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 | 12:51 | N 14 | 10.00 | A Few Clouds | FEW046 FEW250 | 77 | 57 | 78.1 | 64 | 50% | 79 | 30.06 | 1017.3 | ||||
| 20 | 11:51 | N 15 | 10.00 | A Few Clouds | FEW050 | 77 | 55 | 47% | 78 | 30.07 | 1017.6 | ||||||
| 20 | 10:51 | N 14 G 20 | 10.00 | A Few Clouds | FEW050 | 75 | 55.9 | 52% | 78 | 30.06 | 1017.6 | ||||||
| 20 | 09:51 | N 10 | 10.00 | Fair | CLR | 73 | 57 | 57% | 30.05 | 1017.1 | |||||||
| 20 | 08:51 | N 8 | 10.00 | Fair | CLR | 71.1 | 57 | 61% | 30.03 | 1016.6 | |||||||
| 20 | 07:51 | N 7 | 10.00 | Fair | CLR | 66.9 | 57 | 71% | 30.02 | 1016.2 | |||||||
| 20 | 06:51 | N 7 | 10.00 | A Few Clouds | FEW055 | 64 | 55.9 | 70 | 62.1 | 75% | 30 | 1015.7 | |||||
| 20 | 05:51 | N 7 | 10.00 | A Few Clouds | FEW250 | 62.1 | 55.9 | 80% | 29.99 | 1015.0 | |||||||
| 20 | 04:51 | N 8 | 10.00 | A Few Clouds | FEW250 | 63 | 57 | 81% | 29.97 | 1014.5 | |||||||
| 20 | 03:51 | N 3 | 10.00 | Mostly Cloudy | SCT060 BKN250 | 64.9 | 57 | 76% | 29.98 | 1014.7 | |||||||
| 20 | 02:51 | N 6 | 10.00 | Mostly Cloudy | SCT055 BKN250 | 66.9 | 57 | 71% | 29.96 | 1014.1 | |||||||
| 20 | 01:51 | N 8 | 10.00 | Mostly Cloudy | BKN250 | 68 | 55.9 | 65% | 29.95 | 1013.8 | |||||||
| 20 | 00:51 | N 7 | 10.00 | Mostly Cloudy | BKN250 | 70 | 55.9 | 73 | 69.1 | 61% | 29.97 | 1014.4 | |||||
| 19 | 23:51 | NE 8 | 10.00 | Mostly Cloudy | BKN250 | 71.1 | 55 | 57% | 29.97 | 1014.4 | |||||||
| 19 | 22:51 | NE 8 | 10.00 | Mostly Cloudy | BKN250 | 72 | 57 | 59% | 29.96 | 1014.2 | |||||||
| 19 | 21:51 | E 8 | 10.00 | Mostly Cloudy | BKN250 | 72 | 57 | 59% | 29.96 | 1014.1 | |||||||
| 19 | 20:51 | NE 7 | 10.00 | Overcast | OVC250 | 72 | 59 | 64% | 29.95 | 1013.7 | |||||||
| 19 | 19:51 | NE 12 | 10.00 | Overcast | FEW030 OVC250 | 72 | 63 | 73% | 29.94 | 1013.4 | |||||||
| 19 | 18:51 | NE 13 | 10.00 | Overcast | FEW035 FEW100 OVC250 | 73 | 62.1 | 80.1 | 73 | 69% | 29.92 | 1012.7 | |||||
| 19 | 17:51 | NE 12 | 10.00 | Mostly Cloudy | FEW035 FEW100 BKN250 | 75 | 64 | 69% | 77 | 29.93 | 1013.2 | ||||||
| 19 | 16:51 | NE 13 | 10.00 | Mostly Cloudy | FEW035 BKN250 | 75.9 | 64 | 67% | 78 | 29.92 | 1012.9 | ||||||
| 19 | 15:51 | E 10 | 10.00 | Mostly Cloudy | FEW035 BKN250 | 78.1 | 64 | 62% | 80 | 29.93 | 1013.0 | ||||||
| 19 | 14:51 | NE 14 G 20 | 10.00 | Mostly Cloudy | SCT035 BKN250 | 79 | 64.9 | 62% | 81 | 29.93 | 1013.0 | ||||||
| 19 | 13:51 | NE 8 | 10.00 | Mostly Cloudy | SCT032 BKN250 | 79 | 66 | 65% | 81 | 29.93 | 1013.2 | ||||||
| 19 | 12:51 | Vrbl 6 | 10.00 | Partly Cloudy | SCT030 SCT250 | 79 | 66 | 79 | 66.9 | 65% | 81 | 29.94 | 1013.4 | ||||
