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.
20 12:51 N 14 10.00 A Few Clouds FEW046 FEW250 77 57 78.1 64 50% 79 30.06 1017.3
20 11:51 N 15 10.00 A Few Clouds FEW050 77 55 47% 78 30.07 1017.6
20 10:51 N 14 G 20 10.00 A Few Clouds FEW050 75 55.9 52% 78 30.06 1017.6
20 09:51 N 10 10.00 Fair CLR 73 57 57% 30.05 1017.1
20 08:51 N 8 10.00 Fair CLR 71.1 57 61% 30.03 1016.6
20 07:51 N 7 10.00 Fair CLR 66.9 57 71% 30.02 1016.2
20 06:51 N 7 10.00 A Few Clouds FEW055 64 55.9 70 62.1 75% 30 1015.7
20 05:51 N 7 10.00 A Few Clouds FEW250 62.1 55.9 80% 29.99 1015.0
20 04:51 N 8 10.00 A Few Clouds FEW250 63 57 81% 29.97 1014.5
20 03:51 N 3 10.00 Mostly Cloudy SCT060 BKN250 64.9 57 76% 29.98 1014.7
20 02:51 N 6 10.00 Mostly Cloudy SCT055 BKN250 66.9 57 71% 29.96 1014.1
20 01:51 N 8 10.00 Mostly Cloudy BKN250 68 55.9 65% 29.95 1013.8
20 00:51 N 7 10.00 Mostly Cloudy BKN250 70 55.9 73 69.1 61% 29.97 1014.4
19 23:51 NE 8 10.00 Mostly Cloudy BKN250 71.1 55 57% 29.97 1014.4
19 22:51 NE 8 10.00 Mostly Cloudy BKN250 72 57 59% 29.96 1014.2
19 21:51 E 8 10.00 Mostly Cloudy BKN250 72 57 59% 29.96 1014.1
19 20:51 NE 7 10.00 Overcast OVC250 72 59 64% 29.95 1013.7
19 19:51 NE 12 10.00 Overcast FEW030 OVC250 72 63 73% 29.94 1013.4
19 18:51 NE 13 10.00 Overcast FEW035 FEW100 OVC250 73 62.1 80.1 73 69% 29.92 1012.7
19 17:51 NE 12 10.00 Mostly Cloudy FEW035 FEW100 BKN250 75 64 69% 77 29.93 1013.2
19 16:51 NE 13 10.00 Mostly Cloudy FEW035 BKN250 75.9 64 67% 78 29.92 1012.9
19 15:51 E 10 10.00 Mostly Cloudy FEW035 BKN250 78.1 64 62% 80 29.93 1013.0
19 14:51 NE 14 G 20 10.00 Mostly Cloudy SCT035 BKN250 79 64.9 62% 81 29.93 1013.0
19 13:51 NE 8 10.00 Mostly Cloudy SCT032 BKN250 79 66 65% 81 29.93 1013.2
19 12:51 Vrbl 6 10.00 Partly Cloudy SCT030 SCT250 79 66 79 66.9 65% 81 29.94 1013.4
19 11:51 Vrbl 3 10.00 Partly Cloudy FEW020 FEW080 SCT250 77 66 69% 79 29.96 1014.1
19 10:51 Calm 10.00 Mostly Cloudy FEW016 BKN070 BKN085 BKN250 75 66 74% 76 29.95 1013.9
19 09:51 N 8 10.00 Partly Cloudy FEW012 FEW080 SCT250 72 66 82% 29.94 1013.5
19 08:51 NE 6 10.00 Mostly Cloudy FEW012 SCT080 BKN250 70 64 82% 29.94 1013.4
19 07:51 NE 8 10.00 Mostly Cloudy FEW085 FEW150 BKN250 69.1 63 81% 29.94 1013.4
19 06:51 Calm 10.00 Mostly Cloudy FEW150 BKN250 66.9 64 66.9 64.9 91% 29.94 1013.3
19 05:51 NW 3 10.00 Partly Cloudy SCT250 66 64 93% 29.91 1012.5
19 04:51 Calm 10.00 Partly Cloudy SCT250 66 64.9 96% 29.91 1012.5
19 03:51 Calm 10.00 Mostly Cloudy BKN250 66 64.9 96% 29.92 1012.7
19 02:51 NW 3 10.00 Partly Cloudy SCT250 66 64.9 96% 29.93 1012.9
19 01:51 SW 6 10.00 Fair CLR 66.9 64.9 93% 29.91 1012.3
19 00:51 SW 5 10.00 A Few Clouds FEW130 66.9 64.9 75.9 66.9 93% 29.9 1011.9 0.13
