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. | ||||||||||||||||
| 15 | 03:51 | E 9 | 10.00 | Mostly Cloudy | BKN110 | 37 | 27 | 67% | 31 | 29.73 | 1007.4 | ||||||
| 15 | 02:51 | E 14 | 10.00 | Overcast | OVC085 | 37 | 26.1 | 65% | 29 | 29.78 | 1009.1 | ||||||
| 15 | 01:51 | NE 10 | 10.00 | Overcast | OVC080 | 36 | 27 | 70% | 29 | 29.84 | 1011.0 | ||||||
| 15 | 00:51 | E 12 | 10.00 | Overcast | OVC075 | 36 | 26.1 | 36 | 33.1 | 67% | 29 | 29.87 | 1012.2 | ||||
| 14 | 23:51 | E 10 | 10.00 | Overcast | OVC070 | 36 | 26.1 | 67% | 29 | 29.9 | 1013.2 | ||||||
| 14 | 22:51 | E 12 | 10.00 | Overcast | OVC075 | 35.1 | 26.1 | 70% | 28 | 29.96 | 1015.2 | ||||||
| 14 | 21:51 | E 15 | 10.00 | Overcast | BKN060 OVC080 | 35.1 | 27 | 72% | 26 | 29.99 | 1016.3 | ||||||
| 14 | 20:51 | E 15 | 10.00 | Overcast | FEW010 OVC060 | 35.1 | 27 | 72% | 26 | 30.02 | 1017.2 | ||||||
| 14 | 19:51 | E 13 | 10.00 | Overcast | SCT010 OVC065 | 33.1 | 28.9 | 85% | 25 | 30.02 | 1017.3 | ||||||
| 14 | 18:51 | E 15 G 21 | 10.00 | Overcast | OVC009 | 33.1 | 30 | 37 | 33.1 | 89% | 24 | 30.06 | 1018.6 | 0.01 | |||
| 14 | 17:51 | E 12 | 9.00 | Light Snow | BKN010 OVC014 | 33.1 | 28.9 | 85% | 25 | 30.08 | 1019.3 | ||||||
| 14 | 16:51 | E 9 | 3.00 | Light Snow Fog/Mist | SCT010 BKN016 OVC029 | 34 | 30 | 85% | 27 | 30.11 | 1020.3 | 0.01 | |||||
| 14 | 15:51 | E 12 | 7.00 | Light Snow | BKN016 OVC023 | 34 | 27 | 76% | 26 | 30.12 | 1020.7 | ||||||
| 14 | 14:51 | E 9 | 7.00 | Light Snow | SCT017 OVC028 | 35.1 | 27 | 72% | 29 | 30.14 | 1021.2 | ||||||
| 14 | 13:51 | E 7 | 9.00 | Light Snow | FEW032 BKN075 OVC085 | 36 | 21.9 | 57% | 31 | 30.16 | 1022.0 | ||||||
| 14 | 12:51 | E 9 | 10.00 | Overcast | FEW032 OVC080 | 36 | 21 | 36 | 28.9 | 55% | 30 | 30.18 | 1022.5 | ||||
| 14 | 11:51 | SE 10 | 10.00 | Overcast | FEW030 BKN080 OVC250 | 35.1 | 21 | 57% | 28 | 30.2 | 1023.3 | ||||||
| 14 | 10:51 | E 9 | 10.00 | Overcast | FEW030 SCT110 OVC250 | 36 | 19.9 | 52% | 30 | 30.2 | 1023.2 | ||||||
| 14 | 09:51 | E 10 | 10.00 | Overcast | FEW030 SCT100 BKN140 OVC250 | 34 | 19.9 | 56% | 27 | 30.19 | 1022.9 | ||||||
| 14 | 08:51 | E 6 | 10.00 | Mostly Cloudy | FEW030 SCT130 BKN170 BKN250 | 33.1 | 19.9 | 58% | 28 | 30.2 | 1023.3 | ||||||
| 14 | 07:51 | E 6 | 10.00 | Mostly Cloudy | SCT150 BKN180 BKN250 | 32 | 19 | 59% | 27 | 30.18 | 1022.5 | ||||||
| 14 | 06:51 | N 8 | 10.00 | Mostly Cloudy | SCT140 BKN250 | 28.9 | 18 | 33.1 | 28 | 63% | 22 | 30.17 | 1022.2 | ||||
| 14 | 05:51 | N 6 | 10.00 | Mostly Cloudy | SCT190 BKN250 | 28.9 | 18 | 63% | 23 | 30.15 | 1021.7 | ||||||
| 14 | 04:51 | N 6 | 10.00 | Mostly Cloudy | FEW120 BKN180 | 30 | 18 | 61% | 25 | 30.14 | 1021.1 | ||||||
