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. | ||||||||||||||||
| 30 | 01:51 | N 3 | 10.00 | A Few Clouds | FEW250 | 51.1 | 35.1 | 54% | 30.27 | 1025.0 | |||||||
| 30 | 00:51 | Calm | 10.00 | A Few Clouds | FEW250 | 50 | 35.1 | 61 | 50 | 57% | 30.26 | 1024.5 | |||||
| 29 | 23:51 | NW 7 | 10.00 | Fair | CLR | 52 | 35.1 | 53% | 30.25 | 1024.2 | |||||||
| 29 | 22:51 | NW 6 | 10.00 | Fair | CLR | 55.9 | 34 | 44% | 30.24 | 1024.1 | |||||||
| 29 | 21:51 | NW 7 | 10.00 | Fair | CLR | 55.9 | 36 | 47% | 30.22 | 1023.2 | |||||||
| 29 | 20:51 | W 5 | 10.00 | Fair | CLR | 57 | 37.9 | 49% | 30.2 | 1022.7 | |||||||
| 29 | 19:51 | W 3 | 10.00 | Fair | CLR | 59 | 37 | 44% | 30.19 | 1022.2 | |||||||
| 29 | 18:51 | NW 8 | 10.00 | Fair | CLR | 61 | 36 | 69.1 | 61 | 39% | 30.18 | 1021.8 | |||||
| 29 | 17:51 | NW 10 | 10.00 | A Few Clouds | FEW035 FEW250 | 64.9 | 37.9 | 37% | 30.15 | 1020.9 | |||||||
| 29 | 16:51 | NW 10 | 10.00 | A Few Clouds | FEW035 | 66.9 | 41 | 39% | 30.14 | 1020.2 | |||||||
| 29 | 15:51 | NW 7 | 10.00 | A Few Clouds | FEW037 FEW047 | 69.1 | 46.9 | 45% | 30.12 | 1019.5 | |||||||
| 29 | 14:51 | NW 10 | 10.00 | Partly Cloudy | FEW027 SCT038 SCT046 | 68 | 51.1 | 55% | 30.1 | 1019.0 | |||||||
| 29 | 13:51 | NW 9 | 10.00 | Overcast | BKN024 OVC038 | 66.9 | 55 | 66% | 30.1 | 1018.9 | |||||||
| 29 | 12:51 | W 8 | 10.00 | Overcast | BKN042 OVC110 | 66 | 54 | 66 | 62.1 | 65% | 30.09 | 1018.8 | |||||
| 29 | 11:51 | W 9 | 10.00 | Overcast | OVC036 | 66 | 53.1 | 63% | 30.09 | 1018.8 | |||||||
| 29 | 10:51 | W 10 | 10.00 | Mostly Cloudy | FEW048 SCT100 BKN250 | 66 | 52 | 61% | 30.08 | 1018.3 | |||||||
| 29 | 09:51 | SW 12 | 10.00 | Mostly Cloudy | FEW040 SCT110 BKN140 BKN250 | 64 | 51.1 | 63% | 30.07 | 1018.1 | |||||||
| 29 | 08:51 | SW 13 G 22 | 10.00 | Mostly Cloudy | FEW070 SCT120 BKN250 | 64 | 50 | 60% | 30.06 | 1017.5 | |||||||
| 29 | 07:51 | SW 9 | 10.00 | Mostly Cloudy | FEW065 FEW130 BKN250 | 62.1 | 48.9 | 62% | 30.04 | 1016.8 | |||||||
| 29 | 05:51 | SW 13 | 10.00 | Mostly Cloudy | FEW075 SCT150 BKN250 | 63 | 48.9 | 60% | 30.03 | 1016.7 | |||||||
| 29 | 04:51 | SW 10 G 21 | 10.00 | Mostly Cloudy | FEW075 BKN140 BKN250 | 64 | 48 | 56% | 30.04 | 1016.9 | |||||||
| 29 | 03:51 | SW 9 G 22 | 10.00 | Mostly Cloudy | BKN075 BKN140 | 64.9 | 48 | 54% | 30.04 | 1017.0 | |||||||
