Weather observations for the past three days for
Chicago, Chicago-O'Hare International Airport
| 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 | 04:51 | N 12 | 10.00 | Mostly Cloudy | BKN033 BKN250 | 53.1 | 42.1 | 66% | 30.18 | 1021.9 | |||||||
| 20 | 03:51 | N 14 G 21 | 10.00 | Mostly Cloudy | FEW027 BKN034 | 54 | 42.1 | 64% | 30.17 | 1021.6 | |||||||
| 20 | 02:51 | N 12 | 10.00 | Mostly Cloudy | SCT027 BKN034 BKN110 | 55 | 43 | 64% | 30.15 | 1020.6 | |||||||
| 20 | 01:51 | N 14 | 10.00 | Mostly Cloudy | BKN027 BKN110 | 57.9 | 45 | 62% | 30.12 | 1019.7 | |||||||
| 20 | 00:51 | NW 10 | 10.00 | Mostly Cloudy | FEW037 BKN110 BKN250 | 60.1 | 48.9 | 68 | 60.1 | 67% | 30.13 | 1019.9 | |||||
| 19 | 22:51 | W 6 | 10.00 | Mostly Cloudy | FEW034 BKN110 BKN250 | 62.1 | 50 | 65% | 30.11 | 1019.4 | |||||||
| 19 | 21:51 | W 8 | 10.00 | Overcast | SCT032 BKN095 OVC250 | 63 | 50 | 63% | 30.1 | 1018.8 | |||||||
| 19 | 20:51 | W 13 | 10.00 | Mostly Cloudy | FEW033 BKN090 BKN250 | 64 | 52 | 65% | 30.04 | 1016.9 | |||||||
| 19 | 19:51 | W 10 | 10.00 | Mostly Cloudy | SCT033 BKN250 | 66 | 53.1 | 63% | 30.01 | 1015.9 | |||||||
| 19 | 18:51 | W 14 G 24 | 10.00 | Mostly Cloudy | SCT029 BKN065 BKN250 | 68 | 55 | 79 | 68 | 63% | 29.98 | 1014.9 | |||||
| 19 | 17:51 | W 17 G 28 | 10.00 | Mostly Cloudy | BKN029 BKN065 | 70 | 59 | 68% | 29.97 | 1014.6 | |||||||
| 19 | 16:51 | SW 20 G 33 | 10.00 | Overcast | BKN035 OVC055 | 72 | 60.1 | 66% | 29.95 | 1013.8 | |||||||
| 19 | 15:51 | W 18 G 29 | 10.00 | Overcast | BKN036 OVC047 | 73.9 | 62.1 | 67% | 29.94 | 1013.6 | |||||||
| 19 | 14:51 | W 14 G 26 | 10.00 | Mostly Cloudy | BKN036 BKN050 BKN250 | 78.1 | 63 | 60% | 80 | 29.93 | 1012.9 | ||||||
| 19 | 13:51 | SW 16 G 30 | 10.00 | Overcast | BKN036 OVC048 | 77 | 63 | 62% | 79 | 29.91 | 1012.6 | ||||||
| 19 | 12:51 | SW 22 G 32 | 10.00 | Overcast and Breezy | BKN038 OVC250 | 78.1 | 61 | 79 | 69.1 | 56% | 80 | 29.9 | 1012.1 | ||||
| 19 | 11:51 | SW 9 G 24 | 10.00 | Mostly Cloudy | BKN033 BKN250 | 77 | 63 | 62% | 79 | 29.9 | 1012.1 | ||||||
| 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 | |||||||
| 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) | |||||||||||||||