Weather observations for the past three days for
Chicago, Chicago-O'Hare International Airport
Metric (Imperial)
Date Time (cdt) Wind (kph) Vis. (km) Weather Sky Cond. Temperature (ºC) Relative Humidity Wind Chill (°C) Heat Index (°C) Pressure Precipitation (cm)
Air Dwpt 6 hour altimeter (cm) sea level (mb) 1 hr 3 hr 6 hr
Max. Min.
21 23:51 SW 9 16.09 Partly Cloudy FEW040 SCT250 22.2 19.4 84% 76 1012.7
21 21:51 S 9 16.09 Mostly Cloudy BKN039 BKN250 23.3 18.9 76% 76 1012.7
21 20:51 S 9 16.09 Overcast FEW037 SCT050 BKN180 OVC250 23.3 18.3 74% 76.02 1013.1
21 19:51 S 11 16.09 Mostly Cloudy FEW040 SCT150 BKN250 23.9 18.3 71% 25 76.02 1013.0
21 18:51 SW 15 16.09 Overcast FEW045 SCT140 BKN190 OVC250 24.4 17.8 26.7 23.3 67% 25 76.05 1013.4
21 17:51 S 15 16.09 Mostly Cloudy FEW045 SCT130 BKN250 25 17.8 64% 26 76.07 1013.9
21 16:51 SW 20 G 31 16.09 Mostly Cloudy FEW045 SCT130 BKN250 26.7 17.8 58% 28 76.07 1013.9
21 15:51 SW 17 16.09 Mostly Cloudy FEW045 SCT130 BKN300 25 16.7 60% 26 76.12 1014.5
21 14:51 SW 13 16.09 Mostly Cloudy FEW040 SCT130 BKN300 26.1 16.1 54% 27 76.2 1015.4
21 13:51 S 11 16.09 Mostly Cloudy BKN036 25 16.7 60% 26 76.25 1016.2
21 12:51 SW 13 16.09 Light Rain SCT039 BKN055 BKN120 BKN250 23.9 16.1 24.4 17.8 62% 25 76.33 1017.3
21 11:51 SW 17 16.09 Light Rain FEW048 BKN120 OVC250 23.9 15.6 60% 25 76.35 1017.5
21 10:51 SW 13 16.09 Mostly Cloudy SCT170 BKN250 23.9 16.1 62% 25 76.35 1017.6
21 09:51 S 6 16.09 Mostly Cloudy BKN110 BKN250 22.2 15 64% 76.33 1017.1
21 08:51 SW 15 16.09 Partly Cloudy FEW150 SCT250 21.1 16.1 73% 76.33 1017.2
21 07:51 SW 7 16.09 Mostly Cloudy BKN160 BKN250 19.4 15.6 79% 76.33 1017.4
21 06:51 SW 6 12.87 Partly Cloudy SCT140 17.8 15 18.3 16.7 84% 76.35 1017.6
21 05:51 Calm 12.87 Partly Cloudy FEW150 SCT250 17.2 14.4 84% 76.35 1017.5
21 04:51 SW 7 14.48 Fair CLR 17.2 14.4 84% 76.3 1017.0
21 03:51 W 7 14.48 Fair CLR 17.2 14.4 84% 76.33 1017.1
21 02:51 W 7 16.09 Partly Cloudy SCT180 SCT250 17.8 14.4 81% 76.3 1017.0
21 01:51 Calm 14.48 Partly Cloudy SCT150 SCT250 18.3 14.4 78% 76.33 1017.3
21 00:51 Calm 16.09 A Few Clouds FEW250 18.9 14.4 23.3 18.3 75% 76.4 1018.1
20 23:51 Calm 16.09 A Few Clouds FEW170 FEW250 18.9 14.4 75% 76.4 1018.2
20 22:51 Calm 16.09 A Few Clouds FEW170 FEW250 19.4 13.9 71% 76.38 1017.8
20 21:51 E 9 16.09 A Few Clouds FEW250 20.6 13.3 63% 76.35 1017.6
20 20:51 E 6 16.09 A Few Clouds FEW250 20.6 12.8 61% 76.38 1017.9
20 19:51 NE 13 16.09 Mostly Cloudy BKN250 22.2 13.3 57% 76.33 1017.3
20 18:51 NE 15 16.09 Mostly Cloudy BKN250 23.3 13.9 25.6 23.3 56% 76.33 1017.3
20 17:51 NE 13 16.09 Mostly Cloudy FEW045 BKN250 24.4 13.9 52% 26 76.33 1017.3
20 16:51 N 13 16.09 Partly Cloudy FEW045 SCT250 25 12.8 47% 26 76.3 1016.9
20 15:51 NE 19 16.09 Partly Cloudy FEW045 SCT250 25 13.9 50% 26 76.3 1016.9
20 14:51 NE 17 16.09 Partly Cloudy FEW045 SCT250 24.4 13.3 50% 26 76.33 1017.3
20 13:51 N 15 16.09 Partly Cloudy SCT045 SCT250 25 14.4 52% 26 76.33 1017.1
