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.
21 04:51 W 7 10.00 Thunderstorm FEW046CB SCT095 BKN150 BKN250 75 70 84% 75 29.65 1003.6
21 03:51 W 8 G 18 10.00 Thunderstorm SCT040CB BKN095 OVC150 75.9 70 82% 77 29.66 1003.8
21 02:51 W 9 G 18 10.00 Overcast SCT037 BKN047 OVC150 77 70 79% 79 29.66 1003.9
21 01:51 W 10 9.00 Mostly Cloudy BKN044 BKN250 75.9 71.1 85% 76 29.66 1003.9
21 00:51 W 8 7.00 Mostly Cloudy SCT050 BKN250 75.9 71.1 79 75.9 85% 76 29.67 1004.1
20 23:51 W 12 G 22 6.00 Mostly Cloudy with Haze FEW050 BKN250 75.9 71.1 85% 76 29.67 1004.2
20 22:51 SW 14 G 21 6.00 Mostly Cloudy with Haze BKN250 75.9 70 82% 77 29.69 1004.6
20 21:51 SW 12 6.00 Mostly Cloudy with Haze BKN250 75.9 69.1 79% 77 29.69 1005.0
20 20:51 SW 12 G 24 5.00 Partly Cloudy with Haze SCT250 78.1 68 71% 80 29.7 1005.4
20 19:51 SW 16 G 25 5.00 Overcast with Haze FEW090 SCT150 OVC250 79 68 69% 81 29.71 1005.7
20 18:51 SW 15 G 24 5.00 Overcast with Haze SCT085 BKN150 OVC250 79 68 82 77 69% 81 29.77 1007.7
20 17:51 SW 14 G 20 5.00 Mostly Cloudy with Haze SCT200 BKN300 81 66 61% 83 29.79 1008.3
20 16:51 S 15 G 23 5.00 A Few Clouds with Haze FEW035 FEW250 82 64.9 56% 84 29.75 1006.9
20 15:51 S 15 5.00 Partly Cloudy with Haze SCT250 81 64.9 58% 83 29.79 1008.4
20 14:51 S 13 G 24 5.00 Mostly Cloudy with Haze FEW030 FEW150 SCT220 BKN250 79 64.9 62% 81 29.84 1009.9
20 13:51 SW 14 G 22 7.00 Overcast FEW035 BKN110 BKN180 OVC250 77 64 64% 79 29.86 1010.9
20 12:51 SW 14 G 21 7.00 Overcast SCT150 BKN200 OVC250 78.1 64 79 66.9 62% 80 29.9 1012.1
20 11:51 SW 9 7.00 Overcast BKN200 OVC250 78.1 63 60% 80 29.9 1012.2
20 10:51 S 9 6.00 Overcast with Haze OVC250 77 63 62% 79 29.93 1013.0
20 09:51 SW 6 6.00 Overcast with Haze OVC250 75.9 62.1 62% 78 29.94 1013.5
20 08:51 SW 9 6.00 Mostly Cloudy with Haze FEW140 BKN250 73.9 61 64% 29.92 1012.6
20 07:51 SW 6 6.00 Mostly Cloudy with Haze FEW200 BKN250 71.1 62.1 73% 29.94 1013.6
20 06:51 SW 3 5.00 Smoke BKN250 66.9 61 68 64.9 81% 29.94 1013.6
20 05:51 Calm 4.00 Smoke FEW200 64.9 60.1 84% 29.94 1013.5
20 04:51 Calm 5.00 Fair with Haze CLR 66 60.1 81% 29.95 1013.6
20 03:51 Calm 5.00 A Few Clouds with Haze FEW200 64.9 59 81% 29.95 1013.8
20 02:51 Calm 5.00 A Few Clouds with Haze FEW200 66 60.1 81% 29.97 1014.3
20 01:51 Calm 5.00 A Few Clouds with Haze FEW200 66.9 60.1 79% 29.97 1014.5
20 00:51 Calm 5.00 Fair with Haze CLR 68 60.1 75.9 68 76% 29.98 1014.8
19 23:51 SE 5 6.00 Fair with Haze CLR 69.1 59 70% 29.99 1015.3
19 22:51 E 5 6.00 Fair with Haze CLR 70 60.1 71% 30 1015.5
19 21:51 E 6 8.00 Fair CLR 70 59 68% 30.01 1015.6
19 20:51 E 7 7.00 A Few Clouds FEW250 72 57.9 61% 29.99 1015.2
19 19:51 NE 7 8.00 A Few Clouds FEW250 73 55.9 55% 29.99 1015.2
