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. | ||||||||||||||||
| 11 | 07:51 | Calm | 10.00 | A Few Clouds | FEW250 | 55.9 | 51.1 | 84% | 30.02 | 1016.3 | |||||||
| 11 | 06:51 | Calm | 10.00 | A Few Clouds | FEW250 | 55.9 | 51.1 | 63 | 55 | 84% | 30.02 | 1016.3 | |||||
| 11 | 05:51 | Calm | 10.00 | A Few Clouds | FEW250 | 57 | 51.1 | 81% | 30.02 | 1016.3 | |||||||
| 11 | 04:51 | Calm | 10.00 | A Few Clouds | FEW250 | 59 | 50 | 72% | 30.02 | 1016.2 | |||||||
| 11 | 03:51 | SE 5 | 10.00 | Partly Cloudy | SCT250 | 57.9 | 48.9 | 72% | 30.02 | 1016.1 | |||||||
| 11 | 02:51 | S 3 | 10.00 | Partly Cloudy | SCT250 | 59 | 48 | 67% | 30.02 | 1016.2 | |||||||
| 11 | 01:51 | Calm | 10.00 | Mostly Cloudy | BKN250 | 62.1 | 48 | 60% | 30.03 | 1016.6 | |||||||
| 11 | 00:51 | S 5 | 10.00 | Mostly Cloudy | BKN250 | 63 | 48 | 73 | 63 | 58% | 30.04 | 1016.7 | |||||
| 10 | 23:51 | SE 9 | 10.00 | Partly Cloudy | SCT250 | 64 | 48 | 56% | 30.03 | 1016.7 | |||||||
| 10 | 22:51 | S 9 | 10.00 | Partly Cloudy | SCT250 | 64.9 | 46.9 | 52% | 30.05 | 1017.1 | |||||||
| 10 | 21:51 | SE 10 | 10.00 | Partly Cloudy | SCT250 | 66.9 | 46.9 | 49% | 30.06 | 1017.5 | |||||||
| 10 | 20:51 | SE 10 | 10.00 | Partly Cloudy | SCT250 | 69.1 | 48 | 47% | 30.06 | 1017.6 | |||||||
| 10 | 19:51 | S 12 | 10.00 | Mostly Cloudy | BKN250 | 70 | 48 | 46% | 30.06 | 1017.5 | |||||||
| 10 | 18:51 | SE 14 | 10.00 | Mostly Cloudy | BKN250 | 73 | 46.9 | 80.1 | 73 | 40% | 30.05 | 1017.2 | |||||
| 10 | 17:51 | S 12 | 10.00 | Mostly Cloudy | BKN250 | 75 | 48 | 39% | 77 | 30.04 | 1016.9 | ||||||
| 10 | 16:51 | S 9 | 10.00 | Mostly Cloudy | BKN250 | 77 | 46 | 33% | 78 | 30.04 | 1016.8 | ||||||
| 10 | 15:51 | S 12 G 18 | 10.00 | Mostly Cloudy | BKN250 | 80.1 | 46 | 30% | 79 | 30.04 | 1016.9 | ||||||
| 10 | 14:51 | S 15 G 25 | 10.00 | Mostly Cloudy | BKN250 | 80.1 | 46.9 | 31% | 79 | 30.05 | 1017.3 | ||||||
| 10 | 13:51 | S 15 G 22 | 10.00 | Mostly Cloudy | BKN250 | 80.1 | 48 | 33% | 79 | 30.07 | 1017.9 | ||||||
| 10 | 12:51 | S 14 G 24 | 10.00 | Mostly Cloudy | BKN250 | 79 | 48.9 | 79 | 62.1 | 35% | 79 | 30.09 | 1018.6 | ||||
| 10 | 11:51 | S 12 G 21 | 10.00 | Mostly Cloudy | BKN250 | 77 | 50 | 39% | 78 | 30.1 | 1018.9 | ||||||
| 10 | 10:51 | S 14 | 10.00 | Partly Cloudy | SCT250 | 73.9 | 48.9 | 41% | 30.11 | 1019.2 | |||||||
| 10 | 09:51 | S 12 | 10.00 | Partly Cloudy | SCT250 | 70 | 48.9 | 47% | 30.12 | 1019.6 | |||||||
| 10 | 08:51 | S 12 | 10.00 | Partly Cloudy | SCT250 | 64 | 48.9 | 58% | 30.11 | 1019.3 | |||||||
