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.
22 00:51 SW 16 G 28 10.00 A Few Clouds FEW150 FEW250 69.1 46.9 75 69.1 45% 29.58 1001.2
21 23:51 SW 15 G 25 10.00 Partly Cloudy SCT250 70 45 41% 29.6 1001.9
21 22:51 S 10 G 20 10.00 Mostly Cloudy SCT250 BKN300 71.1 44.1 38% 29.61 1002.4
21 21:51 SW 14 G 21 10.00 Mostly Cloudy BKN250 72 44.1 37% 29.62 1002.7
21 20:51 SW 12 10.00 Mostly Cloudy BKN250 72 45 38% 29.63 1003.3
21 19:51 SW 10 10.00 Mostly Cloudy FEW200 BKN250 73 45 37% 29.65 1003.8
21 18:51 SW 12 10.00 Mostly Cloudy FEW200 BKN250 75 45 77 63 34% 77 29.65 1004.0
21 17:51 SW 14 G 26 10.00 Mostly Cloudy BKN250 77 45 32% 78 29.66 1004.3
21 16:51 S 12 10.00 Mostly Cloudy BKN250 73.9 44.1 34% 29.68 1005.1
21 15:51 S 17 G 26 10.00 Mostly Cloudy FEW100 BKN250 71.1 42.1 35% 29.72 1006.1
21 14:51 S 12 10.00 Partly Cloudy FEW100 SCT250 70 42.1 37% 29.75 1007.5
21 13:51 S 13 G 20 10.00 A Few Clouds FEW110 FEW250 66 39 37% 29.81 1009.3
21 12:51 S 12 10.00 A Few Clouds FEW110 FEW250 62.1 41 62.1 44.1 46% 29.85 1011.1
21 11:51 S 12 9.00 Partly Cloudy FEW110 SCT250 59 44.1 58% 29.88 1011.9
21 10:51 S 7 8.00 Overcast BKN100 OVC250 55 42.1 62% 29.91 1012.9
21 09:51 S 6 9.00 Mostly Cloudy BKN120 BKN250 53.1 41 64% 29.92 1013.4
21 08:51 SE 7 8.00 Mostly Cloudy BKN140 BKN250 48.9 39 69% 46 29.92 1013.5
21 07:51 E 5 9.00 Mostly Cloudy BKN130 BKN250 45 37 74% 43 29.93 1013.7
21 06:51 E 5 10.00 Overcast BKN130 OVC250 44.1 37 46 41 76% 42 29.92 1013.5
21 05:51 E 3 10.00 Overcast BKN150 OVC250 43 36 76% 29.92 1013.5
21 04:51 E 5 10.00 Overcast SCT150 BKN180 OVC250 44.1 36 73% 42 29.93 1013.6
21 03:51 NE 3 10.00 Overcast SCT170 BKN220 OVC250 46 36 68% 29.94 1014.0
21 02:51 Calm 10.00 Overcast BKN220 OVC250 43 36 76% 29.94 1013.8
21 01:51 Calm 10.00 Overcast SCT180 OVC220 43 36 76% 29.94 1014.0
21 00:51 Calm 10.00 Overcast SCT180 OVC210 43 35.1 48 42.1 74% 29.95 1014.4
20 23:51 E 3 10.00 Overcast SCT200 OVC250 43 35.1 74% 29.96 1014.5
20 22:51 NE 5 10.00 Overcast BKN200 OVC250 44.1 36 73% 42 29.95 1014.3
20 21:51 N 5 10.00 Overcast OVC210 45 36 71% 43 29.95 1014.2
20 20:51 N 8 10.00 Overcast OVC240 45 36 71% 41 29.94 1014.1
20 19:51 NE 13 10.00 Overcast OVC250 46 37 71% 41 29.93 1013.7
20 18:51 NE 10 10.00 Overcast OVC250 48 37.9 72 48 68% 44 29.9 1012.6
20 17:51 NE 14 10.00 Overcast OVC250 51.1 39 64% 29.88 1012.0
20 16:51 NE 13 10.00 Overcast OVC250 55 39.9 57% 29.85 1010.8
20 15:51 NE 18 10.00 Mostly Cloudy BKN250 57 42.1 58% 29.82 1009.9
20 14:51 NE 18 G 26 10.00 Mostly Cloudy BKN250 64.9 45 49% 29.78 1008.5
20 13:51 NW 10 G 20 10.00 Mostly Cloudy BKN250 71.1 46 41% 29.77 1008.1
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
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)