Weather observations for the past three days for
Chicago, Chicago-O'Hare International Airport
Metric (Imperial)
Date Time (cst) 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 03:51 SW 20 G 33 16.09 Light Snow SCT016 OVC100 -12.2 -16.1 73% -20 76.3 1018.5
18 02:51 W 19 16.09 Light Snow SCT011 OVC100 -11.7 -15.6 73% -19 76.3 1018.7
18 01:51 W 22 16.09 Light Snow FEW010 BKN022 BKN110 -11.7 -15 77% -20 76.33 1018.9
18 00:51 SW 17 G 35 14.48 Light Snow SCT017 SCT065 BKN110 -10.6 -14.4 74% -17 76.3 1018.7
17 23:51 SW 19 G 31 11.27 Light Snow SCT028 BKN048 OVC065 -10 -13.9 -9.4 -10 73% -17 76.33 1019.0
17 22:51 W 22 G 39 9.66 Light Snow FEW017 BKN024 OVC050 -9.4 -13.3 74% -17 76.38 1019.4
17 21:51 SW 19 11.27 Light Snow FEW019 BKN049 OVC095 -9.4 -13.3 74% -16 76.35 1019.2
17 20:51 SW 22 8.05 Light Snow FEW023 BKN031 OVC090 -10 -13.3 77% -18 76.33 1019.1
17 19:51 SW 20 G 37 8.05 Light Snow SCT019 OVC038 -10 -13.9 73% -17 76.38 1019.5
17 18:51 W 20 G 33 8.05 Light Snow BKN044 OVC065 -9.4 -13.3 74% -17 76.38 1019.5
17 17:51 W 26 G 41 6.44 Light Snow SCT020 BKN036 OVC060 -9.4 -13.9 -8.3 -9.4 70% -18 76.35 1019.4
17 16:51 W 17 G 37 12.87 Light Snow SCT030 BKN038 OVC055 -8.9 -14.4 65% -15 76.3 1018.5
17 15:51 W 24 G 41 16.09 Mostly Cloudy BKN039 -8.9 -16.7 54% -17 76.25 1017.9
17 14:51 W 22 G 46 16.09 Mostly Cloudy BKN039 -8.9 -17.2 51% -16 76.2 1017.2
17 13:51 SW 30 G 54 16.09 Mostly Cloudy BKN038 -8.9 -17.2 51% -17 76.15 1016.4
17 12:51 SW 30 G 52 16.09 Mostly Cloudy BKN036 -8.9 -17.8 49% -17 76.12 1016.2
17 11:51 SW 24 G 44 16.09 Light Snow FEW026 BKN035 -9.4 -17.2 -9.4 -11.1 53% -17 76.15 1016.3
17 10:51 W 26 G 39 16.09 Light Snow SCT022 BKN031 -10 -17.2 56% -18 76.17 1016.5
17 09:51 SW 30 G 50 16.09 Mostly Cloudy BKN028 -10 -17.2 56% -19 76.12 1015.9
17 08:51 W 19 G 41 16.09 Partly Cloudy SCT023 -11.1 -16.7 64% -18 76.02 1014.4
17 07:51 W 19 G 39 16.09 A Few Clouds FEW025 FEW055 FEW200 -11.1 -17.2 61% -18 75.95 1013.5
17 06:51 W 22 G 35 16.09 A Few Clouds FEW025 FEW200 -11.1 -16.7 64% -19 75.87 1012.4
17 05:51 W 22 G 35 16.09 A Few Clouds FEW150 -11.1 -17.2 -3.9 -11.1 61% -19 75.79 1011.4
17 04:51 W 30 G 46 16.09 A Few Clouds FEW050 FEW110 -10.6 -16.1 64% -20 75.72 1010.5
17 03:51 W 28 G 44 16.09 Partly Cloudy FEW050 SCT110 -9.4 -16.7 56% -18 75.64 1009.5
17 02:51 W 28 G 43 16.09 Partly Cloudy FEW050 SCT110 -7.8 -15 57% -16 75.62 1008.8
17 01:51 W 24 G 46 16.09 Mostly Cloudy SCT050 BKN110 -6.7 -15 52% -14 75.54 1008.0
17 00:51 W 33 G 54 16.09 Overcast and Breezy OVC050 -6.1 -13.3 57% -14 75.49 1007.3
16 23:51 W 31 G 50 16.09 Overcast OVC050 -3.9 -11.7 2.2 -3.9 55% -11 75.46 1006.7 0.05
16 22:51 W 31 G 46 16.09 Overcast OVC050 -3.3 -10.6 57% -10 75.44 1006.4
16 21:51 W 22 G 35 16.09 Overcast FEW055 BKN095 OVC140 -2.2 -8.3 63% -8 75.39 1005.7
16 20:51 W 30 G 46 16.09 Overcast FEW050 BKN090 OVC120 -1.1 -8.3 58% -7 75.34 1005.2 0.05
16 19:51 W 30 G 43 16.09 Overcast FEW035 FEW095 BKN120 OVC250 0 -7.2 59% -6 75.29 1004.5
16 18:51 W 26 G 67 16.09 Overcast SCT038 BKN085 BKN120 OVC250 1.1 -6.1 59% -4 75.26 1004.0 0.05
