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.
30 23:51 Calm 7.00 Light Rain SCT025 OVC034 41 37 86% 29.98 1015.3 0.03
30 22:51 E 6 10.00 Overcast OVC030 41 35.1 79% 38 29.97 1015.1
30 21:51 E 8 10.00 Light Rain OVC032 41 34 76% 36 29.98 1015.5 0.04 0.05
30 20:51 E 9 10.00 Light Rain BKN034 OVC041 42.1 32 68% 37 29.96 1015.0 0.01
30 19:51 E 9 10.00 Overcast SCT030 BKN044 OVC055 42.1 34 73% 37 29.96 1014.7
30 18:51 E 9 10.00 Light Rain SCT028 OVC032 43 37 51.1 43 80% 38 29.96 1015.0 0.01 0.03
30 17:51 E 10 10.00 Light Rain BKN036 OVC050 44.1 37 76% 39 29.96 1015.0 0.02
30 16:51 E 8 10.00 Light Rain BKN042 OVC060 46 36 68% 42 29.96 1015.0
30 15:51 E 12 10.00 Mostly Cloudy FEW050 BKN060 BKN080 48 36 63% 44 29.96 1015.0
30 14:51 NE 10 10.00 Mostly Cloudy FEW050 BKN065 BKN080 BKN250 48.9 37 64% 45 29.98 1015.4
30 13:51 NE 12 10.00 Overcast BKN070 OVC100 48.9 37.9 66% 45 29.98 1015.6
30 12:51 E 10 10.00 Overcast BKN060 OVC110 51.1 37.9 55.9 41 61% 29.99 1015.9
30 11:51 W 9 10.00 Mostly Cloudy FEW035 BKN060 BKN080 54 30 40% 30 1016.1
30 10:51 Vrbl 3 10.00 Mostly Cloudy FEW040 BKN065 BKN085 53.1 30 41% 30.01 1016.5
30 09:51 Calm 10.00 Partly Cloudy SCT070 SCT110 51.1 35.1 54% 30.02 1016.8
30 08:51 Vrbl 3 10.00 Partly Cloudy SCT080 46.9 37.9 71% 30.03 1017.2
30 07:51 Calm 10.00 A Few Clouds FEW085 43 37.9 82% 30.03 1017.3
30 06:51 Calm 10.00 A Few Clouds FEW080 41 37 41 37 86% 30.02 1017.1
30 05:51 NW 3 10.00 A Few Clouds FEW080 37.9 36 93% 30.02 1016.9
30 04:51 Calm 10.00 Fair CLR 39 36 89% 30.01 1016.6
30 03:51 SW 3 10.00 Fair CLR 39 37 93% 30.01 1016.5
30 02:51 W 6 9.00 Fair CLR 39.9 37 89% 36 30 1016.3
30 01:51 SW 5 9.00 Fair CLR 39.9 37.9 93% 37 30.01 1016.6
30 00:51 SW 5 10.00 Fair CLR 41 39 46.9 41 93% 38 30.02 1016.8
29 23:51 Calm 10.00 A Few Clouds FEW090 41 39 93% 30.02 1016.7
29 22:51 Calm 10.00 A Few Clouds FEW060 FEW090 43 37.9 82% 30.02 1016.9
29 21:51 N 5 10.00 Partly Cloudy FEW029 SCT050 SCT085 43 39 86% 41 30.02 1017.0
29 20:51 N 10 10.00 Mostly Cloudy FEW020 BKN033 BKN080 44.1 37.9 79% 39 30.02 1016.9
29 19:51 NE 8 10.00 Mostly Cloudy FEW021 BKN033 BKN080 BKN250 45 37.9 77% 41 30 1016.2
29 18:51 N 10 10.00 Mostly Cloudy FEW018 SCT029 BKN080 46 39 53.1 46 77% 42 29.98 1015.4
29 17:51 N 12 10.00 Mostly Cloudy FEW014 SCT026 BKN080 46.9 39.9 77% 42 29.97 1014.9
29 16:51 NE 12 10.00 Mostly Cloudy SCT021 BKN050 BKN085 46.9 39.9 77% 42 29.96 1014.5
29 15:51 N 15 10.00 Light Rain SCT022 BKN037 OVC070 48 39.9 74% 43 29.95 1014.4
29 14:51 N 12 10.00 Mostly Cloudy BKN017 BKN041 BKN070 51.1 43 74% 29.95 1014.3
29 13:51 N 16 10.00 Overcast BKN019 BKN048 OVC065 50 42.1 74% 45 29.94 1013.9
