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. | ||||||||||||||||
| 22 | 00:51 | SW 16 G 28 | 10.00 | A Few Clouds | FEW150 FEW250 | 69.1 | 46.9 | 75 | 69.1 | 45% | 29.58 | 1001.2 | |||||
| 21 | 23:51 | SW 15 G 25 | 10.00 | Partly Cloudy | SCT250 | 70 | 45 | 41% | 29.6 | 1001.9 | |||||||
| 21 | 22:51 | S 10 G 20 | 10.00 | Mostly Cloudy | SCT250 BKN300 | 71.1 | 44.1 | 38% | 29.61 | 1002.4 | |||||||
| 21 | 21:51 | SW 14 G 21 | 10.00 | Mostly Cloudy | BKN250 | 72 | 44.1 | 37% | 29.62 | 1002.7 | |||||||
| 21 | 20:51 | SW 12 | 10.00 | Mostly Cloudy | BKN250 | 72 | 45 | 38% | 29.63 | 1003.3 | |||||||
| 21 | 19:51 | SW 10 | 10.00 | Mostly Cloudy | FEW200 BKN250 | 73 | 45 | 37% | 29.65 | 1003.8 | |||||||
| 21 | 18:51 | SW 12 | 10.00 | Mostly Cloudy | FEW200 BKN250 | 75 | 45 | 77 | 63 | 34% | 77 | 29.65 | 1004.0 | ||||
| 21 | 17:51 | SW 14 G 26 | 10.00 | Mostly Cloudy | BKN250 | 77 | 45 | 32% | 78 | 29.66 | 1004.3 | ||||||
| 21 | 16:51 | S 12 | 10.00 | Mostly Cloudy | BKN250 | 73.9 | 44.1 | 34% | 29.68 | 1005.1 | |||||||
| 21 | 15:51 | S 17 G 26 | 10.00 | Mostly Cloudy | FEW100 BKN250 | 71.1 | 42.1 | 35% | 29.72 | 1006.1 | |||||||
| 21 | 14:51 | S 12 | 10.00 | Partly Cloudy | FEW100 SCT250 | 70 | 42.1 | 37% | 29.75 | 1007.5 | |||||||
| 21 | 13:51 | S 13 G 20 | 10.00 | A Few Clouds | FEW110 FEW250 | 66 | 39 | 37% | 29.81 | 1009.3 | |||||||
| 21 | 12:51 | S 12 | 10.00 | A Few Clouds | FEW110 FEW250 | 62.1 | 41 | 62.1 | 44.1 | 46% | 29.85 | 1011.1 | |||||
| 21 | 11:51 | S 12 | 9.00 | Partly Cloudy | FEW110 SCT250 | 59 | 44.1 | 58% | 29.88 | 1011.9 | |||||||
| 21 | 10:51 | S 7 | 8.00 | Overcast | BKN100 OVC250 | 55 | 42.1 | 62% | 29.91 | 1012.9 | |||||||
| 21 | 09:51 | S 6 | 9.00 | Mostly Cloudy | BKN120 BKN250 | 53.1 | 41 | 64% | 29.92 | 1013.4 | |||||||
| 21 | 08:51 | SE 7 | 8.00 | Mostly Cloudy | BKN140 BKN250 | 48.9 | 39 | 69% | 46 | 29.92 | 1013.5 | ||||||
| 21 | 07:51 | E 5 | 9.00 | Mostly Cloudy | BKN130 BKN250 | 45 | 37 | 74% | 43 | 29.93 | 1013.7 | ||||||
| 21 | 06:51 | E 5 | 10.00 | Overcast | BKN130 OVC250 | 44.1 | 37 | 46 | 41 | 76% | 42 | 29.92 | 1013.5 | ||||
| 21 | 05:51 | E 3 | 10.00 | Overcast | BKN150 OVC250 | 43 | 36 | 76% | 29.92 | 1013.5 | |||||||
| 21 | 04:51 | E 5 | 10.00 | Overcast | SCT150 BKN180 OVC250 | 44.1 | 36 | 73% | 42 | 29.93 | 1013.6 | ||||||
| 21 | 03:51 | NE 3 | 10.00 | Overcast | SCT170 BKN220 OVC250 | 46 | 36 | 68% | 29.94 | 1014.0 | |||||||
| 21 | 02:51 | Calm | 10.00 | Overcast | BKN220 OVC250 | 43 | 36 | 76% | 29.94 | 1013.8 | |||||||