20 12:51 N 22 16.09 A Few Clouds FEW046 FEW250 25 13.9 25.6 17.8 50% 26 76.35 1017.3
20 11:51 N 24 16.09 A Few Clouds FEW050 25 12.8 47% 26 76.38 1017.6
20 10:51 N 22 G 31 16.09 A Few Clouds FEW050 23.9 13.3 52% 25 76.35 1017.6
20 09:51 N 17 16.09 Fair CLR 22.8 13.9 57% 76.33 1017.1
20 08:51 N 13 16.09 Fair CLR 21.7 13.9 61% 76.28 1016.6
20 07:51 N 11 16.09 Fair CLR 19.4 13.9 71% 76.25 1016.2
20 06:51 N 11 16.09 A Few Clouds FEW055 17.8 13.3 21.1 16.7 75% 76.2 1015.7
20 05:51 N 11 16.09 A Few Clouds FEW250 16.7 13.3 80% 76.17 1015.0
20 04:51 N 13 16.09 A Few Clouds FEW250 17.2 13.9 81% 76.12 1014.5
20 03:51 N 6 16.09 Mostly Cloudy SCT060 BKN250 18.3 13.9 76% 76.15 1014.7
20 02:51 N 9 16.09 Mostly Cloudy SCT055 BKN250 19.4 13.9 71% 76.1 1014.1
20 01:51 N 13 16.09 Mostly Cloudy BKN250 20 13.3 65% 76.07 1013.8
20 00:51 N 11 16.09 Mostly Cloudy BKN250 21.1 13.3 22.8 20.6 61% 76.12 1014.4
19 23:51 NE 13 16.09 Mostly Cloudy BKN250 21.7 12.8 57% 76.12 1014.4
19 22:51 NE 13 16.09 Mostly Cloudy BKN250 22.2 13.9 59% 76.1 1014.2
19 21:51 E 13 16.09 Mostly Cloudy BKN250 22.2 13.9 59% 76.1 1014.1
19 20:51 NE 11 16.09 Overcast OVC250 22.2 15 64% 76.07 1013.7
19 19:51 NE 19 16.09 Overcast FEW030 OVC250 22.2 17.2 73% 76.05 1013.4
19 18:51 NE 20 16.09 Overcast FEW035 FEW100 OVC250 22.8 16.7 26.7 22.8 69% 76 1012.7
19 17:51 NE 19 16.09 Mostly Cloudy FEW035 FEW100 BKN250 23.9 17.8 69% 25 76.02 1013.2
19 16:51 NE 20 16.09 Mostly Cloudy FEW035 BKN250 24.4 17.8 67% 25 76 1012.9
19 15:51 E 17 16.09 Mostly Cloudy FEW035 BKN250 25.6 17.8 62% 27 76.02 1013.0
19 14:51 NE 22 G 31 16.09 Mostly Cloudy SCT035 BKN250 26.1 18.3 62% 27 76.02 1013.0
19 13:51 NE 13 16.09 Mostly Cloudy SCT032 BKN250 26.1 18.9 65% 27 76.02 1013.2
19 12:51 Vrbl 9 16.09 Partly Cloudy SCT030 SCT250 26.1 18.9 26.1 19.4 65% 27 76.05 1013.4
19 11:51 Vrbl 6 16.09 Partly Cloudy FEW020 FEW080 SCT250 25 18.9 69% 26 76.1 1014.1
19 10:51 Calm 16.09 Mostly Cloudy FEW016 BKN070 BKN085 BKN250 23.9 18.9 74% 25 76.07 1013.9
19 09:51 N 13 16.09 Partly Cloudy FEW012 FEW080 SCT250 22.2 18.9 82% 76.05 1013.5
19 08:51 NE 9 16.09 Mostly Cloudy FEW012 SCT080 BKN250 21.1 17.8 82% 76.05 1013.4
19 07:51 NE 13 16.09 Mostly Cloudy FEW085 FEW150 BKN250 20.6 17.2 81% 76.05 1013.4
19 06:51 Calm 16.09 Mostly Cloudy FEW150 BKN250 19.4 17.8 19.4 18.3 91% 76.05 1013.3
19 05:51 NW 6 16.09 Partly Cloudy SCT250 18.9 17.8 93% 75.97 1012.5
19 04:51 Calm 16.09 Partly Cloudy SCT250 18.9 18.3 96% 75.97 1012.5
19 03:51 Calm 16.09 Mostly Cloudy BKN250 18.9 18.3 96% 76 1012.7
19 02:51 NW 6 16.09 Partly Cloudy SCT250 18.9 18.3 96% 76.02 1012.9
19 01:51 SW 9 16.09 Fair CLR 19.4 18.3 93% 75.97 1012.3
19 00:51 SW 7 16.09 A Few Clouds FEW130 19.4 18.3 24.4 19.4 93% 75.95 1011.9 0.33
Date Time (cdt) Wind (kph) Vis. (km) Weather Sky Cond. Air Dwpt Max. Min. Relative Humidity Wind Chill (°C) Heat Index (°C) altimeter (cm) sea level (mb) 1 hr 3 hr 6 hr
6 hour
Temperature (ºC) Pressure Precipitation (cm)