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.
19 06:51 SW 11 16.09 A Few Clouds FEW100 2.8 -2.8 4.4 2.2 67% 0 76.43 1019.3
19 05:51 SW 9 16.09 Fair CLR 2.2 -2.8 70% -0 76.4 1019.0
19 04:51 SW 11 16.09 Fair CLR 2.8 -3.3 65% 0 76.4 1019.1
19 03:51 SW 9 16.09 Fair CLR 2.8 -2.8 67% 1 76.4 1019.0
19 02:51 SW 11 16.09 Fair CLR 3.3 -3.3 62% 1 76.38 1018.6
19 01:51 SW 9 16.09 Fair CLR 3.9 -3.3 60% 2 76.38 1018.5
19 00:51 W 9 16.09 Fair CLR 4.4 -3.3 7.8 4.4 58% 2 76.38 1018.5
18 23:51 W 9 16.09 Fair CLR 5.6 -4.4 49% 4 76.35 1018.3
18 22:51 W 11 16.09 Fair CLR 5.6 -3.9 51% 3 76.35 1018.3
18 21:51 W 17 16.09 Fair CLR 6.1 -3.9 49% 3 76.33 1018.0
18 20:51 W 22 G 37 16.09 A Few Clouds FEW050 6.7 -4.4 45% 3 76.28 1017.2
18 19:51 W 22 G 48 16.09 A Few Clouds FEW050 FEW250 7.2 -3.9 46% 4 76.2 1016.3
18 18:51 W 39 G 59 16.09 Partly Cloudy and Breezy SCT050 SCT250 7.8 -5 10.6 7.8 40% 3 76.15 1015.5
18 17:51 W 31 G 52 16.09 A Few Clouds FEW050 FEW250 8.9 -3.3 42% 5 76.1 1014.7
18 16:51 W 35 G 59 16.09 Partly Cloudy and Breezy SCT047 SCT250 9.4 -2.2 44% 6 76.02 1013.6
18 15:51 W 35 G 50 16.09 Mostly Cloudy and Breezy BKN048 BKN250 9.4 -1.7 46% 6 75.97 1013.0
18 14:51 W 35 G 52 16.09 Mostly Cloudy and Breezy BKN046 BKN250 9.4 -1.7 46% 6 75.97 1012.8
18 13:51 W 24 G 50 16.09 A Few Clouds FEW039 FEW250 9.4 -1.1 48% 7 75.97 1012.7
18 12:51 W 26 G 48 16.09 Partly Cloudy SCT034 SCT250 8.9 -1.1 8.9 6.7 50% 6 75.92 1012.1
18 11:51 W 28 G 41 16.09 Partly Cloudy SCT029 SCT250 7.8 -0.6 56% 4 75.87 1011.6
18 10:51 W 24 G 44 16.09 Mostly Cloudy SCT026 BKN250 7.2 0 61% 4 75.84 1011.1
18 09:51 W 24 G 35 16.09 Mostly Cloudy FEW024 SCT120 SCT220 BKN250 6.7 0.6 65% 3 75.74 1009.7
18 08:51 W 26 G 46 16.09 Overcast SCT024 SCT100 BKN210 OVC250 7.2 1.7 68% 4 75.69 1009.0
18 07:51 W 26 G 41 16.09 Overcast SCT024 SCT070 SCT130 OVC220 7.8 2.2 68% 4 75.59 1007.7
18 06:51 W 26 G 41 16.09 Overcast BKN017 OVC050 8.3 4.4 17.2 8.3 77% 5 75.51 1006.6 0.28
18 05:51 W 26 G 41 16.09 Overcast OVC011 9.4 6.7 83% 6 75.39 1004.9
18 04:51 W 26 G 39 16.09 Overcast OVC009 10.6 8.3 86% 75.34 1003.9
18 03:51 W 24 G 39 16.09 Overcast BKN009 OVC036 13.3 11.7 90% 75.26 1003.0 0.28
18 02:51 SW 31 G 44 16.09 Overcast FEW008 BKN016 OVC120 16.1 14.4 90% 75.16 1001.7 0.08
18 01:51 SW 13 8.05 Rain Fog/Mist BKN075 OVC090 16.7 15 90% 75.13 1001.3 0.2
18 00:51 SW 30 G 46 16.09 Light Rain FEW070 OVC100 17.2 15 25.6 16.7 87% 75.26 1002.9 1.27
17 23:51 SW 22 G 39 16.09 Light Rain SCT070 OVC130 16.7 15 90% 75.16 1001.7 0.3
17 22:51 SW 24 G 43 8.05 Thunderstorm Rain Fog/Mist FEW040CB BKN080 OVC150 17.2 15.6 90% 75.36 1004.2 0.48
17 21:51 SW 24 G 76 4.83 Thunderstorm Heavy Rain Fog/Mist BKN043CB BKN060 OVC100 18.3 15.6 84% 75.34 1004.2 0.46 0.48
17 20:51 S 17 12.87 Thunderstorm Light Rain BKN049CB BKN070 BKN100 OVC130 23.3 18.3 74% 75.23 1002.7 0.03
