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.
31 21:51 NE 24 16.09 Overcast OVC010 5 2.8 86% 1 76.25 1016.7
31 20:51 NE 33 16.09 Overcast and Breezy BKN010 OVC018 5.6 2.8 82% 1 76.2 1015.8
31 19:51 NE 22 16.09 Overcast BKN010 OVC045 6.1 3.3 82% 3 76.07 1014.1
31 18:51 NE 19 14.48 Overcast SCT014 OVC022 7.2 5 20 7.2 86% 4 75.97 1012.8
31 17:51 NE 20 16.09 Overcast FEW014 OVC019 8.9 6.1 83% 6 75.87 1011.5
31 16:51 NE 13 16.09 Overcast FEW015 OVC020 9.4 5.6 77% 8 75.77 1010.2
31 15:51 W 15 16.09 Overcast BKN032 BKN055 OVC080 19.4 13.9 71% 75.69 1008.7
31 14:51 SW 22 G 35 16.09 Overcast BKN037 BKN055 BKN080 OVC150 20 15 73% 75.64 1008.0
31 13:51 SW 13 16.09 Overcast FEW039 SCT110 BKN170 OVC250 18.9 15.6 81% 75.57 1007.2
31 10:51 SW 30 G 43 11.27 Thunderstorm Light Rain SCT049CB BKN100 OVC250 17.2 14.4 84% 75.59 1007.6 0.18
31 09:51 SW 26 G 48 16.09 Mostly Cloudy FEW050 SCT190 BKN250 20 12.8 63% 75.57 1006.9
31 07:51 SW 30 G 44 16.09 Overcast FEW050 SCT110 BKN160 OVC250 18.9 12.8 68% 75.57 1006.9
31 06:51 S 30 G 41 16.09 Overcast FEW080 BKN160 OVC250 18.9 12.2 20 18.9 65% 75.59 1007.1
31 05:51 S 20 16.09 Overcast FEW090 BKN150 OVC250 18.9 13.3 70% 75.54 1006.6
31 04:51 SW 17 16.09 Overcast SCT080 BKN150 OVC250 19.4 13.3 68% 75.64 1007.8
31 03:51 SW 26 G 43 16.09 Overcast FEW060 SCT150 OVC250 20 13.3 65% 75.67 1008.3
31 02:51 SW 22 G 44 16.09 Mostly Cloudy FEW150 BKN250 20 13.3 65% 75.59 1007.4
31 01:51 S 28 G 41 16.09 Mostly Cloudy BKN250 20 13.9 68% 75.59 1007.1
31 00:51 S 20 G 41 16.09 Partly Cloudy FEW050 SCT250 20 14.4 26.1 17.8 70% 75.57 1006.9 0.05
30 23:51 S 26 G 43 16.09 Overcast FEW050 SCT070 BKN090 OVC250 19.4 15 76% 75.57 1007.2 0.03
30 22:51 SW 33 G 54 14.48 Thunderstorm Light Rain and Breezy FEW050CB SCT075 BKN140 OVC250 21.1 15.6 71% 75.59 1007.4 0.03
30 21:51 S 33 G 52 16.09 Overcast and Breezy SCT075 BKN140 OVC250 23.3 14.4 57% 75.54 1006.8
30 20:51 S 24 G 44 16.09 Mostly Cloudy FEW120 SCT170 BKN250 24.4 12.8 48% 26 75.49 1006.3
30 19:51 S 28 G 52 16.09 Mostly Cloudy FEW170 BKN250 25 12.2 45% 26 75.44 1005.4
30 18:51 SW 22 G 43 16.09 Mostly Cloudy FEW055 FEW150 BKN300 26.1 12.2 27.2 23.3 42% 26 75.46 1005.9
30 17:51 SW 33 G 50 16.09 Mostly Cloudy and Breezy FEW060 BKN300 26.7 11.7 39% 27 75.49 1006.1
30 16:51 SW 26 G 44 16.09 Partly Cloudy FEW060 SCT300 26.7 11.7 39% 27 75.54 1006.9
30 15:51 SW 24 G 50 16.09 Partly Cloudy FEW055 SCT300 26.7 11.7 39% 27 75.59 1007.6
30 14:51 SW 30 G 46 16.09 Mostly Cloudy FEW055 BKN300 25.6 11.1 40% 26 75.67 1008.7
30 13:51 SW 20 G 39 16.09 A Few Clouds FEW300 25 11.1 42% 26 75.74 1009.5
30 12:51 SW 20 G 35 16.09 A Few Clouds FEW080 FEW300 23.3 10 23.3 12.2 43% 75.84 1010.9
