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. | ||||||||||||||||
| 12 | 12:51 | SW 21 G 39 | 10.00 | Mostly Cloudy and Breezy | FEW050 BKN060 BKN140 | 78.1 | 57 | 78.1 | 60.1 | 48% | 79 | 29.89 | 1012.0 | ||||
| 12 | 11:51 | SW 20 G 38 | 10.00 | Mostly Cloudy | FEW070 FEW140 BKN250 | 77 | 55.9 | 48% | 79 | 29.92 | 1012.7 | ||||||
| 12 | 10:51 | S 18 G 26 | 10.00 | Mostly Cloudy | BKN120 BKN250 | 72 | 57 | 59% | 29.94 | 1013.7 | |||||||
| 12 | 09:51 | S 17 G 35 | 10.00 | Mostly Cloudy | SCT120 BKN250 | 69.1 | 55 | 61% | 29.95 | 1014.3 | |||||||
| 12 | 08:51 | S 15 G 25 | 10.00 | Overcast | SCT060 BKN140 OVC250 | 64.9 | 53.1 | 66% | 29.98 | 1015.2 | |||||||
| 12 | 07:51 | S 12 G 26 | 10.00 | Mostly Cloudy | FEW070 SCT110 BKN250 | 62.1 | 52 | 70% | 29.99 | 1015.7 | |||||||
| 12 | 06:51 | S 15 | 10.00 | Mostly Cloudy | SCT110 BKN250 | 60.1 | 51.1 | 60.1 | 55.9 | 72% | 30 | 1015.8 | |||||
| 12 | 05:51 | S 13 G 24 | 10.00 | Mostly Cloudy | FEW120 BKN250 | 59 | 48.9 | 69% | 29.99 | 1015.7 | |||||||
| 12 | 04:51 | S 14 G 25 | 10.00 | Overcast | FEW120 BKN130 OVC250 | 60.1 | 48 | 65% | 30.02 | 1016.5 | |||||||
| 12 | 03:51 | S 12 | 10.00 | Overcast | SCT120 BKN140 OVC250 | 57.9 | 43 | 58% | 30.04 | 1017.2 | |||||||
| 12 | 02:51 | S 9 | 10.00 | Mostly Cloudy | SCT110 BKN250 | 57 | 41 | 55% | 30.06 | 1018.1 | |||||||
| 12 | 01:51 | S 9 | 10.00 | Overcast | FEW110 SCT130 OVC250 | 55.9 | 39.9 | 55% | 30.09 | 1019.1 | |||||||
| 12 | 00:51 | SE 9 | 10.00 | Overcast | BKN100 OVC130 | 55.9 | 41 | 55.9 | 48 | 57% | 30.12 | 1019.9 | |||||
| 11 | 23:51 | SE 9 | 10.00 | Overcast | BKN085 OVC110 | 53.1 | 41 | 64% | 30.14 | 1020.8 | |||||||
| 11 | 22:51 | SE 7 | 10.00 | Overcast | SCT049 OVC090 | 52 | 39 | 61% | 30.16 | 1021.6 | |||||||
| 11 | 21:51 | SE 5 | 10.00 | Overcast | FEW055 BKN070 OVC095 | 48.9 | 36 | 61% | 48 | 30.18 | 1022.2 | ||||||
| 11 | 20:51 | E 7 | 10.00 | Overcast | SCT055 BKN070 OVC090 | 48 | 33.1 | 56% | 45 | 30.2 | 1023.0 | ||||||
| 11 | 19:51 | E 8 | 10.00 | Overcast | BKN055 BKN140 OVC250 | 48.9 | 32 | 52% | 46 | 30.23 | 1023.9 | ||||||
| 11 | 18:51 | E 10 | 10.00 | Overcast | BKN070 BKN120 BKN180 OVC250 | 51.1 | 34 | 55 | 51.1 | 52% | 30.24 | 1024.3 | |||||
| 11 | 17:51 | E 9 | 10.00 | Overcast | BKN110 BKN180 OVC250 | 53.1 | 35.1 | 51% | 30.27 | 1025.5 | |||||||
| 11 | 16:51 | SE 8 | 10.00 | Overcast | SCT110 BKN210 OVC250 | 54 | 37 | 53% | 30.29 | 1026.2 | |||||||
| 11 | 15:51 | SE 9 | 10.00 | Overcast | FEW110 OVC250 | 55 | 37 | 51% | 30.3 | 1026.4 | |||||||
| 11 | 14:51 | SE 6 | 10.00 | Overcast | SCT110 OVC250 | 54 | 37 | 53% | 30.33 | 1027.4 | |||||||
