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.
01 06:51 W 9 16.09 Overcast OVC070 5.6 1.7 5.6 4.4 76% 4 76.15 1015.7
01 05:51 W 9 16.09 Overcast OVC075 5.6 1.7 76% 4 76.12 1015.2
01 04:51 SW 13 16.09 Overcast OVC070 5.6 1.7 76% 3 76.07 1014.5
01 03:51 SW 11 16.09 Overcast OVC070 5.6 1.7 76% 3 76.05 1014.1
01 02:51 W 11 16.09 Overcast OVC070 5.6 1.7 76% 3 76.05 1014.0
01 01:51 W 11 16.09 Overcast OVC075 5 1.7 79% 3 76.02 1014.0
01 00:51 Calm 16.09 A Few Clouds FEW075 5 2.2 9.4 5 82% 76 1013.6 0.18
31 23:51 W 7 16.09 Mostly Cloudy BKN075 6.1 2.2 76% 5 76 1013.4
31 22:51 W 9 16.09 Mostly Cloudy BKN075 6.7 3.3 79% 5 76 1013.7
31 21:51 W 11 16.09 Mostly Cloudy FEW050 BKN070 7.2 5.6 90% 5 76 1013.5 0.18
31 20:51 W 6 16.09 Mostly Cloudy SCT038 SCT048 BKN065 7.8 5.6 86% 75.97 1013.1 0.03
31 19:51 SW 11 12.87 Rain SCT020 BKN038 OVC047 7.8 5 83% 6 75.97 1013.1 0.15
31 18:51 Calm 16.09 Mostly Cloudy FEW045 SCT090 BKN210 9.4 2.8 11.7 9.4 64% 75.92 1012.3
31 17:51 NW 7 16.09 Mostly Cloudy BKN065 BKN090 BKN250 10 2.2 59% 9 75.9 1012.0
31 16:51 W 13 16.09 Mostly Cloudy FEW065 BKN080 BKN250 11.1 1.7 53% 75.9 1011.9
31 15:51 W 15 16.09 Mostly Cloudy FEW040 BKN085 BKN250 11.1 1.7 53% 75.84 1011.5
31 14:51 W 17 16.09 Mostly Cloudy FEW034 BKN085 10.6 2.2 56% 75.84 1011.2
31 13:51 W 17 G 33 16.09 Mostly Cloudy FEW034 BKN090 10.6 1.1 52% 75.84 1011.3
31 12:51 NW 19 G 33 16.09 Partly Cloudy FEW034 SCT085 SCT250 11.1 1.1 11.1 4.4 50% 75.87 1011.8
31 11:51 NW 19 G 33 16.09 A Few Clouds FEW030 FEW250 10.6 1.7 54% 75.9 1011.9
31 10:51 NW 15 16.09 A Few Clouds FEW030 FEW250 8.9 2.8 66% 7 75.87 1011.8
31 09:51 NW 15 16.09 A Few Clouds FEW065 FEW250 7.2 2.8 74% 5 75.87 1011.8
31 08:51 W 13 16.09 A Few Clouds FEW065 FEW250 6.1 2.2 76% 4 75.84 1011.5
31 07:51 W 11 16.09 A Few Clouds FEW065 FEW250 4.4 2.2 86% 2 75.79 1010.8
31 06:51 W 19 16.09 A Few Clouds FEW065 FEW250 5 2.2 6.1 5 82% 2 75.77 1010.5
31 05:51 W 13 16.09 A Few Clouds FEW065 FEW250 5 1.7 79% 2 75.77 1010.3
31 04:51 NW 17 16.09 Partly Cloudy FEW190 SCT250 5.6 1.7 76% 3 75.74 1009.9
31 03:51 NW 11 16.09 Partly Cloudy FEW190 SCT250 5.6 1.7 76% 3 75.72 1009.5
31 02:51 W 9 16.09 Mostly Cloudy FEW190 BKN250 5.6 1.1 73% 4 75.72 1009.6
31 01:51 W 9 16.09 Mostly Cloudy SCT190 BKN250 5.6 1.1 73% 4 75.72 1009.8
31 00:51 W 15 16.09 Overcast BKN190 OVC250 6.1 1.1 9.4 5.6 71% 3 75.74 1010.0
30 23:51 W 9 16.09 Mostly Cloudy FEW150 BKN250 6.1 1.1 71% 4 75.74 1009.9
30 22:51 W 7 16.09 Mostly Cloudy FEW045 BKN250 6.7 1.1 68% 6 75.77 1010.2
30 21:51 W 7 16.09 Mostly Cloudy FEW045 BKN250 7.8 1.7 66% 7 75.77 1010.5
30 20:51 W 6 16.09 Mostly Cloudy SCT045 BKN250 7.8 2.8 71% 75.79 1010.9
30 19:51 Calm 16.09 Mostly Cloudy FEW045 BKN250 8.9 2.2 63% 75.79 1010.8
30 18:51 NW 7 16.09 Partly Cloudy FEW043 SCT250 9.4 1.7 13.9 8.3 59% 9 75.79 1010.8
