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.
27 17:51 SW 9 16.09 Mostly Cloudy FEW050 FEW100 BKN250 16.7 -4.4 18.3 12.8 23% 75.44 1005.9
27 16:51 SW 19 16.09 Mostly Cloudy SCT090 BKN250 17.8 -5 21% 75.44 1006.1
27 15:51 SW 20 G 33 16.09 Mostly Cloudy BKN090 18.3 -5 20% 75.49 1006.6
27 14:51 S 24 G 33 16.09 Mostly Cloudy BKN090 16.7 -3.3 25% 75.54 1007.3
27 13:51 SW 28 G 44 16.09 Mostly Cloudy BKN100 BKN250 16.1 -3.9 25% 75.62 1008.2
27 12:51 SW 28 G 50 16.09 Mostly Cloudy SCT100 BKN120 BKN250 13.9 -3.3 30% 75.69 1009.5
27 11:51 SW 30 G 46 16.09 Mostly Cloudy FEW110 BKN250 12.8 -2.8 12.8 -1.1 34% 75.79 1010.7
27 10:51 SW 22 G 39 16.09 Mostly Cloudy FEW100 BKN250 11.1 -2.8 38% 75.84 1011.6
27 09:51 S 13 16.09 Mostly Cloudy FEW090 BKN250 7.8 0.6 61% 6 75.9 1012.3
27 08:51 S 15 9.66 Fog/Mist FEW003 SCT090 BKN250 3.3 1.1 86% 0 75.95 1012.9
27 07:51 S 9 0.80 Freezing Fog BKN001 -0.6 -1.1 96% -3 75.92 1012.9
27 06:51 S 9 1.61 Fog/Mist BKN002 BKN250 -1.1 -2.2 92% -4 75.9 1012.5
27 05:51 S 7 14.48 A Few Clouds FEW005 -1.1 -2.2 1.7 -2.2 92% -3 75.9 1012.5
27 04:51 SW 7 16.09 A Few Clouds FEW005 -0.6 -1.7 92% -3 75.87 1012.2
27 03:51 SW 7 16.09 Fair CLR 0 -1.7 88% -2 75.87 1012.0
27 02:51 SW 9 16.09 Fair CLR 0.6 -1.7 85% -2 75.84 1011.6
27 01:51 SW 7 16.09 Fair CLR 1.1 -1.1 85% -1 75.87 1012.0
27 00:51 S 11 16.09 A Few Clouds FEW200 1.1 -1.7 82% -2 75.87 1012.3
26 23:51 SW 13 16.09 Fair CLR 1.7 -1.7 4.4 1.7 78% -2 75.9 1012.4
26 22:51 SW 9 16.09 Fair CLR 1.7 -2.2 76% -1 75.9 1012.3
26 21:51 SW 9 16.09 Fair CLR 2.2 -3.3 67% -0 75.87 1012.1
26 20:51 SW 6 16.09 Fair CLR 2.8 -4.4 59% 75.87 1012.1
26 19:51 S 7 16.09 Fair CLR 2.8 -5 57% 1 75.87 1012.1
26 18:51 S 9 16.09 A Few Clouds FEW055 3.3 -6.1 51% 1 75.87 1012.1
26 17:51 S 6 16.09 Partly Cloudy FEW060 FEW190 SCT250 4.4 -6.1 5 1.7 47% 75.84 1012.0
26 16:51 SW 9 16.09 Mostly Cloudy SCT060 BKN250 5 -6.7 43% 3 75.82 1011.6
26 15:51 S 13 16.09 Mostly Cloudy FEW030 BKN055 BKN250 4.4 -7.2 43% 2 75.84 1011.8
26 14:51 SW 11 G 26 16.09 Mostly Cloudy FEW030 SCT050 BKN070 BKN250 4.4 -7.2 43% 2 75.84 1011.9
26 13:51 SW 15 16.09 Overcast FEW028 BKN040 OVC070 3.3 -8.3 43% 0 75.84 1012.0
26 12:51 SW 17 16.09 Mostly Cloudy BKN041 BKN055 3.3 -8.3 43% -0 75.9 1012.4
26 11:51 S 7 16.09 Overcast SCT045 OVC080 2.2 -8.3 2.2 -7.2 46% 0 75.92 1013.0
26 10:51 S 9 16.09 Overcast FEW050 OVC080 0.6 -7.8 54% -2 75.95 1013.4
26 09:51 S 15 16.09 Partly Cloudy SCT080 SCT250 0.6 -7.2 56% -3 75.95 1013.3
26 08:51 S 9 16.09 Partly Cloudy FEW080 SCT250 -1.1 -7.2 64% -4 75.95 1013.4
26 07:51 E 6 16.09 Mostly Cloudy FEW035 FEW100 BKN250 -3.9 -10.6 60% 75.9 1012.7
26 06:51 N 7 16.09 Mostly Cloudy FEW035 FEW100 BKN250 -6.1 -12.2 62% -9 75.87 1012.4