| 29 | 01:51 | SW 15 G 24 | 10.00 | Mostly Cloudy | SCT090 BKN140 | 68 | 46.9 | 47% | 30.06 | 1017.7 | |||||||
| 29 | 00:51 | SW 13 G 20 | 10.00 | Overcast | BKN090 OVC140 | 66.9 | 48 | 69.1 | 66.9 | 51% | 30.06 | 1017.7 | |||||
| 28 | 23:51 | S 13 G 25 | 10.00 | Mostly Cloudy | SCT090 BKN130 | 66.9 | 48 | 51% | 30.06 | 1017.5 | |||||||
| 28 | 22:51 | S 10 | 10.00 | Mostly Cloudy | BKN120 | 68 | 48 | 49% | 30.08 | 1018.4 | |||||||
| 28 | 21:51 | S 9 | 10.00 | Mostly Cloudy | BKN120 | 68 | 48 | 49% | 30.08 | 1018.4 | |||||||
| 28 | 20:51 | S 9 | 10.00 | Partly Cloudy | SCT100 | 68 | 50 | 53% | 30.08 | 1018.4 | |||||||
| 28 | 19:51 | S 10 | 10.00 | A Few Clouds | FEW095 | 69.1 | 50 | 51% | 30.09 | 1018.7 | |||||||
| 28 | 18:51 | S 7 | 10.00 | A Few Clouds | FEW095 | 69.1 | 50 | 75.9 | 69.1 | 51% | 30.1 | 1019.1 | |||||
| 28 | 17:51 | S 6 | 10.00 | A Few Clouds | FEW085 | 72 | 50 | 46% | 30.1 | 1019.0 | |||||||
| 28 | 16:51 | S 12 G 18 | 10.00 | A Few Clouds | FEW080 FEW250 | 75 | 50 | 42% | 78 | 30.1 | 1019.1 | ||||||
| 28 | 15:51 | S 14 G 22 | 10.00 | A Few Clouds | FEW250 | 75.9 | 50 | 40% | 78 | 30.11 | 1019.5 | ||||||
| 28 | 13:51 | S 12 G 20 | 10.00 | Fair | CLR | 73.9 | 50 | 43% | 30.14 | 1020.4 | |||||||
| 28 | 12:51 | S 8 | 10.00 | Fair | CLR | 73 | 50 | 73 | 55 | 44% | 30.16 | 1021.2 | |||||
| 28 | 11:51 | Vrbl 5 | 10.00 | Fair | CLR | 72 | 50 | 46% | 30.18 | 1021.9 | |||||||
| 28 | 10:51 | SW 8 | 10.00 | Fair | CLR | 68 | 48.9 | 51% | 30.2 | 1022.7 | |||||||
| 28 | 09:51 | S 7 | 10.00 | A Few Clouds | FEW085 | 64 | 48.9 | 58% | 30.22 | 1023.1 | |||||||
| 28 | 08:51 | S 5 | 10.00 | A Few Clouds | FEW085 | 59 | 48.9 | 69% | 30.22 | 1023.2 | |||||||
| 28 | 07:51 | S 3 | 10.00 | Mostly Cloudy | BKN090 | 57 | 48.9 | 74% | 30.21 | 1022.9 | |||||||
| 28 | 06:51 | S 3 | 10.00 | Mostly Cloudy | BKN095 | 55 | 48 | 60.1 | 55 | 77% | 30.2 | 1022.8 | |||||
| 28 | 05:51 | S 3 | 10.00 | A Few Clouds | FEW110 FEW200 | 55.9 | 46.9 | 72% | 30.2 | 1022.5 | |||||||
| 28 | 04:51 | S 5 | 10.00 | Partly Cloudy | FEW110 SCT180 | 57 | 46.9 | 69% | 30.19 | 1022.3 | |||||||
| 28 | 03:51 | S 3 | 10.00 | Mostly Cloudy | BKN110 BKN180 | 59 | 46.9 | 64% | 30.19 | 1022.3 | |||||||
| 28 | 02:51 | S 6 | 10.00 | Mostly Cloudy | BKN120 BKN180 | 59 | 46.9 | 64% | 30.19 | 1022.2 | |||||||
| 28 | 01:51 | S 6 | 10.00 | Mostly Cloudy | BKN150 BKN200 | 59 | 48 | 67% | 30.18 | 1021.9 | |||||||