30 17:51 NE 9 16.09 Partly Cloudy FEW047 SCT250 9.4 1.7 59% 8 75.79 1010.7
30 16:51 NE 17 16.09 Partly Cloudy SCT045 SCT250 11.1 2.2 55% 75.77 1010.3
30 15:51 NE 19 16.09 Partly Cloudy SCT047 SCT250 12.2 2.8 53% 75.77 1010.2
30 14:51 N 19 G 28 16.09 Partly Cloudy FEW045 SCT250 13.9 2.2 45% 75.74 1010.1
30 13:51 N 22 G 39 16.09 A Few Clouds FEW039 FEW250 13.3 1.7 46% 75.77 1010.2
30 12:51 N 22 16.09 A Few Clouds FEW034 FEW250 12.8 2.2 12.8 5 49% 75.84 1011.2
30 11:51 N 22 16.09 A Few Clouds FEW032 FEW250 12.2 3.3 55% 75.92 1012.2
30 10:51 N 24 16.09 Partly Cloudy FEW025 SCT035 SCT250 11.1 4.4 64% 75.97 1012.8
30 09:51 N 22 G 35 16.09 Partly Cloudy SCT034 SCT250 10 5 71% 7 76 1013.4
30 08:51 N 13 16.09 Partly Cloudy SCT030 SCT250 7.8 5 83% 6 76 1013.4
30 07:51 N 15 16.09 A Few Clouds FEW028 FEW250 6.1 3.9 86% 3 75.97 1013.1
30 06:51 NW 11 16.09 A Few Clouds FEW028 FEW250 5.6 3.9 8.9 5 89% 3 75.97 1013.1
30 05:51 NW 11 16.09 A Few Clouds FEW030 5.6 3.9 89% 3 75.97 1013.1
30 04:51 N 13 16.09 A Few Clouds FEW030 5.6 3.3 85% 3 76 1013.2
30 03:51 NW 13 16.09 A Few Clouds FEW030 6.1 3.9 86% 4 76 1013.5
30 02:51 N 7 16.09 Fair CLR 5 2.8 86% 4 76.05 1013.9
30 01:51 NW 11 16.09 Partly Cloudy SCT033 6.7 3.9 83% 5 76.05 1014.0
30 00:51 N 15 16.09 A Few Clouds FEW030 6.7 3.9 13.9 6.7 83% 4 76.07 1014.3
29 23:51 NE 13 16.09 A Few Clouds FEW037 8.9 3.3 68% 7 76.12 1014.9
29 22:51 N 15 16.09 Partly Cloudy FEW023 FEW037 SCT047 8.3 6.1 86% 6 76.17 1015.5
29 21:51 N 17 16.09 Mostly Cloudy FEW027 SCT035 BKN048 9.4 6.1 80% 7 76.2 1016.1
29 20:51 N 22 16.09 Mostly Cloudy FEW027 BKN047 10.6 6.7 77% 76.2 1016.1
29 19:51 N 33 G 48 16.09 Mostly Cloudy and Breezy FEW019 SCT026 BKN037 12.2 6.7 69% 76.23 1016.4
29 18:51 N 35 16.09 Mostly Cloudy and Breezy SCT018 BKN026 BKN046 11.1 6.7 13.3 11.1 75% 76.23 1016.4
29 17:51 N 31 G 43 16.09 Mostly Cloudy SCT037 BKN050 11.1 5.6 69% 76.23 1016.2
29 16:51 NE 33 16.09 Mostly Cloudy and Breezy SCT037 BKN049 12.2 5 62% 76.2 1016.2
29 15:51 NE 39 G 52 16.09 Mostly Cloudy and Breezy BKN034 BKN043 12.2 4.4 59% 76.23 1016.2
29 14:51 NE 35 G 56 16.09 Mostly Cloudy and Breezy BKN035 11.7 3.3 57% 76.23 1016.2
29 13:51 E 35 G 52 16.09 Mostly Cloudy and Breezy BKN039 12.2 2.8 53% 76.25 1016.6
29 12:51 NE 35 G 46 16.09 Partly Cloudy and Breezy SCT038 SCT250 12.8 3.3 12.8 9.4 53% 76.25 1016.8
29 11:51 NE 37 G 54 16.09 A Few Clouds and Breezy FEW039 FEW250 12.2 2.2 51% 76.33 1017.6
29 10:51 E 28 G 48 16.09 Partly Cloudy SCT038 SCT250 12.2 1.7 49% 76.35 1018.0
29 09:51 NE 35 G 46 16.09 A Few Clouds and Breezy FEW028 FEW250 11.1 3.3 59% 76.33 1017.8
29 08:51 E 24 G 41 16.09 A Few Clouds FEW020 FEW250 10.6 5 69% 76.3 1017.4
29 07:51 E 22 16.09 A Few Clouds FEW016 FEW250 9.4 5 74% 7 76.28 1017.1
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)