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.
19 10:51 SW 17 G 28 10.00 Mostly Cloudy FEW027 SCT120 BKN250 75 62.1 64% 77 29.9 1012.2
19 09:51 SW 12 G 21 10.00 Mostly Cloudy FEW021 BKN170 BKN200 73.9 64 71% 29.89 1011.7
19 08:51 SW 13 G 29 10.00 Mostly Cloudy FEW017 SCT090 BKN170 72 64 76% 29.88 1011.3
19 07:51 SW 17 G 29 10.00 Overcast OVC017 70 63 79% 29.87 1011.3
19 06:51 S 17 G 29 10.00 Overcast FEW022 FEW070 BKN180 OVC250 69.1 62.1 70 66 78% 29.84 1010.0
19 05:51 S 15 G 29 10.00 Light Rain FEW030 FEW065 BKN160 OVC250 68 61 78% 29.8 1008.8
19 04:51 SW 14 G 24 10.00 Overcast BKN030 OVC120 70 61 73% 29.86 1010.8
19 03:51 S 13 G 29 10.00 Mostly Cloudy BKN042 BKN110 69.1 60.1 73% 29.87 1010.9
19 02:51 S 12 10.00 Overcast FEW100 OVC250 66.9 61 81% 29.87 1011.1
19 01:51 S 9 10.00 Overcast FEW070 SCT100 OVC250 66 61 84% 29.9 1012.0
19 00:51 S 9 10.00 Overcast SCT070 BKN100 OVC250 66.9 62.1 73.9 66.9 84% 29.9 1012.2
18 23:51 S 15 G 23 10.00 Overcast SCT070 BKN095 OVC250 68 62.1 81% 29.94 1013.4
18 22:51 S 8 10.00 Mostly Cloudy FEW090 BKN250 66.9 62.1 84% 29.9 1012.1
18 21:51 S 10 G 22 10.00 Overcast FEW090 SCT210 OVC250 68 63 84% 29.89 1011.6
18 20:51 S 15 G 22 10.00 Overcast FEW090 FEW170 OVC250 71.1 63 76% 29.89 1011.6
18 19:51 S 12 G 22 10.00 Overcast FEW090 SCT210 OVC250 72 63 73% 29.87 1011.1
18 18:51 S 15 G 23 10.00 Overcast FEW090 SCT210 OVC250 73.9 63 79 73 69% 29.85 1010.2
18 16:51 SW 13 G 25 10.00 Overcast FEW035 FEW130 OVC250 77 64 64% 79 29.85 1010.3
18 15:51 SW 15 G 29 10.00 Mostly Cloudy FEW030 FEW150 BKN250 77 63 62% 79 29.82 1009.5
18 14:51 SW 18 G 31 10.00 Mostly Cloudy FEW030 FEW130 BKN250 79 63 58% 81 29.83 1009.6
18 13:51 S 13 10.00 Mostly Cloudy FEW021 FEW120 BKN250 78.1 66 67% 80 29.83 1009.5
18 12:51 SE 6 10.00 Overcast FEW010 BKN120 OVC250 73 69.1 75.9 68 87% 29.81 1009.0 0.39
18 11:51 SE 8 10.00 Overcast FEW011 FEW032 BKN100 OVC130 70 68 93% 29.79 1008.2 0.39
18 10:51 SW 15 10.00 Thunderstorm SCT032CB BKN055 BKN150 OVC250 75.9 64.9 69% 78 29.83 1009.4
18 09:51 S 13 G 28 10.00 Overcast SCT030 BKN100 OVC250 75.9 64.9 69% 78 29.84 1009.9
18 08:51 S 13 G 23 10.00 Overcast SCT030 BKN055 BKN100 OVC250 75 64 69% 77 29.84 1010.0
18 07:51 SW 10 G 22 10.00 Light Rain BKN037CB BKN060 OVC250 75.9 63 64% 78 29.84 1009.8
18 06:51 S 16 G 25 10.00 Overcast SCT060 BKN090 OVC250 75 63 77 73.9 66% 77 29.83 1009.6
18 05:51 S 18 G 28 10.00 Overcast SCT055 BKN095 BKN200 OVC250 75 61 62% 77 29.83 1009.5
18 04:51 S 16 G 29 10.00 Mostly Cloudy FEW050 BKN070 BKN180 BKN250 75 59 58% 77 29.81 1008.9
18 03:51 S 12 G 28 10.00 Mostly Cloudy FEW050 SCT180 BKN250 73.9 57 56% 29.82 1009.1
18 02:51 S 15 G 22 10.00 Mostly Cloudy FEW055 SCT180 BKN250 75.9 57.9 54% 78 29.83 1009.4
18 01:51 S 15 G 25 10.00 Mostly Cloudy SCT065 BKN180 75.9 57.9 54% 78 29.85 1010.3
17 22:51 S 13 G 26 10.00 Partly Cloudy FEW065 SCT250 78.1 61 56% 80 29.82 1009.2