26 05:51 Calm 16.09 A Few Clouds FEW035 -7.2 -13.3 -2.8 -7.2 62% 75.87 1012.4
26 04:51 N 6 16.09 A Few Clouds FEW040 -6.7 -13.3 60% 75.84 1012.0
26 03:51 N 7 16.09 A Few Clouds FEW100 -5.6 -13.3 55% -9 75.87 1012.4
26 02:51 Calm 16.09 A Few Clouds FEW100 -5 -13.3 53% 75.87 1012.3
26 01:51 N 9 16.09 A Few Clouds FEW110 -6.1 -13.9 54% -10 75.9 1012.7
26 00:51 N 11 16.09 Partly Cloudy SCT140 SCT200 -5 -13.3 53% -9 75.9 1012.5
25 23:51 NW 7 16.09 Partly Cloudy SCT140 SCT250 -2.2 -12.2 1.1 -2.2 47% -5 75.87 1012.3
25 22:51 NW 7 16.09 Mostly Cloudy FEW100 BKN170 BKN250 -1.7 -12.2 45% -4 75.79 1011.1
25 21:51 NW 6 16.09 Overcast FEW120 BKN180 OVC250 -1.1 -12.8 41% 75.77 1010.8
25 20:51 W 7 16.09 Overcast OVC250 -1.1 -12.2 43% -3 75.74 1010.7
25 19:51 NW 6 16.09 Mostly Cloudy BKN250 -0.6 -13.3 38% 75.67 1009.7
25 18:51 NW 6 16.09 A Few Clouds FEW250 0 -13.3 36% 75.64 1009.1
25 17:51 W 13 16.09 A Few Clouds FEW250 1.1 -13.3 3.3 0 34% -2 75.59 1008.3
25 16:51 W 20 G 31 16.09 A Few Clouds FEW250 2.2 -12.8 32% -2 75.54 1007.8
25 15:51 W 19 G 31 16.09 A Few Clouds FEW200 FEW250 2.2 -12.2 34% -2 75.49 1006.9
25 14:51 NW 17 G 31 16.09 A Few Clouds FEW200 FEW250 2.8 -11.7 34% -1 75.44 1006.3
25 13:51 W 19 G 33 16.09 Partly Cloudy FEW038 SCT200 SCT250 2.2 -12.2 34% -2 75.41 1006.1
25 12:51 W 20 G 35 16.09 A Few Clouds FEW035 FEW110 1.7 -11.7 37% -3 75.41 1006.1
25 11:51 W 17 G 33 16.09 A Few Clouds FEW033 0 -10 0.6 -2.8 47% -4 75.44 1006.5
25 10:51 W 15 G 30 16.09 Partly Cloudy SCT030 -0.6 -9.4 52% -5 75.39 1005.6
25 09:51 W 22 G 33 16.09 Partly Cloudy SCT028 -1.1 -9.4 54% -7 75.36 1005.5
25 08:51 NW 24 G 35 16.09 Partly Cloudy SCT024 -2.2 -8.9 60% -8 75.31 1004.6
25 07:51 NW 26 G 43 16.09 A Few Clouds FEW026 -2.8 -8.9 63% -9 75.23 1003.6
25 06:51 W 20 16.09 A Few Clouds FEW028 -2.8 -7.2 72% -8 75.16 1002.5
25 05:51 W 17 16.09 A Few Clouds FEW028 -2.2 -6.7 0 -2.8 72% -7 75.08 1001.6
25 04:51 W 17 16.09 Fair CLR -2.2 -5.6 78% -7 75.06 1001.3
25 03:51 SW 19 16.09 Fair CLR -2.2 -5.6 78% -7 75.06 1001.3
25 02:51 SW 15 16.09 Fair CLR -1.7 -5.6 75% -6 75.06 1001.2
25 01:51 SW 11 16.09 Fair CLR -1.7 -5.6 75% -5 75.08 1001.5
25 00:51 W 11 16.09 Fair CLR -0.6 -6.1 67% -4 75.06 1001.4
24 23:51 W 9 16.09 Fair CLR 0 -6.1 3.9 0 64% -3 75.01 1000.7
24 22:51 W 13 16.09 A Few Clouds FEW027 1.1 -6.1 59% -2 74.98 1000.2
24 21:51 W 17 G 35 16.09 Partly Cloudy SCT027 3.3 -5.6 52% -0 74.93 999.4
24 20:51 W 24 G 35 16.09 Overcast OVC033 3.3 -5 55% -1 74.93 999.4
24 19:51 SW 20 G 35 16.09 Overcast OVC040 3.3 -7.2 46% -1 74.93 999.6
24 18:51 SW 26 G 41 16.09 Overcast SCT047 BKN065 OVC100 3.3 -7.8 44% -1 74.9 999.4
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)