| 19 | 11:51 | Vrbl 3 | 10.00 | Partly Cloudy | FEW020 FEW080 SCT250 | 77 | 66 | 69% | 79 | 29.96 | 1014.1 | ||||||
| 19 | 10:51 | Calm | 10.00 | Mostly Cloudy | FEW016 BKN070 BKN085 BKN250 | 75 | 66 | 74% | 76 | 29.95 | 1013.9 | ||||||
| 19 | 09:51 | N 8 | 10.00 | Partly Cloudy | FEW012 FEW080 SCT250 | 72 | 66 | 82% | 29.94 | 1013.5 | |||||||
| 19 | 08:51 | NE 6 | 10.00 | Mostly Cloudy | FEW012 SCT080 BKN250 | 70 | 64 | 82% | 29.94 | 1013.4 | |||||||
| 19 | 07:51 | NE 8 | 10.00 | Mostly Cloudy | FEW085 FEW150 BKN250 | 69.1 | 63 | 81% | 29.94 | 1013.4 | |||||||
| 19 | 06:51 | Calm | 10.00 | Mostly Cloudy | FEW150 BKN250 | 66.9 | 64 | 66.9 | 64.9 | 91% | 29.94 | 1013.3 | |||||
| 19 | 05:51 | NW 3 | 10.00 | Partly Cloudy | SCT250 | 66 | 64 | 93% | 29.91 | 1012.5 | |||||||
| 19 | 04:51 | Calm | 10.00 | Partly Cloudy | SCT250 | 66 | 64.9 | 96% | 29.91 | 1012.5 | |||||||
| 19 | 03:51 | Calm | 10.00 | Mostly Cloudy | BKN250 | 66 | 64.9 | 96% | 29.92 | 1012.7 | |||||||
| 19 | 02:51 | NW 3 | 10.00 | Partly Cloudy | SCT250 | 66 | 64.9 | 96% | 29.93 | 1012.9 | |||||||
| 19 | 01:51 | SW 6 | 10.00 | Fair | CLR | 66.9 | 64.9 | 93% | 29.91 | 1012.3 | |||||||
| 19 | 00:51 | SW 5 | 10.00 | A Few Clouds | FEW130 | 66.9 | 64.9 | 75.9 | 66.9 | 93% | 29.9 | 1011.9 | 0.13 | ||||
| 18 | 23:51 | SW 3 | 10.00 | A Few Clouds | FEW110 | 66.9 | 66 | 97% | 29.91 | 1012.2 | |||||||
| 18 | 22:51 | SW 6 | 10.00 | Partly Cloudy | FEW080 SCT110 | 66.9 | 66 | 97% | 29.91 | 1012.3 | 0.13 | ||||||
| 18 | 21:51 | NW 23 G 33 | 3.00 | Thunderstorm Light Rain Fog/Mist and Breezy | BKN040CB BKN060 BKN085 OVC130 | 73 | 66.9 | 81% | 29.94 | 1013.4 | |||||||
| 18 | 20:51 | SW 6 | 10.00 | Mostly Cloudy | FEW035 SCT070 BKN120 BKN250 | 75.9 | 66.9 | 74% | 77 | 29.91 | 1012.5 | ||||||
| 18 | 19:51 | SW 7 | 10.00 | Mostly Cloudy | FEW037 FEW075 BKN110 BKN250 | 75.9 | 66.9 | 74% | 77 | 29.9 | 1011.9 | ||||||
| 18 | 18:51 | SW 8 | 10.00 | Mostly Cloudy | FEW037 SCT085 BKN130 BKN250 | 75.9 | 64.9 | 79 | 75.9 | 69% | 78 | 29.91 | 1012.4 | ||||
| 18 | 17:51 | SW 10 | 10.00 | Mostly Cloudy | FEW037 BKN100 BKN250 | 77 | 66 | 69% | 79 | 29.92 | 1012.7 | ||||||
| 18 | 16:51 | SW 8 | 10.00 | Overcast | FEW037 BKN100 OVC250 | 77 | 66 | 69% | 79 | 29.93 | 1013.0 | ||||||
| 18 | 15:51 | SW 10 | 10.00 | Overcast | SCT031 BKN130 OVC250 | 78.1 | 66 | 67% | 80 | 29.93 | 1013.2 | ||||||
| 18 | 14:51 | SW 14 G 20 | 10.00 | Overcast | FEW040 BKN130 OVC250 | 79 | 64.9 | 62% | 81 | 29.95 | 1013.9 | ||||||
| 18 | 13:51 | W 8 | 10.00 | Overcast | FEW040 BKN130 OVC250 | 78.1 | 64.9 | 64% | 80 | 29.97 | 1014.4 | ||||||