| 10 | 07:51 | S 10 | 10.00 | A Few Clouds | FEW250 | 62.1 | 48 | 60% | 30.09 | 1018.7 | |||||||
| 10 | 06:51 | S 9 | 10.00 | A Few Clouds | FEW250 | 62.1 | 48 | 64.9 | 62.1 | 60% | 30.08 | 1018.3 | |||||
| 10 | 05:51 | S 8 | 10.00 | Fair | CLR | 63 | 48 | 58% | 30.07 | 1018.1 | |||||||
| 10 | 04:51 | S 7 | 10.00 | Fair | CLR | 63 | 48 | 58% | 30.06 | 1017.8 | |||||||
| 10 | 03:51 | S 6 | 10.00 | A Few Clouds | FEW070 | 64 | 48 | 56% | 30.06 | 1017.5 | |||||||
| 10 | 02:51 | S 7 | 10.00 | Partly Cloudy | SCT070 | 64 | 48 | 56% | 30.06 | 1017.7 | |||||||
| 10 | 01:51 | S 7 | 10.00 | Partly Cloudy | SCT075 | 64 | 48.9 | 58% | 30.06 | 1017.8 | |||||||
| 10 | 00:51 | S 9 | 10.00 | Partly Cloudy | FEW085 SCT100 | 64.9 | 48.9 | 66.9 | 64 | 56% | 30.06 | 1017.7 | |||||
| 09 | 23:51 | SE 8 | 10.00 | Mostly Cloudy | SCT080 BKN100 | 66 | 50 | 56% | 30.06 | 1017.6 | |||||||
| 09 | 22:51 | SE 6 | 10.00 | Mostly Cloudy | SCT080 BKN110 | 64.9 | 53.1 | 66% | 30.06 | 1017.8 | |||||||
| 09 | 21:51 | E 6 | 10.00 | Mostly Cloudy | SCT080 BKN110 | 66 | 52 | 61% | 30.07 | 1018.0 | |||||||
| 09 | 20:51 | E 6 | 10.00 | Mostly Cloudy | BKN065 BKN095 | 66 | 53.1 | 63% | 30.07 | 1018.1 | |||||||
| 09 | 19:51 | SE 7 | 10.00 | Mostly Cloudy | SCT065 BKN085 BKN120 | 66 | 52 | 61% | 30.06 | 1017.7 | |||||||
| 09 | 18:51 | SE 13 | 10.00 | Mostly Cloudy | BKN070 BKN120 BKN250 | 66.9 | 50 | 71.1 | 66.9 | 55% | 30.06 | 1017.8 | |||||
| 09 | 17:51 | E 8 | 10.00 | Mostly Cloudy | SCT085 BKN110 BKN250 | 66.9 | 52 | 59% | 30.06 | 1017.9 | |||||||
| 09 | 16:51 | SE 6 | 10.00 | Partly Cloudy | FEW080 FEW110 SCT250 | 71.1 | 52 | 51% | 30.07 | 1018.2 | |||||||
| 09 | 15:51 | N 6 | 10.00 | Mostly Cloudy | FEW080 BKN110 BKN250 | 71.1 | 52 | 51% | 30.09 | 1018.7 | |||||||
| 09 | 14:51 | N 5 | 10.00 | Overcast | FEW080 SCT120 BKN140 OVC250 | 69.1 | 51.1 | 53% | 30.1 | 1019.0 | |||||||
| 09 | 13:51 | SW 3 | 10.00 | Mostly Cloudy | FEW070 SCT130 BKN180 BKN250 | 68 | 50 | 53% | 30.11 | 1019.4 | |||||||
| 09 | 12:51 | SW 5 | 10.00 | Mostly Cloudy | FEW075 FEW100 BKN250 | 68 | 48 | 68 | 57.9 | 49% | 30.13 | 1020.1 | |||||
| 09 | 11:51 | SE 8 | 10.00 | Mostly Cloudy | FEW100 BKN230 | 66.9 | 45 | 45% | 30.14 | 1020.5 | |||||||
| 09 | 10:51 | SE 3 | 10.00 | Overcast | FEW080 BKN180 OVC250 | 63 | 43 | 48% | 30.16 | 1021.1 | |||||||
| 09 | 09:51 | SE 7 | 10.00 | Overcast | FEW080 SCT100 OVC210 | 62.1 | 42.1 | 48% | 30.15 | 1020.9 | |||||||
| 09 | 08:51 | SE 6 | 10.00 | Overcast | BKN080 OVC100 | 60.1 | 42.1 | 52% | 30.15 | 1020.8 | |||||||