| 21 | 01:51 | Calm | 10.00 | Overcast | SCT180 OVC220 | 43 | 36 | 76% | 29.94 | 1014.0 | |||||||
| 21 | 00:51 | Calm | 10.00 | Overcast | SCT180 OVC210 | 43 | 35.1 | 48 | 42.1 | 74% | 29.95 | 1014.4 | |||||
| 20 | 23:51 | E 3 | 10.00 | Overcast | SCT200 OVC250 | 43 | 35.1 | 74% | 29.96 | 1014.5 | |||||||
| 20 | 22:51 | NE 5 | 10.00 | Overcast | BKN200 OVC250 | 44.1 | 36 | 73% | 42 | 29.95 | 1014.3 | ||||||
| 20 | 21:51 | N 5 | 10.00 | Overcast | OVC210 | 45 | 36 | 71% | 43 | 29.95 | 1014.2 | ||||||
| 20 | 20:51 | N 8 | 10.00 | Overcast | OVC240 | 45 | 36 | 71% | 41 | 29.94 | 1014.1 | ||||||
| 20 | 19:51 | NE 13 | 10.00 | Overcast | OVC250 | 46 | 37 | 71% | 41 | 29.93 | 1013.7 | ||||||
| 20 | 18:51 | NE 10 | 10.00 | Overcast | OVC250 | 48 | 37.9 | 72 | 48 | 68% | 44 | 29.9 | 1012.6 | ||||
| 20 | 17:51 | NE 14 | 10.00 | Overcast | OVC250 | 51.1 | 39 | 64% | 29.88 | 1012.0 | |||||||
| 20 | 16:51 | NE 13 | 10.00 | Overcast | OVC250 | 55 | 39.9 | 57% | 29.85 | 1010.8 | |||||||
| 20 | 15:51 | NE 18 | 10.00 | Mostly Cloudy | BKN250 | 57 | 42.1 | 58% | 29.82 | 1009.9 | |||||||
| 20 | 14:51 | NE 18 G 26 | 10.00 | Mostly Cloudy | BKN250 | 64.9 | 45 | 49% | 29.78 | 1008.5 | |||||||
| 20 | 13:51 | NW 10 G 20 | 10.00 | Mostly Cloudy | BKN250 | 71.1 | 46 | 41% | 29.77 | 1008.1 | |||||||
| 20 | 12:51 | W 8 | 10.00 | Mostly Cloudy | BKN250 | 69.1 | 45 | 69.1 | 51.1 | 42% | 29.76 | 1007.6 | |||||
| 20 | 11:51 | W 9 | 10.00 | Mostly Cloudy | FEW200 BKN250 | 64.9 | 44.1 | 47% | 29.77 | 1008.2 | |||||||
| 20 | 10:51 | W 10 | 10.00 | Mostly Cloudy | SCT200 BKN250 | 62.1 | 44.1 | 52% | 29.77 | 1008.3 | |||||||
| 20 | 09:51 | W 14 G 22 | 10.00 | Mostly Cloudy | BKN200 BKN250 | 59 | 43 | 56% | 29.76 | 1008.0 | |||||||
| 20 | 08:51 | SW 13 | 10.00 | Overcast | FEW160 OVC250 | 54 | 42.1 | 64% | 29.76 | 1008.0 | |||||||
| 20 | 07:51 | SW 12 G 21 | 10.00 | Overcast | SCT160 OVC250 | 52 | 41 | 66% | 29.77 | 1008.2 | |||||||
| 20 | 06:51 | SW 13 | 10.00 | Overcast | FEW140 BKN170 OVC250 | 52 | 41 | 52 | 39.9 | 66% | 29.78 | 1008.4 | |||||
| 20 | 04:51 | SW 10 | 10.00 | Overcast | OVC180 | 48.9 | 39.9 | 71% | 45 | 29.8 | 1009.4 | ||||||
| 20 | 03:51 | SW 8 | 10.00 | Partly Cloudy | FEW150 SCT250 | 45 | 37.9 | 77% | 41 | 29.83 | 1010.1 | ||||||
| 20 | 02:51 | SW 6 | 10.00 | A Few Clouds | FEW150 FEW250 | 45 | 36 | 71% | 42 | 29.86 | 1011.1 | ||||||
| 20 | 01:51 | SW 5 | 10.00 | Mostly Cloudy | FEW150 BKN250 | 39.9 | 33.1 | 77% | 37 | 29.89 | 1012.4 | ||||||