| 14 | 03:51 | N 6 | 10.00 | Mostly Cloudy | FEW120 BKN180 | 30 | 19 | 64% | 25 | 30.12 | 1020.7 | ||||||
| 14 | 02:51 | NW 7 | 10.00 | Mostly Cloudy | FEW120 BKN200 | 30.9 | 18 | 59% | 25 | 30.14 | 1021.1 | ||||||
| 14 | 01:51 | NW 8 | 10.00 | Mostly Cloudy | FEW120 BKN200 | 32 | 18 | 56% | 25 | 30.12 | 1020.4 | ||||||
| 14 | 00:51 | NW 7 | 10.00 | Mostly Cloudy | FEW120 BKN180 BKN250 | 33.1 | 17.1 | 43 | 32 | 52% | 28 | 30.09 | 1019.5 | ||||
| 13 | 23:51 | NW 13 | 10.00 | Partly Cloudy | SCT120 SCT250 | 33.1 | 17.1 | 52% | 25 | 30.07 | 1018.9 | ||||||
| 13 | 22:51 | NW 14 | 10.00 | A Few Clouds | FEW250 | 34 | 17.1 | 50% | 25 | 30.04 | 1017.9 | ||||||
| 13 | 21:51 | NW 13 | 10.00 | A Few Clouds | FEW250 | 35.1 | 18 | 50% | 27 | 30.02 | 1017.1 | ||||||
| 13 | 19:51 | NW 18 G 31 | 10.00 | Mostly Cloudy | FEW150 BKN250 | 42.1 | 16 | 35% | 34 | 29.92 | 1013.7 | ||||||
| 13 | 18:51 | W 14 G 24 | 10.00 | A Few Clouds | FEW055 FEW170 | 43 | 19.9 | 46.9 | 43 | 40% | 37 | 29.87 | 1011.9 | ||||
| 13 | 17:51 | W 21 G 38 | 10.00 | A Few Clouds and Breezy | FEW055 FEW250 | 46 | 21 | 37% | 39 | 29.83 | 1010.3 | ||||||
| 13 | 16:51 | W 18 G 44 | 10.00 | Partly Cloudy | SCT055 | 46 | 21 | 37% | 39 | 29.78 | 1008.8 | ||||||
| 13 | 15:51 | W 28 G 53 | 10.00 | Partly Cloudy and Windy | SCT055 | 46 | 21 | 37% | 38 | 29.74 | 1007.5 | ||||||
| 13 | 14:51 | W 31 G 53 | 10.00 | Partly Cloudy and Windy | SCT050 | 46.9 | 23 | 39% | 38 | 29.69 | 1005.7 | ||||||
| 13 | 13:51 | W 25 G 51 | 10.00 | Partly Cloudy and Breezy | SCT050 | 46 | 23 | 40% | 38 | 29.65 | 1004.3 | ||||||
| 13 | 12:51 | W 25 G 53 | 10.00 | Mostly Cloudy and Breezy | BKN049 | 44.1 | 23 | 46.9 | 37.9 | 43% | 35 | 29.61 | 1003.0 | ||||
| 13 | 11:51 | W 16 G 44 | 10.00 | Mostly Cloudy | BKN042 | 41 | 24.1 | 51% | 33 | 29.57 | 1001.8 | ||||||
| 13 | 10:51 | W 26 G 45 | 10.00 | Overcast and Windy | OVC033 | 37.9 | 25 | 60% | 27 | 29.53 | 1000.5 | ||||||
| 13 | 09:51 | W 29 G 55 | 10.00 | Overcast and Windy | OVC033 | 37.9 | 25 | 60% | 27 | 29.5 | 999.2 | ||||||
| 13 | 08:51 | W 32 G 51 | 10.00 | Overcast and Windy | OVC034 | 37.9 | 26.1 | 62% | 26 | 29.46 | 998.0 | ||||||
| 13 | 07:51 | W 28 G 54 | 10.00 | Mostly Cloudy and Windy | BKN036 BKN055 | 39.9 | 25 | 55% | 29 | 29.45 | 997.5 | ||||||
| 13 | 06:51 | SW 26 G 49 | 10.00 | Partly Cloudy and Windy | FEW032 SCT048 | 45 | 30 | 45 | 39 | 56% | 36 | 29.37 | 994.9 | 0.04 | |||
| 13 | 05:51 | S 25 G 45 | 10.00 | Partly Cloudy and Breezy | FEW070 SCT250 | 44.1 | 28.9 | 55% | 35 | 29.38 | 995.2 | ||||||
| 13 | 04:51 | S 26 G 41 | 10.00 | Mostly Cloudy and Windy | SCT070 BKN120 BKN250 | 43 | 28.9 | 58% | 34 | 29.42 | 996.3 | ||||||
