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.
18 07:51 W 10 10.00 Mostly Cloudy FEW120 SCT200 BKN250 80.1 72 76% 84 29.85 1010.1
18 06:51 W 13 10.00 Mostly Cloudy FEW150 BKN250 BKN300 79 72 81 79 79% 82 29.87 1010.7
18 05:51 W 12 G 20 10.00 Mostly Cloudy BKN250 BKN300 79 72 79% 82 29.87 1010.7
18 04:51 W 10 10.00 Partly Cloudy SCT250 80.1 72 76% 84 29.87 1011.0
18 03:51 W 10 10.00 A Few Clouds FEW250 79 72 79% 82 29.88 1011.1
18 02:51 SW 8 10.00 A Few Clouds FEW250 80.1 72 76% 84 29.88 1011.0
18 01:51 SW 9 10.00 Fair CLR 81 72 74% 85 29.89 1011.5
18 00:51 SW 8 10.00 A Few Clouds FEW250 81 72 90 81 74% 85 29.91 1012.1
17 23:51 SW 7 10.00 A Few Clouds FEW250 82 72 72% 87 29.92 1012.4
17 22:51 SW 7 10.00 Partly Cloudy FEW120 SCT250 82.9 72 70% 88 29.93 1012.8
17 21:51 W 8 10.00 Mostly Cloudy BKN250 84 71.1 65% 89 29.94 1013.2
17 20:51 W 8 10.00 Mostly Cloudy FEW045 BKN250 86 71.1 61% 92 29.93 1012.7
17 19:51 SW 10 10.00 Partly Cloudy FEW045 SCT250 88 72 59% 95 29.92 1012.6
17 18:51 W 12 10.00 Partly Cloudy FEW045 SCT150 SCT250 90 71.1 91.9 86 54% 96 29.91 1012.2
17 17:51 W 13 10.00 Mostly Cloudy SCT045TCU SCT090 BKN250 91 72 54% 99 29.92 1012.4
17 16:51 NW 9 10.00 Mostly Cloudy SCT045 BKN250 91.9 71.1 51% 99 29.94 1013.3
17 15:51 W 7 10.00 Mostly Cloudy FEW050 FEW100 SCT180 BKN250 90 70 52% 95 29.95 1013.7
17 14:51 W 12 9.00 Mostly Cloudy FEW050 SCT100 BKN180 BKN250 86 72 63% 92 29.98 1014.7
17 13:51 W 10 8.00 Mostly Cloudy SCT045 SCT085 BKN110 90 70 52% 95 29.99 1014.8
17 12:51 SW 10 6.00 Smoke SCT045TCU BKN080 90 70 91 78.1 52% 95 30 1015.3
17 11:51 SW 9 4.00 Smoke SCT045 SCT100 90 69.1 50% 95 30.02 1015.9
17 10:51 Vrbl 6 2.00 Smoke SCT100 87.1 72 61% 94 30.03 1016.4
17 09:51 SW 7 1.75 Smoke FEW012 BKN110 BKN250 84 72 67% 90 30.04 1016.7
17 08:51 S 3 1.50 Smoke FEW015 BKN120 82 71.1 69% 86 30.05 1016.8
17 07:51 S 5 1.25 Smoke SCT019 BKN120 80.1 71.1 74% 84 30.05 1016.8
17 06:51 Calm 1.25 Smoke VV018 78.1 68 78.1 75 71% 80 30.05 1016.8
17 05:51 Calm 1.00 Smoke VV016 77 66.9 71% 79 30.05 1017.1
17 04:51 Calm 1.50 Smoke VV020 75 66.9 76% 76 30.05 1016.9
17 03:51 Calm 1.75 Smoke VV018 77 66 69% 79 30.06 1017.3
17 02:51 SE 3 1.75 Smoke VV020 75.9 66 72% 77 30.06 1017.4
17 01:51 E 6 1.75 Smoke VV020 77 66.9 71% 79 30.06 1017.2
17 00:51 NE 7 1.75 Smoke VV018 77 68 84.9 77 74% 79 30.06 1017.1
16 23:51 E 7 1.50 Smoke VV018 78.1 66 67% 80 30.05 1017.0
16 22:51 E 8 1.00 Smoke VV017 78.1 66 67% 80 30.06 1017.3
16 21:51 Vrbl 6 0.75 Smoke VV015 80.1 62.1 54% 81 30.06 1017.4
16 20:51 E 7 0.50 Smoke VV015 81 57 44% 81 30.05 1017.0
