5 10.00 A Few Clouds FEW250 73.9 70 88% 30.05 1017.1
08 04:51 S 3 10.00 Fair CLR 73.9 70 88% 30.05 1017.0
08 03:51 S 5 10.00 Fair CLR 75 71.1 88% 75 30.05 1016.8
08 02:51 S 6 10.00 Fair CLR 75.9 72 88% 76 30.05 1016.9
08 01:51 S 5 10.00 Fair CLR 77 72 85% 78 30.06 1017.2
08 00:51 S 6 10.00 Fair CLR 78.1 72 86 78.1 82% 80 30.07 1017.6
07 22:51 S 7 10.00 A Few Clouds FEW035 FEW250 81 72 74% 85 30.08 1017.9
07 21:51 S 10 10.00 Partly Cloudy FEW035 SCT250 82 72 72% 87 30.08 1018.0
07 20:51 S 9 10.00 Mostly Cloudy FEW040 BKN250 82.9 72 70% 88 30.07 1017.7
07 19:51 S 9 10.00 Mostly Cloudy FEW045 BKN250 84.9 72 65% 91 30.04 1016.8
07 18:51 S 12 10.00 Mostly Cloudy FEW047 BKN250 86 71.1 91 86 61% 92 30.04 1016.7
07 17:51 S 9 10.00 Mostly Cloudy SCT047 BKN250 88 70 55% 93 30.05 1017.1
07 16:51 SW 10 G 20 10.00 Mostly Cloudy SCT047 BKN250 90 68 48% 94 30.06 1017.1
07 15:51 S 12 10.00 Mostly Cloudy SCT046 BKN250 89.1 70 53% 94 30.08 1017.8
07 14:51 W 7 10.00 Mostly Cloudy SCT045 BKN250 89.1 68 50% 93 30.1 1018.5
07 13:51 S 9 10.00 Mostly Cloudy FEW042 SCT055 BKN250 89.1 69.1 52% 94 30.11 1018.9
07 12:51 S 12 G 20 10.00 Mostly Cloudy FEW044 BKN055 BKN250 87.1 68 89.1 75 53% 91 30.12 1019.4
07 11:51 S 9 10.00 Mostly Cloudy FEW044 BKN250 86 68 55% 89 30.13 1019.7
07 10:51 S 12 10.00 Mostly Cloudy FEW040 BKN250 84.9 66.9 55% 88 30.16 1020.6
07 09:51 S 8 10.00 Mostly Cloudy BKN250 84 66.9 57% 87 30.15 1020.4
07 08:51 S 8 10.00 Mostly Cloudy BKN250 81 66.9 62% 83 30.15 1020.3
07 07:51 S 7 10.00 Mostly Cloudy FEW050 BKN250 77 66.9 71% 79 30.16 1020.8
07 06:51 S 6 10.00 A Few Clouds FEW050 FEW250 75 66 77 73 74% 76 30.17 1021.0
07 05:51 SE 6 10.00 A Few Clouds FEW250 73 66 79% 30.16 1020.9
07 04:51 S 5 10.00 Partly Cloudy FEW150 SCT250 73.9 66 76% 30.17 1021.1
07 03:51 S 3 10.00 Mostly Cloudy SCT150 BKN250 75 66 74% 76 30.17 1021.3
07 02:51 S 5 9.00 Mostly Cloudy BKN150 BKN250 75.9 66.9 74% 77 30.17 1021.2
07 01:51 Calm 10.00 Overcast BKN160 OVC250 77 66.9 71% 79 30.19 1021.6
07 00:51 SW 3 10.00 Overcast BKN140 OVC250 77 66.9 84 75.9 71% 79 30.19 1021.7
06 23:51 S 5 10.00 Overcast BKN180 OVC250 77 66.9 71% 79 30.2 1022.0
06 22:51 SE 6 10.00 Mostly Cloudy BKN150 BKN250 77 66 69% 79 30.2 1022.0
06 21:51 SE 8 10.00 Mostly Cloudy FEW120 BKN210 BKN250 77 64.9 66% 79 30.19 1021.9
06 20:51 E 8 10.00 Mostly Cloudy SCT120 BKN250 78.1 64.9 64% 80 30.18 1021.5
06 19:51 SE 10 10.00 Mostly Cloudy FEW050 FEW120 BKN250 81 64 57% 83 30.17 1021.1
06 18:51 E 10 10.00 Mostly Cloudy SCT055 BKN250 82.9 63 87.1 82.9 51% 84 30.17 1021.1
06 17:51 E 7 10.00 Mostly Cloudy SCT055 BKN250 82.9 63 51% 84 30.17 1021.1
06 16:51 E 9 10.00 Mostly Cloudy SCT055 BKN250 86 59 40% 85 30.17 1021.2
06 15:51 S 3 10.00 Mostly Cloudy SCT055 BKN250 86 60.1 42% 86 30.19 1021.6
06 14:51 S 9 10.00 Mostly Cloudy BKN055 BKN250 86 62.1 45% 87 30.2 1022.1
06 13:51 SW 8 10.00 Partly Cloudy SCT050 SCT075 SCT300 84.9 61 45% 85 30.22 1023.0
06 12:51 S 8 10.00 Partly Cloudy SCT050 SCT075 SCT300 84.9 61 84.9 69.1 45% 85 30.25 1023.9
06 11:51 S 6 10.00 Partly Cloudy SCT050 SCT300 84 62.1 48% 85 30.26 1024.1
06 10:51 S 8 10.00 Partly Cloudy SCT041 SCT300 81 61 51% 82 30.25 1023.7
06 09:51 S 7 7.00 A Few Clouds FEW035 FEW300 80.1 64.9 60% 82 30.25 1023.8
06 07:51 SE 6 5.00 A Few Clouds with Haze FEW250 73.9 69.1 85% 30.26 1024.2
06 06:51 NE 3 4.00 Fog/Mist FEW250 69.1 64.9 69.1 64.9 87% 30.25 1024.1
06 05:51 N 3 4.00 Fog/Mist FEW250 66 64 93% 30.24 1023.7
06 04:51 N 3 5.00 Fog/Mist CLR 66.9 64 91% 30.23 1023.2
06 03:51 Calm 5.00 Smoke CLR 66.9 64 91% 30.23 1023.1
06 02:51 N 5 5.00 Smoke CLR 68 64 87% 30.23 1023.3
06 01:51 N 6 5.00 Smoke CLR 66.9 64 91% 30.24 1023.6
06 00:51 N 5 5.00 Smoke CLR 69.1 64.9 79 69.1 87% 30.24 1023.5
05 23:51 N 5 6.00 Smoke CLR 70 64.9 84% 30.24 1023.6
05 22:51 NE 10 6.00 Smoke CLR 72 64.9 79% 30.24 1023.4
05 21:51 E 9 G 18 7.00 Fair CLR 73 64 74% 30.24 1023.5
05 20:51 E 13 7.00 Fair CLR 73.9 62.1 67% 30.23 1023.1
05 19:51 NE 12 5.00 Smoke FEW250 75.9 60.1 58% 78 30.22 1022.9
05 18:51 NE 13 8.00 A Few Clouds FEW250 79 57.9 82.9 79 49% 80 30.21 1022.7
05 17:51 E 10 10.00 Partly Cloudy FEW055 SCT250 80.1 57 45% 80 30.21 1022.7
05 16:51 E 9 G 18 10.00 A Few Clouds FEW055 81 57.9 45% 81 30.22 1022.8
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)