| 13 | 03:51 | S 22 G 36 | 10.00 | Overcast and Breezy | FEW024 OVC055 | 42.1 | 33.1 | 71% | 33 | 29.52 | 999.9 | 0.04 | |||||
| 13 | 02:51 | S 18 G 31 | 10.00 | Overcast | BKN024 OVC045 | 39.9 | 34 | 79% | 31 | 29.6 | 1002.8 | 0.04 | |||||
| 13 | 01:51 | S 32 G 52 | 10.00 | Light Rain and Windy | OVC028 | 41 | 30.9 | 67% | 30 | 29.69 | 1005.7 | ||||||
| 13 | 00:51 | S 24 G 39 | 10.00 | Overcast and Breezy | BKN070 OVC085 | 43 | 26.1 | 43 | 39.9 | 51% | 34 | 29.72 | 1006.9 | ||||
| 12 | 23:51 | S 16 G 30 | 10.00 | Overcast | BKN070 OVC080 | 43 | 25 | 49% | 36 | 29.81 | 1009.7 | ||||||
| 12 | 22:51 | S 13 | 10.00 | Overcast | OVC095 | 42.1 | 24.1 | 49% | 36 | 29.88 | 1012.1 | ||||||
| 12 | 21:51 | SE 14 | 10.00 | Overcast | OVC090 | 41 | 24.1 | 51% | 34 | 29.92 | 1013.7 | ||||||
| 12 | 20:51 | SE 12 | 10.00 | Overcast | FEW045 OVC100 | 39.9 | 26.1 | 58% | 34 | 29.97 | 1015.4 | ||||||
| 12 | 19:51 | S 9 | 10.00 | Overcast | SCT075 OVC090 | 43 | 21.9 | 43% | 38 | 30 | 1016.4 | ||||||
| 12 | 18:51 | SW 13 | 10.00 | Overcast | OVC095 | 43 | 21.9 | 45 | 41 | 43% | 37 | 30 | 1016.4 | ||||
| 12 | 17:51 | SW 13 G 20 | 10.00 | Overcast | SCT110 OVC250 | 44.1 | 19.9 | 38% | 38 | 30.01 | 1016.6 | ||||||
| 12 | 16:51 | SW 13 G 21 | 10.00 | Overcast | FEW170 OVC250 | 44.1 | 21 | 40% | 38 | 30.04 | 1017.7 | ||||||
| 12 | 15:51 | SW 8 G 21 | 10.00 | Mostly Cloudy | FEW045 BKN250 | 44.1 | 21.9 | 41% | 40 | 30.08 | 1019.2 | ||||||
| 12 | 14:51 | W 8 G 21 | 10.00 | Partly Cloudy | FEW045 SCT250 | 44.1 | 21.9 | 41% | 40 | 30.1 | 1019.9 | ||||||
| 12 | 13:51 | W 14 G 20 | 10.00 | A Few Clouds | FEW045 FEW150 | 43 | 19.9 | 40% | 37 | 30.14 | 1021.3 | ||||||
| 12 | 12:51 | W 10 G 17 | 10.00 | A Few Clouds | FEW043 | 41 | 23 | 41 | 28.9 | 49% | 35 | 30.16 | 1021.8 | ||||
| 12 | 11:51 | NW 12 G 18 | 10.00 | A Few Clouds | FEW038 | 39.9 | 21.9 | 49% | 34 | 30.17 | 1022.3 | ||||||
| 12 | 10:51 | NW 8 | 10.00 | A Few Clouds | FEW030 | 37.9 | 24.1 | 57% | 33 | 30.19 | 1023.0 | ||||||
| 12 | 09:51 | W 9 | 10.00 | A Few Clouds | FEW030 | 35.1 | 24.1 | 64% | 29 | 30.18 | 1022.7 | ||||||
| 12 | 08:51 | W 7 | 10.00 | A Few Clouds | FEW070 | 33.1 | 24.1 | 70% | 28 | 30.17 | 1022.5 | ||||||
| 12 | 07:51 | W 6 | 10.00 | A Few Clouds | FEW070 | 30 | 23 | 75% | 25 | 30.17 | 1022.3 | ||||||
| 12 | 06:51 | SW 8 | 10.00 | A Few Clouds | FEW070 | 30 | 23 | 33.1 | 30 | 75% | 23 | 30.16 | 1021.8 | ||||
| 12 | 05:51 | SW 7 | 10.00 | A Few Clouds | FEW080 | 30 | 23 | 75% | 24 | 30.14 | 1021.3 | ||||||
| 12 | 04:51 | SW 6 | 10.00 | A Few Clouds | FEW080 | 30 | 21.9 | 72% | 25 | 30.13 | 1021.1 | ||||||
| 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) | |||||||||||||||