17 21:51 S 13 G 29 10.00 Mostly Cloudy FEW130 SCT170 BKN250 78.1 61 56% 80 29.81 1008.9
17 20:51 S 16 G 25 10.00 Mostly Cloudy FEW055 SCT130 BKN170 BKN250 80.1 61 52% 81 29.8 1008.5
17 19:51 S 22 G 33 10.00 Mostly Cloudy and Breezy FEW055 SCT170 BKN250 81 61 51% 82 29.81 1009.0
17 18:51 S 21 G 35 10.00 Mostly Cloudy and Breezy SCT055 SCT160 BKN250 82.9 60.1 87.1 82 46% 83 29.81 1009.0
17 17:51 S 16 G 33 10.00 Mostly Cloudy SCT060 SCT190 BKN250 84 62.1 48% 85 29.8 1008.6
17 16:51 S 20 G 31 10.00 Mostly Cloudy SCT060 BKN200 BKN250 84.9 62.1 46% 85 29.79 1008.3
17 15:51 S 22 G 33 10.00 Mostly Cloudy and Breezy BKN065 BKN200 BKN250 84.9 61 45% 85 29.8 1008.5
17 14:51 S 16 G 35 10.00 Mostly Cloudy SCT055 BKN200 BKN250 86 61 43% 86 29.81 1009.0
17 13:51 S 22 G 36 10.00 Mostly Cloudy and Breezy FEW045 BKN200 BKN250 84 62.1 48% 85 29.8 1008.4
17 12:51 S 16 G 30 10.00 Mostly Cloudy FEW039 SCT100 BKN200 BKN250 82.9 64 82.9 68 53% 84 29.85 1010.2
17 11:51 S 15 10.00 Mostly Cloudy FEW030 SCT100 BKN200 BKN250 78.1 64.9 64% 80 29.88 1011.2
17 10:51 S 13 10.00 Mostly Cloudy FEW025 BKN200 BKN250 75.9 64.9 69% 78 29.88 1011.3
17 09:51 S 6 10.00 Mostly Cloudy FEW023 FEW060 BKN250 73.9 64.9 74% 29.89 1011.7
17 08:51 S 7 10.00 Mostly Cloudy FEW023 SCT038 SCT060 BKN250 73 64 74% 29.91 1012.5
17 07:51 Calm 10.00 Mostly Cloudy BKN038 BKN250 70 63 79% 29.92 1012.8
17 06:51 S 5 10.00 Mostly Cloudy FEW100 BKN250 68 63 70 66 84% 29.9 1011.9
17 05:51 S 5 10.00 Mostly Cloudy BKN200 BKN250 66 62.1 87% 29.89 1011.6
17 04:51 S 7 10.00 Mostly Cloudy BKN200 66.9 62.1 84% 29.88 1011.5
17 03:51 S 7 10.00 Overcast OVC230 68 61 78% 29.88 1011.5
17 02:51 S 7 10.00 Overcast OVC230 69.1 61 76% 29.89 1011.6
17 01:51 SW 7 10.00 Overcast FEW180 OVC250 69.1 61 76% 29.89 1011.7
17 00:51 S 5 10.00 Overcast FEW190 OVC250 70 60.1 80.1 70 71% 29.89 1011.6
16 23:51 S 6 10.00 Overcast FEW190 OVC250 71.1 60.1 68% 29.9 1012.0
16 22:51 S 7 10.00 Overcast FEW190 OVC250 73 62.1 69% 29.88 1011.5
16 21:51 S 8 10.00 Overcast FEW190 OVC250 73.9 63 69% 29.88 1011.4
16 20:51 S 9 10.00 Mostly Cloudy FEW190 BKN250 75.9 63 64% 78 29.86 1010.7
16 19:51 S 6 10.00 Mostly Cloudy FEW060 BKN250 78.1 61 56% 80 29.82 1009.5
16 18:51 S 7 10.00 Mostly Cloudy FEW060 BKN250 80.1 62.1 84 78.1 54% 81 29.82 1009.2
16 17:51 S 9 10.00 Mostly Cloudy FEW060 BKN250 81 62.1 53% 82 29.82 1009.4
16 16:51 SW 9 10.00 Mostly Cloudy FEW060 BKN250 82 60.1 47% 82 29.84 1010.0
16 15:51 SW 9 10.00 Mostly Cloudy SCT060 BKN250 82.9 57.9 43% 83 29.84 1009.9
16 14:51 SW 13 10.00 Mostly Cloudy FEW060 BKN250 82 57 43% 82 29.86 1010.5
16 13:51 SW 9 10.00 Mostly Cloudy FEW042 BKN250 81 59 47% 81 29.88 1011.3
16 12:51 SW 14 G 20 10.00 Partly Cloudy FEW029 SCT250 78.1 57.9 79 63 50% 79 29.87 1011.2 0.04
16 11:51 SW 12 10.00 Partly Cloudy FEW021 FEW100 SCT250 75.9 60.1 58% 78 29.88 1011.6
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)