| 20 | 00:51 | Calm | 10.00 | NULL | NULL | 41 | 33.1 | 46.9 | 39.9 | 73% | 29.93 | 1013.5 | |||||
| 19 | 23:51 | Calm | 10.00 | Mostly Cloudy | BKN250 | 41 | 33.1 | 73% | 29.95 | 1014.3 | |||||||
| 19 | 22:51 | Calm | 10.00 | Mostly Cloudy | BKN250 | 41 | 32 | 70% | 29.97 | 1015.2 | |||||||
| 19 | 21:51 | E 5 | 10.00 | Partly Cloudy | SCT250 | 42.1 | 30.9 | 65% | 40 | 30 | 1016.3 | ||||||
| 19 | 20:51 | E 5 | 10.00 | A Few Clouds | FEW250 | 42.1 | 30.9 | 65% | 40 | 30.02 | 1017.0 | ||||||
| 19 | 19:51 | E 9 | 10.00 | A Few Clouds | FEW250 | 44.1 | 30.9 | 60% | 40 | 30.04 | 1017.5 | ||||||
| 19 | 18:51 | E 7 | 10.00 | A Few Clouds | FEW250 | 46.9 | 30 | 62.1 | 46.9 | 52% | 44 | 30.04 | 1017.5 | ||||
| 19 | 17:51 | E 8 | 10.00 | Mostly Cloudy | BKN250 | 50 | 30.9 | 48% | 47 | 30.06 | 1018.1 | ||||||
| 19 | 16:51 | E 9 | 10.00 | Mostly Cloudy | BKN250 | 53.1 | 33.1 | 47% | 30.06 | 1018.2 | |||||||
| 19 | 15:51 | E 10 | 10.00 | Mostly Cloudy | BKN250 | 55 | 34 | 45% | 30.05 | 1017.8 | |||||||
| 19 | 14:51 | NE 12 | 10.00 | Mostly Cloudy | BKN250 | 55.9 | 35.1 | 46% | 30.05 | 1018.1 | |||||||
| 19 | 13:51 | E 5 | 10.00 | A Few Clouds | FEW250 | 62.1 | 37 | 40% | 30.07 | 1018.3 | |||||||
| 19 | 12:51 | E 3 | 10.00 | A Few Clouds | FEW250 | 59 | 36 | 59 | 36 | 42% | 30.08 | 1018.8 | |||||
| 19 | 11:51 | SE 3 | 10.00 | A Few Clouds | FEW250 | 55.9 | 35.1 | 46% | 30.08 | 1018.8 | |||||||
| 19 | 10:51 | E 3 | 10.00 | A Few Clouds | FEW180 FEW250 | 51.1 | 33.1 | 50% | 30.09 | 1019.2 | |||||||
| 19 | 09:51 | S 5 | 10.00 | Partly Cloudy | FEW070 SCT180 SCT250 | 46.9 | 33.1 | 59% | 45 | 30.08 | 1019.1 | ||||||
| 19 | 08:51 | S 6 | 10.00 | Partly Cloudy | FEW060 FEW120 SCT250 | 42.1 | 32 | 68% | 39 | 30.07 | 1018.7 | ||||||
| 19 | 07:51 | S 3 | 9.00 | Partly Cloudy | FEW060 FEW110 SCT250 | 37 | 30 | 76% | 30.05 | 1018.3 | |||||||
| 19 | 05:51 | SW 7 | 9.00 | Partly Cloudy | FEW070 SCT120 | 37 | 30 | 76% | 32 | 30.03 | 1017.5 | ||||||
| 19 | 04:51 | SE 5 | 9.00 | Mostly Cloudy | BKN120 | 36 | 28.9 | 76% | 33 | 30.02 | 1017.1 | ||||||
| 19 | 03:51 | Calm | 10.00 | Overcast | SCT120 OVC250 | 34 | 28.9 | 82% | 30.04 | 1017.7 | |||||||
| 19 | 02:51 | Calm | 10.00 | Overcast | SCT110 OVC250 | 36 | 28.9 | 76% | 30.04 | 1017.7 | |||||||
| 19 | 01:51 | Calm | 10.00 | Overcast | SCT120 BKN180 OVC250 | 37 | 28.9 | 73% | 30.04 | 1017.8 | |||||||
| 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) | |||||||||||||||