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 01:51 Calm 16.09 Mostly Cloudy BKN250 13.3 7.2 67% 76.53 1020.2
31 00:51 Calm 16.09 Mostly Cloudy BKN250 12.2 7.2 17.2 12.2 72% 76.56 1020.6
30 23:51 N 7 16.09 Mostly Cloudy BKN250 12.8 6.7 67% 76.53 1020.3
30 22:51 N 9 16.09 Partly Cloudy FEW200 SCT250 13.3 6.7 65% 76.53 1020.3
30 21:51 N 13 16.09 Mostly Cloudy SCT200 BKN250 13.9 6.1 60% 76.53 1020.0
30 20:51 NE 17 16.09 Mostly Cloudy SCT200 BKN250 14.4 5.6 56% 76.5 1019.8
30 19:51 NE 26 16.09 Mostly Cloudy SCT200 BKN250 15.6 5 50% 76.43 1019.0
30 18:51 NE 19 16.09 Mostly Cloudy SCT170 BKN250 17.2 5 22.8 17.2 45% 76.43 1018.9
30 17:51 N 24 16.09 Mostly Cloudy SCT170 BKN250 18.3 5.6 43% 76.43 1019.0
30 16:51 NE 24 16.09 Mostly Cloudy SCT200 BKN250 19.4 3.9 36% 76.43 1018.8
30 15:51 NE 24 16.09 Mostly Cloudy FEW200 BKN250 20.6 3.3 32% 76.43 1018.8
30 14:51 NE 22 16.09 Mostly Cloudy FEW200 BKN250 21.7 4.4 32% 76.45 1018.9
30 13:51 NE 20 G 33 16.09 Mostly Cloudy BKN250 22.8 4.4 30% 76.45 1018.9
30 12:51 NE 20 16.09 Mostly Cloudy BKN250 22.2 6.1 22.8 15 35% 76.45 1019.1
30 11:51 E 17 16.09 Mostly Cloudy BKN250 21.1 6.7 39% 76.45 1019.1
30 10:51 NE 20 16.09 Mostly Cloudy FEW210 BKN250 19.4 7.2 45% 76.43 1018.7
30 09:51 NE 20 16.09 Mostly Cloudy FEW210 BKN250 18.9 8.3 50% 76.4 1018.3
30 08:51 E 17 16.09 Mostly Cloudy FEW200 BKN250 19.4 9.4 53% 76.38 1017.9
30 07:51 E 20 16.09 Mostly Cloudy FEW200 BKN250 17.8 10.6 63% 76.33 1017.3
30 06:51 NE 11 16.09 Mostly Cloudy FEW200 BKN250 15 10.6 17.2 13.3 75% 76.3 1016.9
30 05:51 N 11 16.09 Mostly Cloudy BKN250 13.9 10.6 81% 76.25 1016.3
30 03:51 NE 7 16.09 Mostly Cloudy BKN250 15 10.6 75% 76.2 1015.5
30 02:51 NE 11 16.09 Mostly Cloudy BKN250 16.1 10.6 70% 76.17 1015.0
30 01:51 N 6 16.09 Mostly Cloudy BKN250 16.1 11.1 72% 76.15 1014.7
30 00:51 Calm 16.09 Mostly Cloudy BKN250 17.2 11.1 25.6 16.7 68% 76.15 1014.7
29 23:51 N 9 16.09 Mostly Cloudy BKN250 17.8 11.7 68% 76.12 1014.6
29 22:51 NE 11 16.09 Mostly Cloudy BKN250 18.9 11.1 61% 76.12 1014.4
29 21:51 NE 19 16.09 Mostly Cloudy BKN250 19.4 11.1 59% 76.1 1014.1
29 20:51 E 9 16.09 Mostly Cloudy FEW200 BKN300 23.9 7.2 34% 25 76.05 1013.3
29 19:51 SE 11 16.09 Overcast FEW200 OVC300 23.9 8.3 37% 25 76.02 1013.3
29 18:51 E 17 16.09 Mostly Cloudy FEW200 BKN300 25.6 8.3 29.4 25.6 33% 26 76.05 1013.5
29 17:51 E 19 16.09 Overcast FEW180 SCT230 OVC300 26.7 8.9 33% 26 76.05 1013.7
29 16:51 E 17 16.09 Mostly Cloudy BKN300 27.2 9.4 33% 27 76.07 1013.9