| 09 | 07:51 | S 5 | 10.00 | Overcast | BKN080 OVC250 | 59 | 41 | 51% | 30.14 | 1020.7 | |||||||
| 09 | 06:51 | SE 7 | 10.00 | Overcast | BKN090 OVC250 | 57.9 | 42.1 | 59 | 55.9 | 56% | 30.13 | 1020.1 | |||||
| 09 | 05:51 | SE 5 | 10.00 | Overcast | BKN110 OVC250 | 57.9 | 43 | 58% | 30.12 | 1019.7 | |||||||
| 09 | 04:51 | SE 3 | 10.00 | Mostly Cloudy | BKN120 | 57 | 43 | 60% | 30.11 | 1019.3 | |||||||
| 09 | 03:51 | Calm | 10.00 | Overcast | OVC110 | 59 | 44.1 | 58% | 30.1 | 1018.9 | |||||||
| 09 | 02:51 | S 3 | 10.00 | Overcast | BKN100 OVC250 | 57.9 | 43 | 58% | 30.1 | 1019.0 | |||||||
| 09 | 01:51 | Calm | 10.00 | Overcast | BKN100 OVC250 | 57.9 | 44.1 | 60% | 30.11 | 1019.5 | |||||||
| 09 | 00:51 | S 3 | 10.00 | Mostly Cloudy | BKN100 BKN250 | 57 | 45 | 64.9 | 57 | 64% | 30.1 | 1019.1 | |||||
| 08 | 23:51 | Calm | 10.00 | Partly Cloudy | SCT100 SCT200 | 57.9 | 45 | 62% | 30.11 | 1019.4 | |||||||
| 08 | 22:51 | S 5 | 10.00 | Partly Cloudy | SCT140 SCT200 | 57.9 | 46 | 65% | 30.1 | 1019.2 | |||||||
| 08 | 21:51 | S 3 | 10.00 | Mostly Cloudy | BKN140 BKN180 | 60.1 | 46 | 60% | 30.09 | 1018.9 | |||||||
| 08 | 20:51 | Calm | 10.00 | Partly Cloudy | FEW100 FEW180 SCT250 | 61 | 46 | 58% | 30.1 | 1019.1 | |||||||
| 08 | 19:51 | E 5 | 10.00 | A Few Clouds | FEW150 FEW250 | 62.1 | 46 | 56% | 30.08 | 1018.5 | |||||||
| 08 | 18:51 | N 5 | 10.00 | Partly Cloudy | FEW100 FEW150 SCT250 | 64.9 | 37 | 73 | 64.9 | 36% | 30.06 | 1017.9 | |||||
| 08 | 17:51 | N 7 | 10.00 | Partly Cloudy | FEW100 SCT250 | 68 | 37 | 32% | 30.06 | 1017.7 | |||||||
| 08 | 16:51 | NW 8 | 10.00 | Partly Cloudy | FEW150 SCT250 | 71.1 | 35.1 | 27% | 30.05 | 1017.4 | |||||||
| 08 | 15:51 | W 7 | 10.00 | Partly Cloudy | FEW250 SCT300 | 72 | 35.1 | 26% | 30.05 | 1017.4 | |||||||
| 08 | 14:51 | NW 12 | 10.00 | A Few Clouds | FEW250 FEW300 | 72 | 37 | 28% | 30.05 | 1017.2 | |||||||
| 08 | 13:51 | W 9 | 10.00 | Partly Cloudy | FEW250 SCT300 | 71.1 | 37.9 | 30% | 30.06 | 1017.7 | |||||||
| 08 | 12:51 | W 10 | 10.00 | Partly Cloudy | SCT300 | 70 | 37 | 71.1 | 53.1 | 30% | 30.08 | 1018.4 | |||||
| 08 | 11:51 | SW 8 | 10.00 | Mostly Cloudy | BKN300 | 69.1 | 37.9 | 32% | 30.09 | 1018.5 | |||||||
| 08 | 10:51 | W 7 | 10.00 | Mostly Cloudy | FEW250 BKN300 | 66.9 | 39 | 36% | 30.09 | 1018.6 | |||||||
| 08 | 09:51 | NW 6 | 10.00 | Mostly Cloudy | BKN250 | 64 | 41 | 43% | 30.08 | 1018.6 | |||||||
| 08 | 08:51 | W 5 | 10.00 | Mostly Cloudy | FEW110 BKN250 | 60.1 | 43 | 53% | 30.07 | 1018.1 | |||||||
| 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) | |||||||||||||||