16 19:51 E 7 0.75 Smoke VV015 82.9 55.9 40% 82 30.03 1016.5
16 18:51 E 10 0.75 Smoke VV019 84.9 52 91 84.9 32% 83 30.03 1016.3
16 17:51 E 8 0.75 Smoke VV019 84.9 57 39% 84 30.03 1016.2
16 16:51 NE 13 0.75 Smoke VV019 87.1 60.1 40% 87 30.03 1016.3
16 15:51 NE 12 1.00 Smoke VV020 89.1 64.9 45% 91 30.03 1016.3
16 14:51 NE 7 1.00 Smoke VV020 90 69.1 50% 95 30.04 1016.5
16 13:51 NE 9 1.00 Smoke BKN024 OVC028 89.1 69.1 52% 94 30.05 1016.8
16 12:51 Vrbl 3 1.75 Smoke OVC023 90 69.1 90 75.9 50% 95 30.06 1017.2
16 11:51 Vrbl 3 1.75 Smoke BKN019 89.1 68 50% 93 30.07 1017.6
16 10:51 Vrbl 5 1.75 Smoke BKN019 BKN046 84.9 69.1 59% 89 30.08 1017.9
16 09:51 E 3 1.75 Smoke BKN019 BKN032 82.9 70 65% 87 30.08 1018.0
16 08:51 NE 6 1.75 Smoke SCT019 BKN047 BKN250 80.1 69.1 69% 83 30.09 1018.2
16 07:51 NE 6 2.00 Smoke BKN043 BKN250 79 69.1 72% 82 30.08 1017.9
16 06:51 NE 9 2.50 Smoke FEW045 BKN250 75.9 69.1 79 75 79% 77 30.07 1017.7
16 05:51 NE 7 2.00 Smoke FEW045 BKN250 75 68 79% 76 30.06 1017.4
16 04:51 N 7 3.00 Smoke SCT045 BKN250 75.9 66 72% 77 30.05 1016.9
16 03:51 Calm 4.00 Smoke FEW030 BKN250 77 69.1 77% 79 30.04 1016.6
16 02:51 N 3 4.00 Smoke FEW150 OVC250 77 68 74% 79 30.04 1016.6
16 01:51 NE 5 5.00 Smoke FEW150 BKN250 79 68 69% 81 30.04 1016.6
16 00:51 N 10 8.00 Mostly Cloudy BKN250 79 71.1 90 79 77% 82 30.06 1017.2
15 23:51 NE 5 9.00 Fair CLR 80.1 73 79% 84 30.06 1017.2
15 22:51 NE 8 10.00 Partly Cloudy SCT250 80.1 73.9 82% 85 30.06 1017.2
15 21:51 N 6 10.00 Mostly Cloudy FEW045 BKN250 86 73 65% 93 30.04 1016.6
15 20:51 W 6 10.00 Mostly Cloudy FEW047 BKN250 87.1 72 61% 94 30.03 1016.1
15 19:51 W 6 10.00 Mostly Cloudy FEW047 BKN300 89.1 71.1 55% 95 30.02 1015.8
15 18:51 W 7 10.00 Mostly Cloudy FEW050 BKN300 90 71.1 95 90 54% 96 30.01 1015.5
15 17:51 W 6 10.00 Mostly Cloudy FEW050 BKN300 91.9 70 49% 98 30.01 1015.5
15 16:51 SW 8 10.00 Mostly Cloudy FEW050 BKN300 93.9 69.1 44% 99 30.01 1015.6
15 15:51 W 5 10.00 Mostly Cloudy FEW050 BKN300 93.9 68 43% 98 30.03 1016.2
15 14:51 SW 9 10.00 Mostly Cloudy FEW050 BKN300 93.9 71.1 48% 101 30.05 1016.7
15 13:51 SW 6 10.00 Partly Cloudy FEW050 SCT300 91.9 70 49% 98 30.06 1017.2
15 12:51 NW 9 10.00 Partly Cloudy FEW060 SCT300 91.9 69.1 93 77 47% 97 30.07 1017.4
15 11:51 W 9 10.00 Partly Cloudy FEW055 SCT300 90 72 56% 97 30.08 1017.8
15 10:51 SW 8 10.00 A Few Clouds FEW300 88 71.1 57% 94 30.08 1018.1
15 09:51 Calm 10.00 A Few Clouds FEW300 86 72 63% 92 30.09 1018.3
15 08:51 W 3 10.00 A Few Clouds FEW300 84 73 70% 90 30.1 1018.6
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)