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.
06 20:51 S 9 16.09 Partly Cloudy FEW025 SCT060 24.4 20.6 79% 25 76.35 1017.6
06 19:51 Vrbl 6 16.09 Mostly Cloudy SCT025 BKN045 BKN250 25.6 20.6 74% 27 76.33 1017.1
06 18:51 NE 11 16.09 Mostly Cloudy BKN026 BKN075 25.6 20.6 27.8 25 74% 27 76.3 1016.8
06 17:51 E 13 16.09 Mostly Cloudy FEW025 BKN030 BKN047 25.6 20.6 74% 27 76.33 1017.2
06 16:51 E 17 16.09 Mostly Cloudy SCT022 BKN031 25 20.6 77% 26 76.35 1017.6
06 15:51 Vrbl 6 16.09 Mostly Cloudy SCT028 BKN045 27.2 20 65% 29 76.38 1017.7
06 14:51 SE 9 16.09 Mostly Cloudy SCT028 BKN034 25.6 19.4 69% 27 76.4 1018.1
06 13:51 SE 6 14.48 Overcast SCT026 BKN036 BKN060 OVC250 26.1 19.4 67% 27 76.43 1018.5
06 12:51 Vrbl 11 14.48 Overcast BKN025 BKN038 OVC100 25.6 20 25.6 21.7 71% 27 76.45 1018.8
06 11:51 SE 11 14.48 Overcast SCT021 BKN050 BKN065 OVC250 25 19.4 71% 26 76.48 1019.0
06 10:51 E 9 14.48 Overcast FEW018 BKN045 OVC065 23.3 19.4 79% 76.48 1019.1
06 09:51 E 11 14.48 Overcast SCT015 BKN025 OVC035 22.8 19.4 81% 76.45 1019.0
06 08:51 E 7 16.09 Overcast FEW028 BKN038 BKN050 OVC250 22.8 19.4 81% 76.45 1018.8
06 07:51 E 9 16.09 Overcast BKN050 BKN075 OVC250 22.2 18.9 82% 76.4 1018.1
06 06:51 Calm 16.09 Overcast BKN060 BKN075 OVC250 21.7 18.9 21.7 20.6 84% 76.4 1018.3
06 05:51 SE 7 16.09 Overcast SCT060 BKN090 OVC250 21.1 18.9 87% 76.38 1017.8
06 04:51 Calm 16.09 Overcast BKN060 OVC110 21.1 18.9 87% 76.35 1017.5
06 03:51 Calm 16.09 Mostly Cloudy BKN070 21.1 18.3 84% 76.35 1017.4
06 02:51 Calm 16.09 Mostly Cloudy BKN070 21.1 18.9 87% 76.3 1016.9
06 01:51 Calm 16.09 Mostly Cloudy BKN075 20.6 18.3 87% 76.35 1017.3
06 00:51 Calm 16.09 Mostly Cloudy FEW050 BKN090 21.1 18.3 25 21.1 84% 76.38 1017.8
05 23:51 S 6 16.09 Mostly Cloudy FEW045 BKN080 21.1 18.3 84% 76.38 1017.9
05 22:51 W 7 16.09 Partly Cloudy FEW034 SCT060 21.7 18.3 81% 76.38 1017.7
05 21:51 W 9 16.09 A Few Clouds FEW045 22.2 18.3 79% 76.35 1017.4
05 20:51 W 9 16.09 Mostly Cloudy FEW150 SCT200 BKN250 23.3 17.8 71% 76.3 1016.8
05 19:51 W 13 16.09 Mostly Cloudy FEW040 SCT150 BKN200 BKN250 24.4 17.2 64% 25 76.23 1015.7
05 18:51 W 7 16.09 Overcast FEW032 SCT047 BKN150 OVC250 25 17.8 27.8 25 64% 26 76.2 1015.6 0.03
05 17:51 W 19 G 30 16.09 Overcast FEW035 SCT075 BKN180 BKN220 OVC250 26.1 20 69% 27 76.23 1015.5
05 16:51 W 19 G 33 16.09 Overcast FEW033 SCT080 BKN220 OVC250 26.7 20 67% 28 76.2 1015.4
05 15:51 SW 13 16.09 Overcast FEW030 SCT045 BKN075 BKN130 OVC250 26.7 20 67% 28 76.2 1015.5 0.03 0.03
05 14:51 W 15 16.09 Light Rain FEW032 BKN043 BKN060 BKN130 OVC250 26.1 20 69% 27 76.23 1015.8
05 13:51 SW 15 16.09 Overcast FEW028 FEW075 BKN140 OVC250 27.2 19.4 62% 29 76.23 1015.5
05 12:51 SW 11 16.09 Overcast FEW026 SCT110 BKN160 OVC250 26.7 20.6 26.7 23.3 69% 28 76.2 1015.4
05 09:51 SW 13 16.09 Overcast FEW075 FEW110 BKN200 OVC250 25 20.6 77% 26 76.25 1016.1