| 28 | 00:51 | S 3 | 10.00 | Mostly Cloudy | FEW150 BKN190 BKN250 | 57.9 | 48 | 66 | 57 | 70% | 30.19 | 1022.0 | |||||
| 27 | 23:51 | S 6 | 10.00 | Partly Cloudy | SCT150 SCT250 | 57.9 | 48 | 70% | 30.19 | 1022.1 | |||||||
| 27 | 22:51 | S 5 | 10.00 | Partly Cloudy | FEW140 SCT250 | 59 | 50 | 72% | 30.19 | 1022.4 | |||||||
| 27 | 21:51 | S 5 | 10.00 | Mostly Cloudy | SCT140 BKN170 BKN250 | 62.1 | 48.9 | 62% | 30.19 | 1022.2 | |||||||
| 27 | 19:51 | S 5 | 10.00 | Overcast | BKN180 OVC250 | 64.9 | 51.1 | 61% | 30.19 | 1022.3 | |||||||
| 27 | 18:51 | SE 7 | 10.00 | Overcast | BKN170 OVC250 | 66 | 52 | 69.1 | 64.9 | 61% | 30.19 | 1022.2 | |||||
| 27 | 17:51 | SE 6 | 10.00 | Overcast | BKN170 OVC250 | 66 | 51.1 | 59% | 30.18 | 1021.8 | |||||||
| 27 | 16:51 | SE 5 | 10.00 | Overcast | SCT210 OVC250 | 66.9 | 52 | 59% | 30.18 | 1022.0 | |||||||
| 27 | 15:51 | S 7 | 10.00 | Mostly Cloudy | BKN250 | 68 | 51.1 | 55% | 30.18 | 1021.9 | |||||||
| 27 | 14:51 | S 7 | 10.00 | Mostly Cloudy | FEW210 BKN250 | 68 | 52 | 57% | 30.19 | 1022.1 | |||||||
| 27 | 13:51 | SE 8 | 10.00 | Mostly Cloudy | SCT210 BKN250 | 68 | 52 | 57% | 30.2 | 1022.5 | |||||||
| 27 | 12:51 | S 7 | 10.00 | Overcast | SCT180 OVC250 | 64.9 | 52 | 66 | 53.1 | 63% | 30.23 | 1023.8 | |||||
| 27 | 11:51 | S 5 | 8.00 | Overcast | BKN180 OVC250 | 62.1 | 51.1 | 67% | 30.25 | 1024.5 | |||||||
| 27 | 10:51 | S 7 | 8.00 | Mostly Cloudy | FEW210 BKN250 | 60.1 | 51.1 | 72% | 30.26 | 1024.7 | |||||||
| 27 | 09:51 | SE 7 | 8.00 | Mostly Cloudy | FEW210 BKN250 | 57 | 51.1 | 81% | 30.27 | 1025.1 | |||||||
| 27 | 08:51 | SE 10 | 7.00 | Mostly Cloudy | BKN250 | 55.9 | 51.1 | 84% | 30.27 | 1025.0 | |||||||
| 27 | 07:51 | SE 7 | 6.00 | Fog/Mist | FEW220 BKN250 | 55 | 51.1 | 87% | 30.27 | 1025.0 | |||||||
| 27 | 06:51 | SE 3 | 10.00 | Mostly Cloudy | FEW150 BKN250 | 53.1 | 50 | 55.9 | 53.1 | 89% | 30.26 | 1024.9 | |||||
| 27 | 05:51 | E 5 | 10.00 | Mostly Cloudy | FEW150 BKN250 | 53.1 | 50 | 89% | 30.26 | 1024.7 | |||||||
| 27 | 04:51 | E 6 | 10.00 | Mostly Cloudy | FEW150 BKN250 | 54 | 48.9 | 83% | 30.26 | 1024.7 | |||||||
| 27 | 03:51 | NE 5 | 10.00 | Mostly Cloudy | FEW150 BKN250 | 55 | 48.9 | 80% | 30.26 | 1024.7 | |||||||
| 27 | 02:51 | NE 7 | 10.00 | Mostly Cloudy | FEW140 SCT200 BKN250 | 55.9 | 50 | 81% | 30.26 | 1024.7 | |||||||
| 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) | |||||||||||||||