Weather observations for the past three days for
Chicago, Chicago-O'Hare International Airport
Imperial (Metric)
Date Time (cdt) Wind (mph) Vis. (mi.) Weather Sky Cond. Temperature (ºF) Relative Humidity Wind Chill (°F) Heat Index (°F) Pressure Precipitation (in)
Air Dwpt 6 hour altimeter (in) sea level (mb) 1 hr 3 hr 6 hr
Max. Min.
20 12:51 W 8 10.00 Mostly Cloudy BKN250 69.1 45 69.1 51.1 42% 29.76 1007.6
20 11:51 W 9 10.00 Mostly Cloudy FEW200 BKN250 64.9 44.1 47% 29.77 1008.2
20 10:51 W 10 10.00 Mostly Cloudy SCT200 BKN250 62.1 44.1 52% 29.77 1008.3
20 09:51 W 14 G 22 10.00 Mostly Cloudy BKN200 BKN250 59 43 56% 29.76 1008.0
20 08:51 SW 13 10.00 Overcast FEW160 OVC250 54 42.1 64% 29.76 1008.0
20 07:51 SW 12 G 21 10.00 Overcast SCT160 OVC250 52 41 66% 29.77 1008.2
20 06:51 SW 13 10.00 Overcast FEW140 BKN170 OVC250 52 41 52 39.9 66% 29.78 1008.4
20 04:51 SW 10 10.00 Overcast OVC180 48.9 39.9 71% 45 29.8 1009.4
20 03:51 SW 8 10.00 Partly Cloudy FEW150 SCT250 45 37.9 77% 41 29.83 1010.1
20 02:51 SW 6 10.00 A Few Clouds FEW150 FEW250 45 36 71% 42 29.86 1011.1
20 01:51 SW 5 10.00 Mostly Cloudy FEW150 BKN250 39.9 33.1 77% 37 29.89 1012.4
20 00:51 Calm 10.00 NULL NULL 41 33.1 46.9 39.9 73% 29.93 1013.5
19 23:51 Calm 10.00 Mostly Cloudy BKN250 41 33.1 73% 29.95 1014.3
19 22:51 Calm 10.00 Mostly Cloudy BKN250 41 32 70% 29.97 1015.2
19 21:51 E 5 10.00 Partly Cloudy SCT250 42.1 30.9 65% 40 30 1016.3
19 20:51 E 5 10.00 A Few Clouds FEW250 42.1 30.9 65% 40 30.02 1017.0
19 19:51 E 9 10.00 A Few Clouds FEW250 44.1 30.9 60% 40 30.04 1017.5
19 18:51 E 7 10.00 A Few Clouds FEW250 46.9 30 62.1 46.9 52% 44 30.04 1017.5
19 17:51 E 8 10.00 Mostly Cloudy BKN250 50 30.9 48% 47 30.06 1018.1
19 16:51 E 9 10.00 Mostly Cloudy BKN250 53.1 33.1 47% 30.06 1018.2
19 15:51 E 10 10.00 Mostly Cloudy BKN250 55 34 45% 30.05 1017.8
19 14:51 NE 12 10.00 Mostly Cloudy BKN250 55.9 35.1 46% 30.05 1018.1
19 13:51 E 5 10.00 A Few Clouds FEW250 62.1 37 40% 30.07 1018.3
19 12:51 E 3 10.00 A Few Clouds FEW250 59 36 59 36 42% 30.08 1018.8
19 11:51 SE 3 10.00 A Few Clouds FEW250 55.9 35.1 46% 30.08 1018.8
19 10:51 E 3 10.00 A Few Clouds FEW180 FEW250 51.1 33.1 50% 30.09 1019.2
19 09:51 S 5 10.00 Partly Cloudy FEW070 SCT180 SCT250 46.9 33.1 59% 45 30.08 1019.1
19 08:51 S 6 10.00 Partly Cloudy FEW060 FEW120 SCT250 42.1 32 68% 39 30.07 1018.7
19 07:51 S 3 9.00 Partly Cloudy FEW060 FEW110 SCT250 37 30 76% 30.05 1018.3
19 05:51 SW 7 9.00 Partly Cloudy FEW070 SCT120 37 30 76% 32 30.03 1017.5
19 04:51 SE 5 9.00 Mostly Cloudy BKN120 36 28.9 76% 33 30.02 1017.1
19 03:51 Calm 10.00 Overcast SCT120 OVC250 34 28.9 82% 30.04 1017.7
19 02:51 Calm 10.00 Overcast SCT110 OVC250 36 28.9 76% 30.04 1017.7
19 01:51 Calm 10.00 Overcast SCT120 BKN180 OVC250 37 28.9 73% 30.04 1017.8
19 00:51 Calm 10.00 Overcast FEW120 BKN180 OVC250 37 28.9 43 36 73% 30.05 1018.0