05 08:51 SW 13 16.09 Overcast FEW060 BKN190 OVC250 23.9 20 79% 24 76.25 1016.1
05 07:51 SW 17 16.09 Overcast FEW043 SCT120 BKN150 OVC250 23.3 20 82% 76.25 1016.1
05 06:51 SW 7 16.09 Overcast SCT043 SCT055 BKN150 OVC250 23.9 20 25 22.8 79% 24 76.25 1015.9 0.08
05 05:51 S 6 16.09 Overcast FEW050 BKN180 OVC250 23.3 20 82% 76.2 1015.4
05 04:51 Calm 16.09 Overcast BKN080 OVC250 23.3 21.1 88% 76.17 1015.0
05 03:51 Calm 16.09 Overcast FEW039 BKN050 OVC080 23.3 21.1 88% 76.2 1015.3 0.05 0.08
05 02:51 W 6 16.09 Rain SCT046 BKN060 OVC080 23.9 20.6 82% 24 76.23 1015.6 0.03
05 01:51 S 9 16.09 Overcast BKN042 OVC070 25 19.4 71% 26 76.23 1015.6
05 00:51 S 9 16.09 Mostly Cloudy FEW050 SCT110 BKN220 24.4 19.4 28.9 24.4 74% 25 76.23 1015.7
04 23:51 S 11 16.09 Partly Cloudy SCT050 SCT110 25 18.9 69% 26 76.25 1015.9
04 22:51 S 7 16.09 A Few Clouds FEW110 FEW250 25 18.9 69% 26 76.23 1015.7
04 21:51 S 9 16.09 A Few Clouds FEW110 FEW250 26.1 18.9 65% 27 76.2 1015.5
04 20:51 SW 6 16.09 A Few Clouds FEW110 FEW250 26.7 18.9 62% 28 76.2 1015.2
04 19:51 SW 9 16.09 A Few Clouds FEW110 FEW250 27.8 18.3 56% 29 76.17 1014.9
04 18:51 SW 11 16.09 A Few Clouds FEW050 FEW070 FEW250 28.9 18.3 30 27.2 53% 30 76.15 1014.6
04 17:51 SW 13 16.09 A Few Clouds FEW050 FEW250 28.9 17.8 51% 30 76.17 1014.9
04 16:51 W 13 16.09 Partly Cloudy SCT050 29.4 17.2 48% 30 76.17 1015.0
04 15:51 SW 17 16.09 Mostly Cloudy BKN055 29.4 16.7 46% 30 76.17 1015.0
04 14:51 SW 13 16.09 Mostly Cloudy BKN050 28.9 16.7 48% 29 76.17 1014.9
04 13:51 SW 17 16.09 Partly Cloudy SCT048 SCT250 28.9 17.8 51% 30 76.2 1015.2
04 12:51 SW 15 16.09 Partly Cloudy SCT044 SCT250 27.8 17.2 28.3 21.1 53% 28 76.2 1015.4
04 11:51 S 17 16.09 Partly Cloudy FEW036 SCT055 SCT250 27.8 17.8 55% 29 76.28 1016.4
04 10:51 SW 13 16.09 Partly Cloudy FEW032 SCT055 SCT250 26.1 18.3 62% 27 76.3 1016.9
04 09:51 SW 13 G 28 16.09 Partly Cloudy FEW030 FEW055 SCT250 25.6 18.3 64% 27 76.3 1016.9
04 08:51 SW 15 16.09 A Few Clouds FEW055 FEW250 24.4 18.3 69% 25 76.35 1017.4
04 07:51 SW 11 16.09 Partly Cloudy FEW042 SCT055 22.8 18.3 76% 76.35 1017.4
04 06:51 SW 9 16.09 A Few Clouds FEW045 FEW250 21.1 18.3 22.2 20.6 84% 76.3 1016.9
04 05:51 SW 9 16.09 A Few Clouds FEW045 20.6 17.8 84% 76.25 1016.0
04 04:51 SW 9 16.09 A Few Clouds FEW045 20.6 17.8 84% 76.23 1015.8
04 03:51 S 7 16.09 A Few Clouds FEW045 21.1 17.8 82% 76.2 1015.6
04 02:51 S 9 16.09 A Few Clouds FEW045 21.1 17.8 82% 76.2 1015.4
04 01:51 S 11 16.09 A Few Clouds FEW047 21.7 17.8 79% 76.23 1015.5
04 00:51 S 6 16.09 Partly Cloudy SCT045 21.7 17.8 25.6 21.7 79% 76.23 1015.8
03 23:51 SE 7 16.09 A Few Clouds FEW043 21.7 17.2 76% 76.2 1015.5
03 22:51 Vrbl 9 16.09 A Few Clouds FEW050 22.2 17.2 73% 76.17 1015.2
03 21:51 SE 6 16.09 A Few Clouds FEW050 22.2 16.7 71% 76.2 1015.4
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)