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.
18 02:51 SW 11 16.09 Partly Cloudy SCT300 20 16.7 81% 76.2 1015.5
18 01:51 SW 11 16.09 Partly Cloudy SCT300 20.6 16.1 76% 76.23 1015.8
18 00:51 SW 11 16.09 A Few Clouds FEW250 20 15 25 20 73% 76.25 1016.3
17 23:51 SW 9 16.09 Fair CLR 21.1 14.4 66% 76.23 1015.8
17 22:51 S 9 16.09 Fair CLR 21.1 14.4 66% 76.23 1015.9
17 21:51 S 11 16.09 Fair CLR 21.7 13.9 61% 76.2 1015.5
17 20:51 S 11 16.09 Partly Cloudy SCT250 22.2 13.3 57% 76.2 1015.4
17 19:51 SE 6 16.09 Mostly Cloudy FEW045 BKN250 23.9 15 58% 25 76.17 1015.0
17 18:51 E 6 16.09 Partly Cloudy FEW045 FEW065 SCT250 25 15.6 26.7 23.3 56% 26 76.17 1014.9
17 17:51 NW 11 16.09 Partly Cloudy SCT045 SCT065 26.1 14.4 49% 27 76.2 1015.4
17 16:51 N 9 16.09 Mostly Cloudy SCT045 BKN065 25.6 16.1 56% 26 76.2 1015.5
17 15:51 NE 13 16.09 Mostly Cloudy SCT042 BKN065 25.6 16.7 58% 26 76.23 1015.8
17 14:51 N 17 16.09 Mostly Cloudy SCT035 BKN065 BKN250 25 16.7 60% 26 76.25 1016.2
17 13:51 NE 11 16.09 Mostly Cloudy SCT038 BKN065 25 17.2 62% 26 76.25 1016.3
17 12:51 NE 11 16.09 Mostly Cloudy FEW034 BKN042 BKN055 23.3 17.2 24.4 20.6 69% 76.28 1016.5
17 11:51 N 9 16.09 Mostly Cloudy FEW031 SCT045 BKN070 23.9 17.2 66% 25 76.3 1016.9
17 10:51 NE 20 16.09 Overcast SCT030 BKN042 OVC065 23.3 16.7 67% 76.33 1017.0
17 09:51 NE 20 16.09 Overcast SCT031 BKN038 OVC065 23.3 16.1 64% 76.28 1016.4
17 08:51 NE 20 16.09 Mostly Cloudy SCT020 BKN028 BKN230 22.8 17.8 74% 76.23 1015.6
17 07:51 NW 9 16.09 Partly Cloudy FEW020 FEW031 SCT049 SCT250 21.1 18.3 84% 76.23 1015.8
17 06:51 N 15 16.09 Mostly Cloudy FEW014 BKN021 BKN034 BKN250 20.6 18.3 21.1 19.4 87% 76.2 1015.5
17 05:51 NW 9 16.09 Mostly Cloudy FEW015 BKN042 BKN250 19.4 17.2 87% 76.17 1015.0
17 04:51 W 7 16.09 Partly Cloudy SCT038 19.4 16.7 84% 76.12 1014.6
17 03:51 NW 7 16.09 A Few Clouds FEW038 19.4 16.7 84% 76.1 1014.2
17 02:51 NW 9 16.09 A Few Clouds FEW038 20 16.1 78% 76.1 1013.9
17 01:51 NW 9 16.09 A Few Clouds FEW045 FEW250 20.6 16.1 76% 76.12 1014.2
17 00:51 N 11 16.09 Mostly Cloudy BKN042 BKN250 21.1 16.7 28.3 21.1 76% 76.15 1014.5
16 23:51 N 15 16.09 Mostly Cloudy BKN038 BKN250 22.2 16.7 71% 76.12 1014.1
16 22:51 N 22 16.09 Mostly Cloudy BKN045 BKN250 23.3 17.8 71% 76.07 1013.6
16 21:51 NW 19 16.09 Mostly Cloudy SCT030 BKN036 BKN180 BKN250 25 18.9 69% 26 76.07 1013.6
16 20:51 NW 15 16.09 Mostly Cloudy SCT038 SCT050 BKN200 BKN250 27.2 21.7 72% 29 76.02 1013.1
16 19:51 NW 13 16.09 Mostly Cloudy FEW034 SCT055 SCT100 BKN220 BKN250 27.2 21.7 72% 29 75.97 1012.4
16 18:51 NW 15 16.09 Mostly Cloudy FEW034 SCT220 BKN250 28.3 21.7 30 26.1 67% 31 75.95 1011.9 0.08
16 17:51 W 15 16.09 Mostly Cloudy FEW032 FEW044 SCT220 BKN250 29.4 22.2 65% 33 75.92 1011.5
16 16:51 W 9 16.09 Mostly Cloudy FEW033 FEW050 SCT080 SCT200 BKN250 28.3 23.3 74% 32 75.95 1011.9
16 15:51 W 11 16.09 Mostly Cloudy SCT033TCU SCT050 BKN080 BKN250 27.2 23.9 82% 30 76 1012.8 0.08 0.08
