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 11:51 N 16 G 24 10.00 Mostly Cloudy FEW028 BKN250 37 23 57% 28 29.89 1012.6
20 10:51 NW 18 G 24 10.00 Mostly Cloudy FEW025 BKN250 36 23 59% 26 29.87 1011.8
20 09:51 NW 16 G 30 10.00 Mostly Cloudy FEW019 FEW060 BKN250 34 21.9 61% 24 29.83 1010.7
20 08:51 NW 16 G 25 10.00 Mostly Cloudy FEW017 SCT045 BKN090 32 23 69% 22 29.78 1009.2
20 07:51 NW 15 G 26 4.00 Light Snow Fog/Mist BKN015 OVC036 30.9 26.1 82% 21 29.75 1007.9
20 06:51 NW 18 G 30 2.50 Light Snow Fog/Mist BKN013 OVC018 30.9 28 36 30.9 89% 20 29.71 1006.5 0.01 0.22
20 05:51 NW 14 G 28 1.25 Light Snow Fog/Mist FEW007 OVC011 32 30 92% 23 29.67 1005.1 0.03
20 04:51 NW 12 1.00 Light Snow Fog/Mist VV008 32 30 92% 24 29.63 1003.9 0.08
20 03:51 NW 12 1.00 Light Snow Fog/Mist VV008 33.1 30.9 92% 25 29.59 1002.4 0.07 0.1
20 02:51 NW 15 G 24 2.50 Light Snow Snow Pellets Fog/Mist OVC017 34 30 85% 25 29.55 1001.1 0.03
20 01:51 N 24 G 31 10.00 Overcast and Breezy OVC015 36 30.9 82% 25 29.5 999.3
20 00:51 N 21 10.00 Overcast and Breezy OVC012 36 32 39.9 35.1 86% 26 29.47 998.3 0.01
19 23:51 N 20 10.00 Overcast BKN012 OVC018 36 32 86% 26 29.5 999.4 0.01
19 22:51 N 17 G 22 10.00 Overcast OVC012 37 33.1 86% 28 29.54 1000.6
19 21:51 N 17 10.00 Overcast OVC011 37.9 34 86% 29 29.49 999.0
19 20:51 N 10 10.00 Overcast OVC011 39 36 89% 33 29.46 998.1
19 19:51 N 15 G 26 10.00 Mostly Cloudy SCT009 BKN150 BKN250 39.9 36 86% 32 29.39 995.6
19 18:51 N 21 6.00 Light Rain Fog/Mist and Breezy FEW015 SCT055 OVC070 39.9 37 42.1 39.9 89% 31 29.4 995.9 0.15 0.53
19 17:51 W 15 G 25 4.00 Thunderstorm Rain Fog/Mist FEW006 SCT027CB OVC065 42.1 39.9 92% 35 29.4 995.8 0.21
19 16:51 NE 16 6.00 Fog/Mist OVC006 41 39 93% 33 29.35 994.3
19 15:51 NE 18 G 24 5.00 Fog/Mist OVC006 39.9 37.9 93% 31 29.36 994.4 0.03 0.17
19 14:51 NE 17 5.00 Thunderstorm Light Rain Fog/Mist BKN007 OVC030CB 39.9 37.9 93% 32 29.44 997.4 0.05
19 13:51 NE 17 G 29 6.00 Fog/Mist BKN006 BKN034 OVC042 39.9 37.9 93% 32 29.43 996.9 0.09
19 12:51 NE 17 10.00 Light Rain FEW010 BKN040 OVC090 42.1 37.9 46.9 39.9 85% 34 29.52 999.8
19 11:51 NE 17 10.00 Overcast FEW010 BKN055 OVC250 43 36 76% 36 29.55 1000.8
19 10:51 NE 16 10.00 Mostly Cloudy FEW010 SCT090 BKN250 46.9 37 69% 41 29.57 1001.4
19 09:51 NE 15 10.00 Mostly Cloudy FEW010 FEW090 BKN250 45 37 74% 39 29.55 1001.0
19 08:51 NE 13 10.00 A Few Clouds FEW010 FEW090 FEW250 43 37 80% 37 29.57 1001.7
19 07:51 NE 10 10.00 A Few Clouds FEW010 FEW090 FEW250 41 36 82% 35 29.6 1002.4
19 06:51 NE 7 10.00 Mostly Cloudy BKN090 BKN250 39.9 36 43 39 86% 36 29.58 1001.8
19 05:51 N 10 10.00 Mostly Cloudy BKN080 BKN250 39.9 35.1 83% 34 29.59 1002.1
19 04:51 NE 10 10.00 Mostly Cloudy FEW210 BKN250 39.9 35.1 83% 34 29.6 1002.3
19 03:51 NE 9 10.00 Overcast BKN210 OVC250 41 36 82% 36 29.59 1002.1
19 02:51 NE 8 10.00 Overcast OVC220 42.1 36 79% 38 29.6 1002.4