29 12:51 NW 16 10.00 Overcast BKN020 OVC033 52 45 55.9 50 77% 29.93 1013.5
29 11:51 N 12 10.00 Overcast BKN030 BKN043 OVC090 53.1 44.1 72% 29.91 1013.0
29 10:51 N 8 10.00 Overcast OVC032 54 43 67% 29.91 1012.9
29 09:51 N 9 10.00 Mostly Cloudy BKN025 BKN050 54 43 67% 29.91 1012.9
29 08:51 NW 8 10.00 Mostly Cloudy SCT070 SCT090 BKN130 54 44.1 69% 29.91 1012.9
29 07:51 N 8 10.00 Mostly Cloudy BKN060 50 43 77% 47 29.92 1013.1
29 06:51 N 7 10.00 Overcast OVC060 50 43 57 50 77% 48 29.91 1013.0
29 05:51 N 13 10.00 Overcast OVC060 52 41 66% 29.9 1012.6
29 04:51 NW 12 10.00 Overcast BKN060 OVC085 54 37.9 55% 29.88 1011.7
29 03:51 N 10 10.00 Overcast BKN060 BKN075 OVC090 54 41 62% 29.87 1011.4
29 02:51 NW 9 10.00 Overcast BKN060 OVC100 55 41 59% 29.88 1011.8
29 01:51 NW 7 10.00 Mostly Cloudy FEW060 BKN120 BKN200 55 39.9 57% 29.89 1012.1
29 00:51 NW 6 10.00 Mostly Cloudy BKN100 57 39.9 62.1 55.9 53% 29.89 1012.2
28 23:51 N 10 10.00 Mostly Cloudy FEW050 BKN130 BKN250 55.9 42.1 60% 29.89 1012.0
28 22:51 W 6 10.00 Mostly Cloudy SCT050 BKN100 BKN250 57.9 46 65% 29.92 1013.3
28 21:51 SW 5 10.00 Overcast SCT050 BKN120 OVC250 59 46 62% 29.92 1013.1
28 20:51 SW 3 10.00 Overcast SCT130 OVC250 59 45 60% 29.9 1012.7
28 19:51 W 6 10.00 Overcast SCT150 OVC250 61 45 56% 29.88 1012.0
28 18:51 W 5 10.00 Overcast BKN140 OVC250 62.1 44.1 64 57.9 52% 29.88 1011.9
28 17:51 NW 5 10.00 Partly Cloudy FEW030 FEW120 SCT250 64 45 50% 29.89 1012.1
28 16:51 NW 10 10.00 Mostly Cloudy FEW033 BKN250 63 45 52% 29.9 1012.5
28 15:51 W 9 G 18 10.00 Mostly Cloudy FEW033 BKN250 63 46 54% 29.91 1012.8
28 14:51 W 16 G 24 10.00 Partly Cloudy FEW032 SCT250 61 45 56% 29.92 1013.0
28 13:51 SW 14 G 29 10.00 Partly Cloudy SCT032 SCT250 60.1 45 58% 29.95 1014.1
28 12:51 SW 15 G 23 10.00 Mostly Cloudy BKN030 BKN250 57.9 44.1 59 50 60% 29.95 1014.0
28 11:51 W 12 G 20 10.00 Mostly Cloudy BKN030 BKN250 57 44.1 62% 29.93 1013.5
28 09:51 W 14 G 21 10.00 Overcast OVC025 52 43 72% 29.91 1012.8
28 08:51 W 13 G 21 10.00 Overcast OVC022 51.1 42.1 71% 29.89 1012.3
28 07:51 W 10 G 20 10.00 Overcast OVC017 51.1 44.1 77% 29.85 1010.9
28 06:51 W 12 G 24 10.00 Overcast OVC020 51.1 43 60.1 51.1 74% 29.81 1009.3
28 05:51 W 21 G 37 10.00 Overcast and Breezy OVC019 51.1 44.1 77% 29.76 1007.7
28 04:51 W 16 G 33 10.00 Overcast OVC019 52 45 77% 29.73 1006.7
28 03:51 W 20 G 38 10.00 Overcast OVC020 54 46.9 77% 29.71 1005.8
28 02:51 W 15 G 29 10.00 Overcast OVC020 55 48.9 80% 29.68 1005.0
28 01:51 W 18 G 30 10.00 Overcast OVC023 59 52 78% 29.66 1004.1
28 00:51 SW 12 10.00 Overcast BKN011 BKN016 OVC034 60.1 57.9 66.9 60.1 93% 29.65 1003.9 0.38
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)