16 14:51 W 17 16.09 Mostly Cloudy SCT037 SCT070 BKN250 29.4 22.2 65% 33 76.05 1013.3
16 13:51 W 20 16.09 Mostly Cloudy SCT031 BKN049 BKN250 29.4 22.2 65% 33 76.07 1013.7
16 12:51 NW 17 16.09 Mostly Cloudy BKN027 BKN032 BKN250 28.3 22.2 28.3 22.8 70% 31 76.1 1013.9
16 11:51 NW 13 16.09 Mostly Cloudy SCT021 BKN028 BKN250 27.8 22.8 74% 31 76.1 1014.0
16 10:51 W 17 16.09 Mostly Cloudy BKN019 BKN026 BKN150 26.7 22.8 79% 29 76.1 1014.0
16 09:51 W 17 16.09 Mostly Cloudy BKN013 BKN029 BKN150 25.6 23.3 87% 27 76.1 1013.9
16 08:51 W 11 9.66 Fog/Mist FEW002 BKN008 OVC025 23.9 23.3 96% 23 76.15 1014.5
16 07:51 W 11 2.82 Fog/Mist BKN002 OVC004 23.3 22.8 97% 76.12 1014.2
16 06:51 W 9 6.44 Fog/Mist OVC003 22.8 22.8 25 22.2 100% 76.07 1013.6 0.05
16 05:51 SW 13 16.09 Overcast OVC004 22.8 22.2 96% 76.05 1013.3
16 04:51 SW 11 16.09 Overcast OVC005 22.2 21.7 97% 76.02 1013.0 0.03
16 03:51 SW 9 12.87 Light Rain SCT008 BKN070 OVC120 22.8 21.7 94% 76 1012.7 0.03 0.03
16 02:51 SW 17 16.09 Overcast OVC009 22.8 21.1 90% 76.05 1013.3
16 01:51 S 26 G 44 16.09 Overcast BKN012 BKN030 OVC080 25 23.3 90% 26 76.1 1013.8
16 00:51 S 6 16.09 Overcast FEW008 FEW016 OVC070 25 23.9 26.1 25 94% 26 76.15 1014.9
15 23:51 S 9 16.09 Partly Cloudy FEW032 SCT070 25 23.3 90% 26 76.15 1014.7
15 22:51 S 9 16.09 Overcast FEW021 BKN028 OVC045 25.6 23.3 87% 27 76.17 1015.0
15 21:51 S 7 16.09 Overcast FEW016 OVC030 25.6 23.3 87% 27 76.2 1015.5
15 20:51 S 7 16.09 Overcast FEW016 BKN036 OVC044 25.6 23.9 90% 27 76.23 1015.6
15 19:51 Calm 16.09 Overcast BKN016 BKN024 OVC033 26.1 23.9 88% 28 76.23 1015.6
15 18:51 Calm 16.09 Mostly Cloudy SCT018 BKN036 BKN048 26.1 23.3 26.1 23.9 85% 28 76.23 1015.7 0.05
15 17:51 SW 6 16.09 Mostly Cloudy SCT011 BKN016 BKN070 25.6 23.3 87% 27 76.25 1016.2
15 16:51 Calm 12.87 Overcast FEW020 BKN027 OVC036 25 23.3 90% 26 76.25 1016.2 0.05
15 15:51 SW 6 8.05 Light Rain Fog/Mist BKN018 OVC027 25 23.3 90% 26 76.25 1016.2
15 14:51 SW 11 16.09 Overcast BKN014 BKN022 OVC036 26.1 22.8 82% 28 76.28 1016.4
15 13:51 Calm 16.09 Overcast BKN011 BKN019 OVC038 25 22.8 88% 26 76.3 1016.6
15 12:51 SW 9 16.09 Overcast BKN008 OVC015 23.9 22.2 23.9 22.8 90% 23 76.33 1017.1 0.08
15 11:51 S 9 16.09 Overcast BKN010 OVC017 23.9 21.7 88% 24 76.38 1017.7
15 10:51 SE 13 16.09 Overcast BKN007 BKN019 OVC070 23.9 22.2 90% 23 76.33 1017.1 0.08
15 09:51 SE 13 8.05 Light Rain Fog/Mist OVC010 22.8 22.2 96% 76.35 1017.6
15 08:51 S 7 16.09 Overcast OVC010 23.9 21.7 88% 24 76.38 1018.0
15 07:51 S 7 16.09 Overcast BKN011 BKN016 OVC024 23.3 21.7 91% 76.43 1018.4
15 06:51 SE 9 16.09 Overcast BKN018 OVC025 23.3 21.1 23.3 22.8 88% 76.43 1018.4
15 05:51 Calm 16.09 Overcast BKN023 BKN100 OVC250 23.3 20.6 85% 76.43 1018.4
15 04:51 Calm 16.09 Overcast FEW025 OVC100 22.8 20.6 87% 76.4 1018.0
15 03:51 Calm 16.09 Overcast BKN027 OVC095 22.8 20.6 87% 76.43 1018.3
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)