18 23:51 SW 3 10.00 A Few Clouds FEW110 66.9 66 97% 29.91 1012.2
18 22:51 SW 6 10.00 Partly Cloudy FEW080 SCT110 66.9 66 97% 29.91 1012.3 0.13
18 21:51 NW 23 G 33 3.00 Thunderstorm Light Rain Fog/Mist and Breezy BKN040CB BKN060 BKN085 OVC130 73 66.9 81% 29.94 1013.4
18 20:51 SW 6 10.00 Mostly Cloudy FEW035 SCT070 BKN120 BKN250 75.9 66.9 74% 77 29.91 1012.5
18 19:51 SW 7 10.00 Mostly Cloudy FEW037 FEW075 BKN110 BKN250 75.9 66.9 74% 77 29.9 1011.9
18 18:51 SW 8 10.00 Mostly Cloudy FEW037 SCT085 BKN130 BKN250 75.9 64.9 79 75.9 69% 78 29.91 1012.4
18 17:51 SW 10 10.00 Mostly Cloudy FEW037 BKN100 BKN250 77 66 69% 79 29.92 1012.7
18 16:51 SW 8 10.00 Overcast FEW037 BKN100 OVC250 77 66 69% 79 29.93 1013.0
18 15:51 SW 10 10.00 Overcast SCT031 BKN130 OVC250 78.1 66 67% 80 29.93 1013.2
18 14:51 SW 14 G 20 10.00 Overcast FEW040 BKN130 OVC250 79 64.9 62% 81 29.95 1013.9
18 13:51 W 8 10.00 Overcast FEW040 BKN130 OVC250 78.1 64.9 64% 80 29.97 1014.4
18 12:51 SW 12 10.00 Overcast FEW045 FEW120 BKN150 OVC250 79 63 81 66.9 58% 81 29.98 1014.6
18 11:51 SW 10 G 20 10.00 Mostly Cloudy FEW150 BKN250 79 62.1 56% 80 29.98 1014.9
18 10:51 SW 10 10.00 Mostly Cloudy SCT150 BKN220 BKN250 77 62.1 60% 79 30.01 1015.6
18 09:51 SW 7 10.00 Mostly Cloudy FEW120 BKN250 73 63 71% 29.99 1015.3
18 08:51 SW 6 10.00 Mostly Cloudy FEW110 BKN250 71.1 63 76% 30 1015.6
18 07:51 SW 7 10.00 Mostly Cloudy FEW110 FEW200 BKN300 70 62.1 76% 30.01 1015.7
18 06:51 SW 3 10.00 Mostly Cloudy FEW200 BKN300 66.9 62.1 69.1 66 84% 30.01 1015.9
18 05:51 SW 6 10.00 Partly Cloudy FEW070 SCT300 66 62.1 87% 30.01 1015.6
18 04:51 SW 8 10.00 Partly Cloudy SCT300 66.9 62.1 84% 30.01 1015.8
18 03:51 SW 7 10.00 Fair CLR 66.9 62.1 84% 30 1015.4
18 02:51 SW 7 10.00 Partly Cloudy SCT300 68 62.1 81% 30 1015.5
18 01:51 SW 7 10.00 Partly Cloudy SCT300 69.1 61 76% 30.01 1015.8
18 00:51 SW 7 10.00 A Few Clouds FEW250 68 59 77 68 73% 30.02 1016.3
17 23:51 SW 6 10.00 Fair CLR 70 57.9 66% 30.01 1015.8
17 22:51 S 6 10.00 Fair CLR 70 57.9 66% 30.01 1015.9
17 21:51 S 7 10.00 Fair CLR 71.1 57 61% 30 1015.5
17 20:51 S 7 10.00 Partly Cloudy SCT250 72 55.9 57% 30 1015.4
17 19:51 SE 3 10.00 Mostly Cloudy FEW045 BKN250 75 59 58% 77 29.99 1015.0
17 18:51 E 3 10.00 Partly Cloudy FEW045 FEW065 SCT250 77 60.1 80.1 73.9 56% 79 29.99 1014.9
17 17:51 NW 7 10.00 Partly Cloudy SCT045 SCT065 79 57.9 49% 80 30 1015.4
17 16:51 N 6 10.00 Mostly Cloudy SCT045 BKN065 78.1 61 56% 80 30 1015.5
17 15:51 NE 8 10.00 Mostly Cloudy SCT042 BKN065 78.1 62.1 58% 80 30.01 1015.8
17 14:51 N 10 10.00 Mostly Cloudy SCT035 BKN065 BKN250 77 62.1 60% 79 30.02 1016.2
17 13:51 NE 7 10.00 Mostly Cloudy SCT038 BKN065 77 63 62% 79 30.02 1016.3
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)