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.
25 18:51 SW 19 16.09 Overcast OVC025 25 20 26.7 23.9 74% 26 76.02 1013.0
25 17:51 SW 13 16.09 Overcast OVC025 25.6 19.4 69% 27 76.05 1013.5
25 16:51 SW 11 16.09 Mostly Cloudy BKN022 BKN039 25.6 19.4 69% 27 76.05 1013.5
25 15:51 S 17 16.09 Mostly Cloudy BKN022 BKN039 26.7 19.4 64% 28 76.05 1013.6
25 14:51 SW 17 16.09 Mostly Cloudy BKN022 BKN060 25.6 18.9 67% 27 76.1 1014.2
25 13:51 SW 19 G 31 16.09 Mostly Cloudy BKN025 BKN045 25 18.3 66% 26 76.12 1014.6
25 12:51 SW 15 16.09 Overcast BKN026 OVC038 23.9 17.2 25 18.3 66% 25 76.2 1015.4
25 11:51 SW 11 16.09 Overcast BKN031 OVC043 23.9 16.1 62% 25 76.25 1016.1
25 10:51 S 19 G 31 16.09 Mostly Cloudy FEW043 BKN070 BKN120 BKN250 25 16.1 58% 26 76.17 1015.1
25 09:51 S 15 16.09 Mostly Cloudy FEW039 BKN060 BKN120 BKN250 23.3 15 60% 76.23 1015.8
25 08:51 S 11 16.09 Overcast FEW038 BKN060 BKN110 OVC250 21.7 15 66% 76.25 1016.1
25 07:51 S 9 16.09 Mostly Cloudy FEW045 BKN070 BKN250 20 14.4 70% 76.25 1016.3
25 06:51 S 13 16.09 Mostly Cloudy SCT045 BKN250 18.3 13.9 20 17.2 76% 76.25 1016.1
25 05:51 S 7 16.09 Partly Cloudy FEW030 SCT250 17.2 13.9 81% 76.28 1016.6
25 04:51 S 11 16.09 A Few Clouds FEW250 17.8 13.9 78% 76.25 1016.2
25 03:51 S 9 16.09 A Few Clouds FEW250 17.2 13.9 81% 76.25 1016.3
25 02:51 S 11 16.09 A Few Clouds FEW050 FEW250 18.3 13.9 76% 76.28 1016.6
25 01:51 S 7 16.09 Fair CLR 19.4 13.9 71% 76.3 1016.8
25 00:51 S 9 16.09 Fair CLR 20 13.9 25 19.4 68% 76.3 1016.9
24 23:51 S 7 16.09 Fair CLR 20 13.9 68% 76.35 1017.5
24 22:51 S 7 16.09 A Few Clouds FEW050 21.1 12.8 59% 76.38 1017.8
24 21:51 SW 9 16.09 Fair CLR 22.2 12.8 55% 76.35 1017.5
24 20:51 S 15 16.09 A Few Clouds FEW055 FEW250 22.8 12.2 51% 76.33 1017.3
24 19:51 S 11 16.09 A Few Clouds FEW055 FEW250 23.9 12.2 48% 25 76.35 1017.4
24 18:51 S 11 16.09 Partly Cloudy FEW055 SCT250 25 11.7 26.7 24.4 43% 26 76.33 1017.3
24 17:51 SW 9 16.09 Partly Cloudy SCT065 SCT250 25.6 10 37% 26 76.35 1017.7
24 16:51 SW 17 16.09 Mostly Cloudy SCT065 BKN250 25 10 39% 26 76.38 1018.0
24 15:51 S 15 16.09 Mostly Cloudy BKN065 BKN250 25.6 9.4 36% 26 76.43 1018.4
24 14:51 SW 9 16.09 Mostly Cloudy BKN060 BKN250 25 9.4 37% 26 76.43 1018.6
24 13:51 S 9 16.09 Mostly Cloudy SCT060 BKN250 24.4 10.6 42% 25 76.48 1019.2
24 12:51 SW 17 16.09 Mostly Cloudy SCT060 SCT200 BKN250 25.6 9.4 25.6 19.4 36% 26 76.53 1019.9
24 11:51 S 13 16.09 Mostly Cloudy SCT055 SCT090 BKN200 BKN250 23.9 9.4 40% 25 76.58 1020.5
24 10:51 S 7 16.09 Mostly Cloudy FEW039 FEW070 SCT200 BKN250 23.9 10 42% 25 76.61 1020.8
24 09:51 S 9 16.09 Mostly Cloudy FEW070 SCT200 BKN250 22.8 11.7 50% 76.61 1021.1