16 17:51 SW 17 16.09 Light Snow SCT033 BKN045 OVC055 2.2 -2.2 2.8 0 73% -2 75.16 1002.5
16 16:51 SW 19 G 30 14.48 Light Snow SCT016 BKN032 OVC055 2.2 -2.2 73% -2 75.11 1002.0
16 15:51 SW 17 G 33 16.09 Overcast SCT027 OVC038 2.2 -2.8 70% -2 75.06 1001.3
16 14:51 W 17 G 33 16.09 Overcast FEW023 OVC029 2.8 -2.8 67% -1 75.01 1000.8
16 13:51 W 22 G 33 16.09 Overcast BKN020 OVC037 2.2 -1.7 76% -2 74.93 999.6
16 12:51 W 22 G 35 16.09 Overcast OVC014 1.7 -1.1 82% -3 74.93 999.7
16 11:51 SW 19 11.27 Light Snow OVC010 0 -2.2 0 -3.3 85% -5 74.96 1000.1 0.13
16 10:51 SW 24 G 33 12.87 Light Snow OVC012 -0.6 -3.3 82% -6 74.98 1000.2
16 09:51 SW 22 11.27 Light Snow OVC014 -1.1 -3.9 82% -7 74.96 1000.0
16 08:51 SW 26 G 37 6.44 Light Snow Fog/Mist BKN012 BKN018 OVC043 -2.8 -4.4 89% -9 74.93 999.9 0.03 0.13
16 07:51 SW 20 1.61 Light Snow Fog/Mist BKN013 BKN018 OVC029 -3.3 -4.4 92% -9 74.96 1000.0 0.05
16 06:51 S 17 G 31 1.61 Light Snow Fog/Mist VV012 -3.3 -5 88% -8 74.96 1000.1 0.05
16 05:51 S 19 G 33 16.09 Overcast FEW015 OVC039 -3.3 -6.7 -3.3 -5.6 78% -9 75.01 1000.7
16 04:51 S 20 16.09 Overcast SCT015 OVC037 -3.9 -6.7 81% -10 75.03 1001.1
16 03:51 S 24 G 41 16.09 Overcast OVC013 -4.4 -7.2 81% -11 75.06 1001.6
16 02:51 S 17 16.09 Overcast OVC013 -4.4 -7.2 81% -10 75.18 1003.3
16 01:51 S 20 16.09 Overcast OVC015 -5 -7.8 81% -11 75.21 1003.7
16 00:51 S 22 G 30 8.05 Light Snow FEW020 BKN030 OVC041 -5 -9.4 72% -11 75.29 1004.7
15 23:51 S 24 G 44 8.05 Light Snow BKN048 OVC075 -5 -10.6 -4.4 -5.6 65% -12 75.39 1006.0
15 22:51 SW 20 16.09 Overcast BKN060 BKN075 OVC100 -4.4 -12.8 52% -10 75.46 1007.2
15 21:51 SW 17 G 35 16.09 Overcast SCT050 BKN065 OVC085 -4.4 -12.8 52% -10 75.54 1008.0
15 20:51 SW 17 16.09 Overcast BKN090 OVC130 -5 -12.2 57% -10 75.59 1008.9
15 19:51 S 15 16.09 Overcast BKN110 BKN140 BKN170 OVC250 -5 -12.2 57% -10 75.59 1008.9
15 18:51 S 17 16.09 Mostly Cloudy FEW110 SCT140 BKN170 BKN250 -5.6 -12.8 57% -11 75.62 1009.4
15 17:51 SW 17 16.09 Mostly Cloudy SCT130 BKN180 BKN250 -5.6 -13.3 -4.4 -7.2 55% -11 75.69 1010.3
15 16:51 SW 19 16.09 Mostly Cloudy BKN120 BKN250 -5 -13.9 50% -11 75.74 1010.9
15 15:51 SW 19 16.09 Mostly Cloudy BKN150 BKN250 -4.4 -13.3 50% -10 75.79 1011.6
15 14:51 W 19 16.09 Partly Cloudy FEW150 SCT250 -5 -13.9 50% -11 75.84 1012.3
15 13:51 W 20 16.09 A Few Clouds FEW180 FEW250 -5.6 -14.4 50% -12 75.87 1012.7
15 12:51 SW 13 16.09 A Few Clouds FEW027 FEW250 -6.1 -13.9 54% -11 75.92 1013.4
15 11:51 W 15 16.09 A Few Clouds FEW027 FEW250 -7.2 -14.4 -7.2 -10.6 57% -13 76.05 1014.9
15 10:51 W 11 16.09 A Few Clouds FEW026 FEW250 -7.8 -14.4 59% -12 76.15 1016.5
15 09:51 NW 17 16.09 A Few Clouds FEW024 FEW250 -8.9 -15 62% -15 76.2 1017.2
15 08:51 W 13 16.09 A Few Clouds FEW024 FEW250 -9.4 -15 64% -15 76.17 1016.8
15 07:51 NW 15 16.09 A Few Clouds FEW024 -10.6 -15 70% -17 76.17 1016.7
15 06:51 NW 19 16.09 Mostly Cloudy BKN025 -10 -15.6 64% -17 76.2 1017.2
15 05:51 NW 22 G 37 16.09 Mostly Cloudy BKN027 -9.4 -15.6 -8.3 -9.4 61% -17 76.2 1017.0
15 04:51 N 19 16.09 Mostly Cloudy BKN029 -9.4 -15.6 61% -16 76.2 1017.1
Date Time (cst) 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)