19 18:51 N 10 8.00 A Few Clouds FEW250 75.9 55.9 80.1 75.9 50% 78 29.99 1015.0
19 17:51 NE 9 8.00 A Few Clouds FEW035 FEW250 78.1 55 45% 79 29.99 1015.1
19 15:51 NE 9 8.00 A Few Clouds FEW035 79 57 47% 80 30.01 1015.7
19 14:51 NE 8 8.00 A Few Clouds FEW035 FEW250 79 57.9 49% 80 30.03 1016.3
19 13:51 NE 9 8.00 A Few Clouds FEW033 FEW250 78.1 59 52% 79 30.04 1016.7
19 12:51 NE 10 8.00 Partly Cloudy FEW033 SCT250 77 59 77 71.1 54% 79 30.04 1016.7
19 11:51 NE 12 8.00 Partly Cloudy SCT032 SCT250 75 60.1 60% 77 30.05 1017.1
19 10:51 E 9 8.00 Partly Cloudy SCT031 SCT250 75.9 60.1 58% 78 30.05 1017.2
19 09:51 NE 10 7.00 A Few Clouds FEW024 FEW250 75 61 62% 77 30.05 1017.2
19 08:51 NE 14 7.00 A Few Clouds FEW024 FEW250 73 61 66% 30.04 1016.8
19 07:51 E 9 6.00 Smoke FEW024 BKN250 72 61 68% 30.04 1016.8
19 06:51 NE 10 5.00 Smoke FEW024 FEW160 BKN250 71.1 62.1 71.1 69.1 73% 30.03 1016.4
19 05:51 N 9 6.00 Smoke SCT024 BKN150 69.1 62.1 78% 30.03 1016.3
19 04:51 NE 10 6.00 Smoke SCT020 BKN120 69.1 62.1 78% 30.01 1015.6
19 03:51 NE 12 6.00 Smoke OVC019 70 62.1 76% 30 1015.4
19 02:51 NE 10 6.00 Smoke SCT019 69.1 62.1 78% 30.01 1015.6
19 01:51 NE 14 5.00 Smoke FEW040 FEW110 69.1 62.1 78% 29.99 1015.1
19 00:51 NE 15 4.00 Smoke SCT110 70 63 79 70 79% 29.99 1014.8
18 23:51 N 15 4.00 Smoke FEW020 FEW120 71.1 61 71% 29.99 1015.1
18 22:51 NE 13 5.00 Smoke FEW030 72 62.1 71% 29.98 1014.6
18 21:51 NE 15 5.00 Smoke FEW024 FEW060 75 64.9 71% 77 29.97 1014.2
18 20:51 NE 15 5.00 Smoke FEW060 75.9 64 67% 78 29.94 1013.1
18 19:51 NE 13 6.00 Smoke FEW060 77 64 64% 79 29.9 1012.1
18 18:51 NE 14 G 22 6.00 Smoke SCT060 79 66 91 79 65% 81 29.9 1012.0
18 17:51 NE 14 8.00 A Few Clouds FEW060 FEW250 82.9 69.1 63% 87 29.89 1011.6
18 16:51 NE 16 10.00 Partly Cloudy FEW042 FEW060 SCT250 84 71.1 65% 89 29.86 1010.6
18 15:51 N 14 G 23 10.00 Partly Cloudy FEW042 SCT060 SCT250 91 63 39% 92 29.84 1009.9
18 14:51 N 13 G 16 10.00 Mostly Cloudy SCT042 BKN065 BKN080 BKN250 89.1 70 53% 94 29.85 1010.1
18 13:51 NW 13 G 22 10.00 Mostly Cloudy SCT041 BKN065 BKN080 BKN250 87.1 71.1 59% 93 29.87 1010.7
18 12:51 NW 13 10.00 Mostly Cloudy SCT036 SCT048 BKN080 BKN140 BKN250 84.9 73 88 79 68% 92 29.87 1010.7
18 11:51 NW 12 10.00 Light Rain BKN034CB BKN045 OVC080 82.9 72 70% 88 29.87 1011.0
18 10:51 NW 10 10.00 Mostly Cloudy SCT036 BKN085 BKN140 BKN250 86 71.1 61% 92 29.87 1010.9
18 09:51 W 12 G 20 10.00 Mostly Cloudy FEW070 SCT100 BKN200 BKN250 86 72 63% 92 29.87 1010.9
18 08:51 W 13 G 20 10.00 Mostly Cloudy FEW080 SCT110 BKN200 BKN250 82 72 72% 87 29.86 1010.4
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
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)