30 11:51 SW 26 G 37 16.09 A Few Clouds FEW080 22.2 9.4 44% 75.92 1011.9
30 10:51 SW 28 G 37 16.09 A Few Clouds FEW250 20 8.3 47% 75.92 1012.0
30 09:51 S 20 G 39 16.09 Mostly Cloudy SCT085 BKN250 17.2 7.2 52% 75.97 1012.9
30 07:51 SW 15 16.09 Overcast OVC080 13.3 5 57% 76.02 1013.5
30 06:51 S 11 16.09 Mostly Cloudy BKN070 BKN250 12.2 4.4 12.2 10 59% 76.02 1013.6
30 05:51 SW 15 16.09 A Few Clouds FEW070 FEW250 11.7 3.3 57% 76.05 1013.6
30 04:51 SW 11 16.09 A Few Clouds FEW150 11.7 2.8 55% 76.05 1013.8
30 03:51 S 11 16.09 A Few Clouds FEW150 11.1 2.2 55% 76.05 1013.9
30 02:51 S 9 16.09 Partly Cloudy SCT150 10 0.6 52% 9 76.1 1014.5
30 01:51 Calm 16.09 Fair CLR 10.6 0 48% 76.15 1015.1
30 00:51 S 7 16.09 Fair CLR 11.1 0 16.1 11.1 47% 76.15 1015.3
29 23:51 S 11 16.09 Fair CLR 11.7 0 45% 76.2 1015.8
29 22:51 S 9 16.09 A Few Clouds FEW055 12.8 -0.6 40% 76.25 1016.8
29 21:51 SW 9 16.09 Mostly Cloudy SCT050 BKN250 13.9 -0.6 37% 76.28 1017.0
29 20:51 S 15 G 30 16.09 Overcast BKN043 BKN055 OVC250 15 -1.1 33% 76.28 1017.0
29 19:51 SW 22 G 33 16.09 Overcast BKN048 BKN060 OVC250 15.6 -2.2 30% 76.25 1016.7
29 18:51 SW 20 G 31 16.09 Overcast BKN045 BKN060 OVC250 16.1 -2.8 17.2 16.1 27% 76.25 1016.8
29 17:51 SW 24 G 37 16.09 Overcast SCT050 BKN065 OVC250 16.7 -3.3 25% 76.25 1016.6
29 16:51 S 22 G 39 16.09 Overcast BKN070 OVC250 16.7 -3.3 25% 76.28 1017.2
29 15:51 S 22 G 37 16.09 Mostly Cloudy SCT065 BKN080 BKN250 17.2 -3.9 24% 76.35 1018.1
29 14:51 SW 22 G 35 16.09 Overcast OVC070 16.7 -5 22% 76.43 1019.0
29 13:51 SW 24 G 43 16.09 Mostly Cloudy BKN080 BKN200 BKN250 16.7 -6.1 21% 76.48 1019.6
29 12:51 S 24 G 37 16.09 Mostly Cloudy BKN090 BKN200 BKN250 15.6 -4.4 15.6 5 25% 76.56 1020.7
29 11:51 S 26 G 35 16.09 Mostly Cloudy BKN100 BKN250 14.4 -3.9 28% 76.61 1021.5
29 10:51 SW 24 16.09 Mostly Cloudy BKN100 BKN250 12.2 -3.9 33% 76.68 1022.5
29 09:51 SW 20 G 39 16.09 Mostly Cloudy BKN110 BKN250 10 -3.3 39% 8 76.71 1022.9
29 08:51 SW 24 16.09 Mostly Cloudy BKN110 BKN250 7.8 -3.3 46% 5 76.73 1023.5
29 07:51 S 19 16.09 Mostly Cloudy BKN110 BKN250 6.1 -2.8 53% 3 76.76 1023.6
29 05:51 S 15 16.09 Mostly Cloudy FEW120 SCT210 BKN250 5 -2.2 60% 2 76.78 1024.2
29 04:51 SW 11 16.09 Mostly Cloudy FEW120 BKN210 BKN250 5 -1.7 62% 3 76.81 1024.4
29 03:51 SW 11 16.09 Mostly Cloudy SCT110 SCT220 BKN250 5 -1.7 62% 3 76.86 1025.0
29 01:51 SW 11 16.09 Overcast BKN200 OVC250 6.1 -2.2 56% 4 76.91 1025.9
29 00:51 SW 17 16.09 Overcast FEW110 SCT200 OVC250 6.7 -2.2 8.9 6.1 53% 4 76.94 1026.2
28 23:51 S 20 16.09 Mostly Cloudy FEW110 BKN250 6.7 -2.8 51% 3 76.94 1026.1
28 22:51 S 19 16.09 Mostly Cloudy FEW110 BKN250 6.7 -2.8 51% 4 76.94 1026.3
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)