17 19:51 S 31 G 52 16.09 Overcast SCT055 BKN150 OVC250 25 17.2 62% 26 75.18 1001.9
17 18:51 S 33 G 52 16.09 Overcast and Breezy FEW055 SCT150 OVC250 25.6 16.7 27.2 25 58% 26 75.21 1002.5
17 17:51 S 37 G 54 16.09 Overcast and Breezy SCT055 OVC250 26.1 16.1 54% 27 75.31 1003.6
17 16:51 S 37 G 63 16.09 Overcast and Breezy SCT055 OVC250 26.7 15.6 51% 27 75.31 1003.7
17 15:51 S 22 G 52 16.09 Overcast SCT047 OVC250 26.7 15.6 51% 27 75.46 1005.8
17 14:51 S 33 G 52 16.09 Mostly Cloudy and Breezy SCT047 BKN250 25.6 16.1 56% 26 75.51 1006.7
17 13:51 S 26 G 50 16.09 Mostly Cloudy FEW038 BKN055 BKN250 25 16.7 60% 26 75.72 1009.3
17 12:51 S 22 G 41 16.09 Mostly Cloudy FEW035 FEW060 BKN250 25 16.1 25 10 58% 26 75.79 1010.1
17 11:51 S 26 G 41 16.09 Mostly Cloudy BKN250 22.8 16.1 66% 75.84 1010.9
17 10:51 S 13 16.09 Mostly Cloudy BKN250 22.2 15 64% 75.92 1011.9
17 09:51 SE 17 16.09 Mostly Cloudy BKN250 20 13.3 65% 75.95 1012.3
17 08:51 SE 17 11.27 Mostly Cloudy BKN250 16.7 12.2 75% 75.97 1012.7
17 07:51 SE 7 6.44 Fog/Mist BKN250 13.3 11.1 87% 75.97 1012.9
17 06:51 SE 7 3.22 Fog/Mist FEW002 FEW250 10 10 10 9.4 100% 9 76 1013.1
17 05:51 SE 7 0.80 Fog BKN000 10 9.4 96% 9 75.97 1012.8
17 04:51 E 7 0.21 Fog VV002 10 9.4 96% 9 75.97 1012.8
17 03:51 SE 6 0.80 Fog BKN002 9.4 8.9 97% 75.97 1012.9
17 02:51 E 7 0.80 Fog BKN002 9.4 9.4 100% 9 76 1013.3
17 01:51 E 6 0.21 Fog VV001 9.4 9.4 100% 76.05 1013.7
17 00:51 E 7 0.40 Fog OVC002 9.4 8.9 15 9.4 97% 9 76.05 1013.8
16 23:51 E 9 1.61 Fog/Mist BKN005 10 9.4 96% 9 76.07 1014.0
16 22:51 E 7 14.48 Partly Cloudy SCT005 10.6 9.4 92% 76.05 1013.9
16 21:51 E 9 16.09 A Few Clouds FEW005 10.6 9.4 92% 76.02 1013.5
16 20:51 E 11 16.09 A Few Clouds FEW005 11.7 9.4 86% 75.97 1012.7
16 19:51 NE 11 16.09 A Few Clouds FEW005 FEW045 12.2 10.6 90% 75.92 1012.1
16 18:51 E 11 16.09 Partly Cloudy FEW005 SCT045 15 11.7 23.3 15 81% 75.87 1011.5
16 17:51 NE 20 16.09 Mostly Cloudy BKN047 17.8 12.8 73% 75.82 1010.7
16 16:51 NE 15 16.09 Mostly Cloudy BKN045 23.3 11.7 48% 75.77 1009.9
16 15:51 W 22 16.09 Mostly Cloudy BKN043TCU BKN070 21.7 12.2 55% 75.72 1009.3
16 14:51 W 19 G 30 16.09 Mostly Cloudy BKN045TCU BKN060 22.2 13.3 57% 75.69 1009.0
16 13:51 W 24 G 37 16.09 Mostly Cloudy SCT031 SCT050 BKN080 21.7 13.3 59% 75.67 1008.6
16 12:51 W 19 G 30 16.09 Mostly Cloudy FEW027 SCT042 BKN055 21.1 15.6 21.1 15.6 71% 75.64 1008.2 0.18
16 11:51 SW 20 G 37 16.09 Mostly Cloudy BKN017 BKN042TCU 19.4 15.6 79% 75.62 1008.0
16 10:51 SW 19 G 35 16.09 Mostly Cloudy FEW016 SCT024 BKN049 18.3 16.1 87% 75.59 1007.6 0.18
16 09:51 SW 17 G 35 16.09 Mostly Cloudy SCT016 BKN043 18.9 15.6 81% 75.54 1006.8
16 08:51 SW 15 16.09 Overcast OVC013 17.2 15 87% 75.51 1006.5
16 07:51 SW 17 16.09 Overcast OVC011 16.1 14.4 90% 75.54 1006.6
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)