| 11 | 13:51 | E 13 | 10.00 | Mostly Cloudy | BKN100 BKN250 | 54 | 36 | 51% | 30.36 | 1028.4 | |||||||
| 11 | 12:51 | E 12 | 10.00 | Mostly Cloudy | FEW100 SCT160 BKN250 | 53.1 | 30 | 53.1 | 37 | 41% | 30.38 | 1029.1 | |||||
| 11 | 11:51 | E 10 | 10.00 | Mostly Cloudy | FEW045 FEW100 FEW150 BKN250 | 52 | 25 | 35% | 30.41 | 1030.3 | |||||||
| 11 | 10:51 | SE 16 | 10.00 | Mostly Cloudy | FEW100 SCT150 BKN250 | 51.1 | 26.1 | 38% | 30.43 | 1031.0 | |||||||
| 11 | 09:51 | SE 8 | 10.00 | Partly Cloudy | FEW100 SCT250 | 50 | 30.9 | 48% | 47 | 30.45 | 1031.4 | ||||||
| 11 | 08:51 | E 8 | 10.00 | A Few Clouds | FEW100 FEW250 | 46.9 | 30.9 | 54% | 44 | 30.42 | 1030.7 | ||||||
| 11 | 07:51 | E 3 | 10.00 | A Few Clouds | FEW100 FEW250 | 42.1 | 35.1 | 76% | 30.42 | 1030.4 | |||||||
| 11 | 06:51 | Calm | 10.00 | A Few Clouds | FEW060 | 37 | 33.1 | 39 | 35.1 | 86% | 30.42 | 1030.7 | |||||
| 11 | 05:51 | Calm | 10.00 | Fair | CLR | 35.1 | 32 | 89% | 30.41 | 1030.3 | |||||||
| 11 | 04:51 | Calm | 10.00 | Fair | CLR | 37 | 33.1 | 86% | 30.4 | 1029.8 | |||||||
| 11 | 03:51 | Calm | 10.00 | Fair | CLR | 37 | 33.1 | 86% | 30.39 | 1029.4 | |||||||
| 11 | 02:51 | Calm | 10.00 | Fair | CLR | 36 | 33.1 | 89% | 30.38 | 1029.3 | |||||||
| 11 | 01:51 | E 3 | 10.00 | Fair | CLR | 37.9 | 33.1 | 83% | 30.38 | 1029.0 | |||||||
| 11 | 00:51 | Calm | 10.00 | Fair | CLR | 37.9 | 33.1 | 46.9 | 37.9 | 83% | 30.38 | 1029.0 | |||||
| 10 | 23:51 | NE 5 | 10.00 | Fair | CLR | 39 | 33.1 | 79% | 36 | 30.37 | 1028.7 | ||||||
| 10 | 22:51 | E 5 | 10.00 | Fair | CLR | 39.9 | 33.1 | 77% | 37 | 30.38 | 1029.0 | ||||||
| 10 | 21:51 | E 5 | 10.00 | Fair | CLR | 39.9 | 33.1 | 77% | 37 | 30.38 | 1029.3 | ||||||
| 10 | 20:51 | E 7 | 10.00 | A Few Clouds | FEW045 | 41 | 33.1 | 73% | 37 | 30.37 | 1028.9 | ||||||
| 10 | 19:51 | E 9 | 10.00 | Partly Cloudy | FEW047 SCT050 | 44.1 | 39.9 | 85% | 40 | 30.34 | 1028.0 | ||||||
| 10 | 18:51 | NE 13 | 10.00 | Mostly Cloudy | SCT039 BKN050 | 46.9 | 39.9 | 54 | 46.9 | 77% | 42 | 30.33 | 1027.4 | ||||
| 10 | 17:51 | N 13 | 10.00 | Mostly Cloudy | SCT035 BKN046 | 54 | 39 | 57% | 30.3 | 1026.3 | |||||||
| 10 | 16:51 | NW 7 | 10.00 | Mostly Cloudy | SCT029 BKN041 BKN055 | 53.1 | 39.9 | 61% | 30.29 | 1026.1 | |||||||
| 10 | 15:51 | NW 7 | 10.00 | Mostly Cloudy | BKN024 BKN035 | 51.1 | 41 | 69% | 30.29 | 1026.0 | |||||||
| 10 | 14:51 | W 7 | 10.00 | Overcast | OVC020 | 50 | 42.1 | 74% | 48 | 30.29 | 1026.0 | ||||||
| 10 | 13:51 | N 8 | 10.00 | Overcast | OVC021 | 48.9 | 41 | 74% | 46 | 30.28 | 1025.5 | ||||||