24 08:51 S 6 16.09 Overcast SCT065 BKN200 OVC250 21.1 11.1 53% 76.63 1021.3
24 07:51 W 6 16.09 Overcast SCT065 BKN210 OVC250 20 11.7 59% 76.63 1021.2
24 06:51 Calm 16.09 Overcast BKN065 OVC250 19.4 11.7 19.4 17.2 61% 76.61 1021.1
24 05:51 Calm 16.09 Mostly Cloudy SCT070 BKN250 17.8 11.1 65% 76.58 1020.7
24 04:51 SW 6 16.09 Overcast SCT070 OVC250 18.9 10.6 59% 76.61 1020.9
24 03:51 SW 7 16.09 Overcast OVC070 18.9 10.6 59% 76.61 1021.1
24 02:51 SW 6 16.09 Mostly Cloudy SCT070 BKN250 18.9 10.6 59% 76.58 1020.8
24 01:51 Calm 16.09 Mostly Cloudy BKN070 BKN250 18.9 10.6 59% 76.58 1020.7
24 00:51 SW 7 16.09 Mostly Cloudy SCT060 BKN250 19.4 10.6 22.8 19.4 57% 76.63 1021.2
23 23:51 S 9 16.09 Mostly Cloudy SCT060 BKN250 20 10 53% 76.63 1021.3
23 22:51 SE 9 16.09 Mostly Cloudy SCT060 BKN250 20 10 53% 76.63 1021.3
23 21:51 SE 9 16.09 Mostly Cloudy SCT065 BKN250 21.1 9.4 47% 76.63 1021.3
23 20:51 SE 13 16.09 Mostly Cloudy SCT065 BKN250 21.1 8.9 46% 76.61 1020.9
23 18:51 E 17 16.09 Mostly Cloudy FEW070 BKN250 22.8 8.9 25.6 22.8 41% 76.58 1020.7
23 17:51 SE 15 16.09 Mostly Cloudy SCT070 BKN250 24.4 8.9 37% 25 76.58 1020.7
23 16:51 E 9 16.09 Mostly Cloudy BKN070 BKN250 24.4 7.8 35% 25 76.61 1020.9
23 15:51 E 7 16.09 Mostly Cloudy BKN070 25 8.3 35% 26 76.63 1021.4
23 14:51 Vrbl 6 16.09 Mostly Cloudy BKN070 24.4 7.8 35% 25 76.66 1021.8
23 13:51 NW 6 16.09 Mostly Cloudy BKN070 24.4 7.2 33% 25 76.71 1022.4
23 12:51 S 9 16.09 Mostly Cloudy BKN070 BKN100 23.9 7.8 24.4 16.1 36% 25 76.73 1022.5
23 11:51 Vrbl 6 16.09 Mostly Cloudy BKN070 BKN100 24.4 7.8 35% 25 76.76 1023.0
23 10:51 S 9 16.09 Mostly Cloudy BKN065 22.8 7.8 38% 76.76 1023.1
23 09:51 Calm 16.09 A Few Clouds FEW065 22.2 8.3 41% 76.76 1023.0
23 08:51 Vrbl 6 16.09 A Few Clouds FEW065 21.1 7.8 42% 76.78 1023.3
23 07:51 NW 7 16.09 A Few Clouds FEW065 19.4 6.7 44% 76.76 1023.2
23 06:51 NW 6 16.09 A Few Clouds FEW070 16.1 8.3 16.7 14.4 60% 76.73 1022.6
23 05:51 W 6 16.09 A Few Clouds FEW070 15 7.8 62% 76.68 1022.1
23 04:51 W 6 16.09 A Few Clouds FEW070 15 8.3 64% 76.66 1021.7
23 03:51 W 6 16.09 Fair CLR 15 8.3 64% 76.63 1021.5
23 02:51 Calm 16.09 Fair CLR 15.6 7.8 60% 76.61 1021.2
23 01:51 Calm 16.09 Fair CLR 16.1 8.3 60% 76.58 1020.9
23 00:51 W 6 16.09 A Few Clouds FEW070 16.7 7.8 21.7 16.7 56% 76.56 1020.4
22 23:51 Calm 16.09 A Few Clouds FEW070 17.2 8.3 56% 76.56 1020.3
22 22:51 Calm 16.09 A Few Clouds FEW070 18.3 7.2 49% 76.56 1020.3
22 21:51 SE 6 16.09 A Few Clouds FEW070 18.9 6.7 45% 76.53 1020.1
22 20:51 E 9 16.09 A Few Clouds FEW070 FEW300 19.4 6.1 42% 76.5 1019.5
22 19:51 NE 13 16.09 A Few Clouds FEW070 FEW300 20.6 4.4 35% 76.45 1019.1
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)