18 23:51 Calm 10.00 Overcast BKN180 OVC250 37 28.9 73% 30.04 1017.9
18 22:51 Calm 10.00 Overcast BKN180 OVC250 37.9 28.9 70% 30.04 1017.9
18 21:51 NW 3 10.00 Overcast BKN180 OVC250 37.9 28 68% 30.05 1018.1
18 20:51 NW 6 10.00 Overcast BKN190 OVC250 39 28.9 67% 35 30.04 1018.1
18 19:51 W 6 10.00 Overcast OVC240 41 30 65% 38 30.03 1017.5
18 18:51 W 6 10.00 Mostly Cloudy BKN250 43 30 46 37 60% 40 30.01 1016.8
18 17:51 W 7 10.00 A Few Clouds FEW250 46 30 54% 43 29.97 1015.6
18 16:51 SW 10 10.00 Fair CLR 46 30 54% 42 29.97 1015.4
18 15:51 W 7 10.00 Partly Cloudy SCT039 44.1 28.9 55% 41 29.97 1015.4
18 14:51 SW 12 10.00 Mostly Cloudy BKN041 42.1 27 55% 36 29.96 1015.2
18 13:51 SW 13 10.00 Overcast FEW031 OVC043 39.9 26.1 58% 33 29.98 1015.9
18 12:51 SW 15 G 23 10.00 A Few Clouds FEW031 FEW055 37 24.1 37 24.1 59% 29 29.99 1016.4
18 11:51 S 15 10.00 Partly Cloudy FEW025 SCT055 34 24.1 67% 25 30 1016.7
18 10:51 S 14 G 24 10.00 Overcast FEW032 OVC060 30 21 69% 20 30.02 1017.3
18 09:51 S 12 G 22 10.00 Overcast BKN033 OVC060 27 19.9 75% 17 30.02 1017.4
18 08:51 S 15 G 23 4.00 Light Snow BKN043 OVC055 26.1 19 75% 15 30.02 1017.6
18 07:51 S 16 G 22 10.00 Light Snow FEW015 BKN041 OVC060 25 19 78% 13 30.02 1017.6
18 06:51 S 13 G 26 10.00 Overcast OVC014 24.1 19 24.1 23 81% 13 30.02 1017.6 0.01
18 05:51 S 10 7.00 Light Snow BKN015 OVC039 24.1 19 81% 15 30.03 1017.9
18 04:51 S 14 G 21 7.00 Light Snow BKN015 BKN033 OVC042 24.1 19 81% 13 30.04 1018.2
18 03:51 S 12 4.00 Light Snow Fog/Mist FEW015 BKN037 OVC060 23 19 85% 13 30.06 1018.7 0.01
18 02:51 S 9 6.00 Light Snow Fog/Mist SCT013 BKN049 OVC070 23 19 85% 14 30.08 1019.6 0.01
18 01:51 S 6 2.00 Light Snow Fog/Mist FEW016 OVC028 23 19 85% 17 30.11 1020.4
18 00:51 S 10 3.00 Light Snow OVC030 23 17.1 24.1 21.9 78% 13 30.13 1021.1
17 23:51 S 8 10.00 Overcast BKN060 OVC075 24.1 12 60% 16 30.14 1021.7
17 22:51 S 10 10.00 Overcast BKN070 OVC160 23 10 57% 13 30.16 1022.4
17 21:51 S 6 10.00 Overcast OVC095 23 9 55% 17 30.16 1022.4
17 20:51 SW 7 10.00 Overcast SCT095 BKN130 BKN200 OVC250 21.9 7 52% 14 30.16 1022.4
17 19:51 SW 12 10.00 Overcast BKN110 OVC250 21.9 6.1 50% 11 30.17 1022.9
17 18:51 SW 10 10.00 Overcast BKN120 OVC250 21.9 3.9 24.1 21 46% 12 30.17 1022.8
17 17:51 S 10 10.00 Overcast OVC250 21.9 3.9 46% 12 30.17 1022.8
17 16:51 SW 6 G 17 10.00 Overcast OVC250 21.9 3 44% 15 30.15 1022.1
17 15:51 SW 9 10.00 Overcast OVC250 21.9 -0 38% 13 30.16 1022.4
17 14:51 W 14 G 22 10.00 Mostly Cloudy FEW040 BKN250 21.9 -0 38% 10 30.18 1023.0
17 13:51 W 12 10.00 Mostly Cloudy FEW050 BKN250 21.9 1 40% 11 30.18 1023.2
Date Time (cdt) Wind (mph) Vis. (mi.) Weather Sky Cond. Air Dwpt Max. Min. Relative Humidity Wind Chill (°F) Heat Index (°F) altimeter (in) sea level (mb) 1 hr 3 hr 6 hr
6 hour
Temperature (ºF) Pressure Precipitation (in)