| 18 | 12:51 | SW 12 | 10.00 | Overcast | FEW045 FEW120 BKN150 OVC250 | 79 | 63 | 81 | 66.9 | 58% | 81 | 29.98 | 1014.6 | ||||
| 18 | 11:51 | SW 10 G 20 | 10.00 | Mostly Cloudy | FEW150 BKN250 | 79 | 62.1 | 56% | 80 | 29.98 | 1014.9 | ||||||
| 18 | 10:51 | SW 10 | 10.00 | Mostly Cloudy | SCT150 BKN220 BKN250 | 77 | 62.1 | 60% | 79 | 30.01 | 1015.6 | ||||||
| 18 | 09:51 | SW 7 | 10.00 | Mostly Cloudy | FEW120 BKN250 | 73 | 63 | 71% | 29.99 | 1015.3 | |||||||
| 18 | 08:51 | SW 6 | 10.00 | Mostly Cloudy | FEW110 BKN250 | 71.1 | 63 | 76% | 30 | 1015.6 | |||||||
| 18 | 07:51 | SW 7 | 10.00 | Mostly Cloudy | FEW110 FEW200 BKN300 | 70 | 62.1 | 76% | 30.01 | 1015.7 | |||||||
| 18 | 06:51 | SW 3 | 10.00 | Mostly Cloudy | FEW200 BKN300 | 66.9 | 62.1 | 69.1 | 66 | 84% | 30.01 | 1015.9 | |||||
| 18 | 05:51 | SW 6 | 10.00 | Partly Cloudy | FEW070 SCT300 | 66 | 62.1 | 87% | 30.01 | 1015.6 | |||||||
| 18 | 04:51 | SW 8 | 10.00 | Partly Cloudy | SCT300 | 66.9 | 62.1 | 84% | 30.01 | 1015.8 | |||||||
| 18 | 03:51 | SW 7 | 10.00 | Fair | CLR | 66.9 | 62.1 | 84% | 30 | 1015.4 | |||||||
| 18 | 02:51 | SW 7 | 10.00 | Partly Cloudy | SCT300 | 68 | 62.1 | 81% | 30 | 1015.5 | |||||||
| 18 | 01:51 | SW 7 | 10.00 | Partly Cloudy | SCT300 | 69.1 | 61 | 76% | 30.01 | 1015.8 | |||||||
| 18 | 00:51 | SW 7 | 10.00 | A Few Clouds | FEW250 | 68 | 59 | 77 | 68 | 73% | 30.02 | 1016.3 | |||||
| 17 | 23:51 | SW 6 | 10.00 | Fair | CLR | 70 | 57.9 | 66% | 30.01 | 1015.8 | |||||||
| 17 | 22:51 | S 6 | 10.00 | Fair | CLR | 70 | 57.9 | 66% | 30.01 | 1015.9 | |||||||
| 17 | 21:51 | S 7 | 10.00 | Fair | CLR | 71.1 | 57 | 61% | 30 | 1015.5 | |||||||
| 17 | 20:51 | S 7 | 10.00 | Partly Cloudy | SCT250 | 72 | 55.9 | 57% | 30 | 1015.4 | |||||||
| 17 | 19:51 | SE 3 | 10.00 | Mostly Cloudy | FEW045 BKN250 | 75 | 59 | 58% | 77 | 29.99 | 1015.0 | ||||||
| 17 | 18:51 | E 3 | 10.00 | Partly Cloudy | FEW045 FEW065 SCT250 | 77 | 60.1 | 80.1 | 73.9 | 56% | 79 | 29.99 | 1014.9 | ||||
| 17 | 17:51 | NW 7 | 10.00 | Partly Cloudy | SCT045 SCT065 | 79 | 57.9 | 49% | 80 | 30 | 1015.4 | ||||||
| 17 | 16:51 | N 6 | 10.00 | Mostly Cloudy | SCT045 BKN065 | 78.1 | 61 | 56% | 80 | 30 | 1015.5 | ||||||
| 17 | 15:51 | NE 8 | 10.00 | Mostly Cloudy | SCT042 BKN065 | 78.1 | 62.1 | 58% | 80 | 30.01 | 1015.8 | ||||||
| 17 | 14:51 | N 10 | 10.00 | Mostly Cloudy | SCT035 BKN065 BKN250 | 77 | 62.1 | 60% | 79 | 30.02 | 1016.2 | ||||||
| 17 | 13:51 | NE 7 | 10.00 | Mostly Cloudy | SCT038 BKN065 | 77 | 63 | 62% | 79 | 30.02 | 1016.3 | ||||||
| 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) | |||||||||||||||