19 01:51 NE 9 10.00 Overcast OVC220 43 37 80% 38 29.61 1002.7
19 00:51 N 6 10.00 Overcast BKN200 OVC240 43 37 69.1 42.1 80% 40 29.62 1003.2
18 23:51 NE 10 10.00 Overcast SCT200 OVC240 43 36 76% 38 29.62 1003.2
18 22:51 NE 10 10.00 Overcast FEW200 OVC250 43 36 76% 38 29.62 1003.3
18 21:51 N 12 10.00 Overcast SCT200 OVC250 44.1 36 73% 39 29.62 1003.3
18 20:51 N 13 10.00 Overcast SCT200 OVC250 46 37 71% 41 29.61 1002.8
18 19:51 E 5 10.00 Overcast BKN200 OVC250 64.9 46 51% 29.59 1002.1
18 18:51 S 6 10.00 Overcast SCT190 OVC250 69.1 45 72 61 42% 29.58 1001.5
18 17:51 S 16 G 28 10.00 Overcast SCT200 OVC250 71.1 45 39% 29.57 1001.1
18 16:51 S 13 G 29 10.00 Overcast SCT190 OVC250 71.1 46 41% 29.57 1001.1
18 15:51 S 15 G 28 10.00 Mostly Cloudy SCT190 BKN250 71.1 45 39% 29.59 1002.0
18 14:51 S 15 G 24 10.00 Mostly Cloudy BKN190 BKN250 66.9 42.1 41% 29.63 1003.5
18 13:51 S 9 G 21 10.00 Overcast BKN180 OVC250 64.9 41 42% 29.67 1004.8
18 12:51 S 10 10.00 Overcast SCT160 OVC210 60.1 39 60.1 46 46% 29.72 1006.4
18 11:51 S 9 10.00 Overcast OVC210 57.9 37.9 48% 29.76 1007.9
18 10:51 S 9 10.00 Overcast OVC200 53.1 36 52% 29.8 1009.1
18 09:51 S 9 10.00 Mostly Cloudy BKN190 50 36 59% 47 29.81 1009.6
18 08:51 S 12 10.00 Overcast OVC200 48 35.1 61% 44 29.8 1009.3
18 07:51 S 9 10.00 Mostly Cloudy BKN200 BKN250 46 35.1 66% 42 29.81 1009.8
18 06:51 S 13 10.00 A Few Clouds FEW200 FEW250 46.9 34 48.9 46.9 61% 42 29.83 1010.3
18 05:51 S 14 10.00 Partly Cloudy FEW200 SCT250 46.9 34 61% 42 29.83 1010.2
18 04:51 S 15 G 24 10.00 Partly Cloudy SCT240 48 34 58% 43 29.82 1010.0
18 03:51 S 17 G 25 10.00 Mostly Cloudy BKN230 48.9 34 56% 43 29.82 1010.1
18 02:51 S 13 G 23 10.00 Mostly Cloudy BKN250 46.9 33.1 59% 42 29.83 1010.5
18 01:51 S 15 G 23 10.00 Partly Cloudy SCT250 46.9 32 56% 41 29.86 1011.3
18 00:51 S 15 G 29 10.00 A Few Clouds FEW250 46.9 32 51.1 46 56% 41 29.87 1011.7
17 23:51 S 16 G 29 10.00 Fair CLR 46.9 32 56% 41 29.88 1012.2
17 22:51 S 17 G 30 10.00 Fair CLR 46.9 32 56% 41 29.9 1012.7
17 21:51 S 20 G 31 10.00 Fair CLR 48 32 54% 42 29.9 1012.8
17 20:51 S 20 G 30 10.00 Fair CLR 48.9 33.1 55% 43 29.91 1013.1
17 19:51 S 13 G 31 10.00 Fair CLR 50 33.1 52% 46 29.91 1013.1
17 18:51 S 15 G 31 10.00 A Few Clouds FEW250 51.1 30 53.1 45 45% 29.9 1012.9
17 17:51 S 18 G 36 10.00 Partly Cloudy SCT250 53.1 28.9 40% 29.88 1012.1
17 16:51 S 22 G 33 10.00 A Few Clouds and Breezy FEW250 53.1 28.9 40% 29.88 1012.4
17 15:51 S 25 G 36 10.00 A Few Clouds and Breezy FEW250 53.1 27 37% 29.92 1013.7
17 14:51 S 23 G 33 10.00 A Few Clouds and Breezy FEW150 FEW250 51.1 25 36% 29.98 1015.6
17 13:51 S 21 G 31 10.00 A Few Clouds and Breezy FEW160 FEW250 48.9 24.1 38% 43 30.04 1017.6
17 12:51 S 17 G 26 10.00 Partly Cloudy SCT160 SCT250 45 24.1 45 27 44% 38 30.08 1019.3
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)