| 10 | 12:51 | N 6 | 10.00 | Overcast | OVC017 | 48.9 | 42.1 | 48.9 | 43 | 77% | 47 | 30.26 | 1025.1 | 0.01 | |||
| 10 | 11:51 | N 10 | 10.00 | Overcast | BKN015 OVC023 | 48 | 42.1 | 80% | 44 | 30.25 | 1024.5 | ||||||
| 10 | 10:51 | N 14 | 10.00 | Overcast | OVC010 | 46 | 41 | 83% | 40 | 30.24 | 1024.1 | ||||||
| 10 | 09:51 | N 13 | 10.00 | Overcast | OVC007 | 46 | 42.1 | 86% | 41 | 30.21 | 1023.3 | 0.01 | |||||
| 10 | 08:51 | N 9 | 3.00 | Light Rain Fog/Mist | BKN007 OVC021 | 45 | 42.1 | 90% | 41 | 30.18 | 1022.1 | ||||||
| 10 | 07:51 | N 13 | 5.00 | Light Drizzle Fog/Mist | OVC006 | 44.1 | 42.1 | 93% | 38 | 30.17 | 1021.7 | 0.01 | |||||
| 10 | 06:51 | N 13 | 3.00 | Light Rain Fog/Mist | OVC004 | 43 | 42.1 | 45 | 43 | 97% | 37 | 30.14 | 1020.8 | 0.32 | |||
| 10 | 05:51 | N 9 | 7.00 | Overcast | OVC005 | 45 | 43 | 93% | 41 | 30.1 | 1019.3 | ||||||
| 10 | 04:51 | NE 8 | 7.00 | Overcast | OVC005 | 45 | 43 | 93% | 41 | 30.08 | 1018.7 | 0.01 | |||||
| 10 | 03:51 | E 9 | 4.00 | Light Rain Fog/Mist | SCT005 BKN041 OVC050 | 44.1 | 42.1 | 93% | 40 | 30.07 | 1018.3 | 0.22 | 0.31 | ||||
| 10 | 02:51 | E 7 | 5.00 | Light Rain Fog/Mist | OVC065 | 43 | 41 | 93% | 39 | 30.09 | 1019.1 | 0.09 | |||||
| 10 | 01:51 | N 14 | 10.00 | Light Rain | OVC080 | 44.1 | 39 | 83% | 38 | 30.12 | 1020.1 | ||||||
| 10 | 00:51 | N 15 | 10.00 | Light Rain | OVC085 | 45 | 37.9 | 64.9 | 45 | 77% | 39 | 30.12 | 1020.0 | ||||
| 09 | 23:51 | N 13 | 10.00 | Overcast | SCT110 OVC150 | 48.9 | 39 | 69% | 44 | 30.09 | 1019.1 | ||||||
| 09 | 22:51 | N 10 | 10.00 | Overcast | SCT085 OVC110 | 52 | 41 | 66% | 30.11 | 1019.6 | |||||||
| 09 | 21:51 | W 5 | 10.00 | Overcast | FEW065 BKN080 OVC120 | 59 | 46 | 62% | 30.12 | 1019.8 | |||||||
| 09 | 20:51 | N 3 | 10.00 | Overcast | BKN085 OVC100 | 57.9 | 45 | 62% | 30.1 | 1019.3 | |||||||
| 09 | 19:51 | NW 8 | 10.00 | Overcast | BKN100 OVC250 | 57.9 | 46 | 65% | 30.11 | 1019.7 | |||||||
| 09 | 18:51 | NW 12 | 10.00 | Light Rain | BKN075 OVC250 | 64.9 | 43 | 70 | 64.9 | 45% | 30.13 | 1020.4 | 0.01 | 0.01 | |||
| 09 | 17:51 | W 8 | 10.00 | Overcast | BKN075 OVC250 | 68 | 39.9 | 36% | 30.11 | 1019.6 | |||||||
| 09 | 16:51 | SW 9 | 10.00 | Overcast | BKN075 OVC250 | 69.1 | 39 | 33% | 30.11 | 1019.4 | |||||||
| 09 | 15:51 | SW 8 G 22 | 10.00 | Overcast | FEW085 OVC250 | 70 | 39 | 32% | 30.1 | 1019.1 | |||||||
| 09 | 14:51 | W 16 G 21 | 10.00 | Mostly Cloudy | SCT085 BKN250 | 69.1 | 37 | 31% | 30.12 | 1019.8 | |||||||
| 09 | 13:51 | SW 8 | 10.00 | Mostly Cloudy | FEW085 BKN250 | 68 | 37.9 | 33% | 30.12 | 1019.8 | |||||||
| 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) | |||||||||||||||