29 15:51 E 11 16.09 Mostly Cloudy BKN300 28.9 8.9 29% 28 76.1 1014.1
29 13:51 Vrbl 6 16.09 Mostly Cloudy BKN300 27.8 9.4 32% 27 76.2 1015.6
29 12:51 Vrbl 11 16.09 Mostly Cloudy BKN300 26.7 8.9 26.7 12.8 33% 26 76.25 1016.3
29 11:51 SW 7 16.09 Mostly Cloudy BKN300 25.6 10 37% 26 76.33 1017.4
29 10:51 S 7 16.09 Mostly Cloudy BKN300 23.9 11.1 45% 25 76.4 1018.2
29 09:51 S 11 16.09 Mostly Cloudy BKN300 22.8 11.1 48% 76.43 1018.5
29 08:51 S 11 16.09 Mostly Cloudy BKN300 20 11.1 57% 76.43 1018.9
29 07:51 S 7 16.09 Mostly Cloudy BKN300 16.7 10 65% 76.45 1019.4
29 06:51 Calm 16.09 Mostly Cloudy BKN300 12.8 8.9 12.8 9.4 77% 76.45 1019.3
29 05:51 N 6 16.09 Mostly Cloudy FEW200 BKN300 10.6 7.8 83% 76.45 1019.2
29 04:51 N 13 16.09 Partly Cloudy SCT300 11.1 7.8 80% 76.45 1019.2
29 03:51 NE 9 16.09 Partly Cloudy SCT300 10.6 6.7 77% 76.45 1019.2
29 02:51 N 11 16.09 A Few Clouds FEW300 11.1 6.7 75% 76.45 1019.3
29 01:51 N 11 16.09 Partly Cloudy SCT300 9.4 6.1 80% 8 76.48 1019.6
29 00:51 N 9 16.09 Partly Cloudy SCT300 10.6 6.1 16.7 10.6 74% 76.53 1020.2
28 23:51 N 11 16.09 Partly Cloudy SCT300 12.2 6.1 67% 76.56 1020.6
28 22:51 NE 15 16.09 Partly Cloudy SCT300 12.8 6.1 64% 76.58 1021.0
28 21:51 NE 17 16.09 Mostly Cloudy BKN300 13.3 6.1 62% 76.58 1021.1
28 20:51 N 17 16.09 Mostly Cloudy BKN300 13.9 6.1 60% 76.58 1020.8
28 19:51 N 20 16.09 Mostly Cloudy BKN300 15 5.6 54% 76.58 1020.9
28 18:51 NE 26 16.09 Mostly Cloudy BKN300 16.7 5.6 22.2 16.7 48% 76.58 1020.9
28 17:51 N 30 16.09 Mostly Cloudy BKN300 18.3 6.1 45% 76.61 1021.1
28 16:51 N 20 16.09 Partly Cloudy SCT300 19.4 6.7 44% 76.61 1021.2
28 14:51 NE 22 16.09 A Few Clouds FEW300 20.6 7.2 42% 76.66 1021.8
28 13:51 NE 22 G 37 16.09 A Few Clouds FEW300 21.7 7.8 41% 76.68 1022.1
28 12:51 NE 20 G 30 16.09 Partly Cloudy SCT300 21.1 8.9 21.1 15 46% 76.68 1022.1
28 11:51 NE 17 16.09 Partly Cloudy SCT300 20 8.3 47% 76.71 1022.6
28 10:51 NE 15 16.09 Mostly Cloudy BKN300 20 8.9 49% 76.73 1022.6
28 09:51 NE 17 16.09 A Few Clouds FEW300 18.9 8.9 52% 76.68 1022.1
28 08:51 NE 20 16.09 A Few Clouds FEW300 17.8 8.3 54% 76.68 1022.1
28 07:51 N 19 16.09 A Few Clouds FEW080 FEW300 16.1 7.8 58% 76.66 1021.9
28 06:51 NE 19 16.09 Partly Cloudy FEW080 SCT250 15 7.8 16.7 13.9 62% 76.63 1021.3
28 05:51 N 19 16.09 Partly Cloudy FEW080 SCT250 13.9 7.8 67% 76.58 1020.6
28 04:51 N 20 16.09 A Few Clouds FEW050 FEW250 14.4 7.2 62% 76.53 1019.9
28 03:51 N 17 16.09 A Few Clouds FEW250 15 7.8 62% 76.48 1019.3
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)