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. | ||||||||||||||||
| 17 | 23:51 | S 10 | 10.00 | Fair | CLR | 45 | 36 | 71% | 40 | 30.42 | 1030.3 | ||||||
| 17 | 22:51 | S 9 | 10.00 | Fair | CLR | 46 | 36 | 68% | 42 | 30.43 | 1030.8 | ||||||
| 17 | 21:51 | SW 9 | 10.00 | Fair | CLR | 46.9 | 36 | 66% | 43 | 30.43 | 1030.7 | ||||||
| 17 | 20:51 | SW 7 | 10.00 | Fair | CLR | 48.9 | 36 | 61% | 46 | 30.43 | 1030.8 | ||||||
| 17 | 19:51 | S 9 | 10.00 | Fair | CLR | 50 | 36 | 59% | 47 | 30.43 | 1030.9 | ||||||
| 17 | 18:51 | S 9 | 10.00 | Fair | CLR | 52 | 35.1 | 57 | 52 | 53% | 30.42 | 1030.6 | |||||
| 17 | 17:51 | SW 10 | 10.00 | Fair | CLR | 54 | 34 | 47% | 30.43 | 1030.6 | |||||||
| 17 | 16:51 | S 10 | 10.00 | Fair | CLR | 55.9 | 34 | 44% | 30.43 | 1030.7 | |||||||
| 17 | 15:51 | SW 13 | 10.00 | Fair | CLR | 55.9 | 34 | 44% | 30.44 | 1030.9 | |||||||
| 17 | 14:51 | Vrbl 6 | 10.00 | A Few Clouds | FEW035 | 55.9 | 36 | 47% | 30.45 | 1031.5 | |||||||
| 17 | 13:51 | SW 8 | 10.00 | A Few Clouds | FEW035 | 55 | 35.1 | 47% | 30.48 | 1032.5 | |||||||
| 17 | 12:51 | Vrbl 7 | 10.00 | A Few Clouds | FEW030 | 54 | 36 | 54 | 39 | 51% | 30.51 | 1033.4 | |||||
| 17 | 11:51 | Vrbl 3 | 10.00 | A Few Clouds | FEW030 | 52 | 37 | 57% | 30.53 | 1034.0 | |||||||
| 17 | 10:51 | Calm | 10.00 | A Few Clouds | FEW040 | 50 | 36 | 59% | 30.53 | 1034.3 | |||||||
| 17 | 09:51 | Calm | 10.00 | A Few Clouds | FEW040 | 46.9 | 32 | 56% | 30.54 | 1034.4 | |||||||
| 17 | 08:51 | Calm | 10.00 | Mostly Cloudy | FEW033 BKN041 | 44.1 | 30.9 | 60% | 30.53 | 1034.3 | |||||||
| 17 | 07:51 | Calm | 10.00 | Partly Cloudy | SCT034 SCT042 | 39 | 30 | 70% | 30.51 | 1033.4 | |||||||
| 17 | 06:51 | NW 6 | 10.00 | Partly Cloudy | SCT030 SCT040 | 39.9 | 28.9 | 42.1 | 39 | 65% | 36 | 30.49 | 1033.0 | ||||
| 17 | 05:51 | NW 9 | 10.00 | A Few Clouds | FEW045 | 39.9 | 28 | 63% | 34 | 30.48 | 1032.6 | ||||||
| 17 | 04:51 | NW 12 | 10.00 | A Few Clouds | FEW050 | 39.9 | 28 | 63% | 34 | 30.46 | 1031.9 | ||||||
| 17 | 03:51 | NW 10 | 10.00 | A Few Clouds | FEW050 | 39.9 | 28.9 | 65% | 34 | 30.45 | 1031.5 | ||||||
| 17 | 02:51 | N 12 | 10.00 | A Few Clouds | FEW050 | 39.9 | 28.9 | 65% | 34 | 30.45 | 1031.4 | ||||||
| 17 | 01:51 | N 14 G 23 | 10.00 | A Few Clouds | FEW050 | 41 | 28.9 | 62% | 34 | 30.44 | 1031.1 | ||||||
| 17 | 00:51 | N 14 | 10.00 | A Few Clouds | FEW050 | 42.1 | 30 | 48.9 | 42.1 | 62% | 35 | 30.43 | 1030.9 | ||||
| 16 | 23:51 | N 12 G 22 | 10.00 | A Few Clouds | FEW050 | 43 | 33.1 | 68% | 37 | 30.42 | 1030.3 | ||||||
| 16 | 22:51 | N 16 | 10.00 | A Few Clouds | FEW030 FEW050 | 45 | 36 | 71% | 38 | 30.4 | 1029.8 | ||||||
| 16 | 21:51 | N 16 | 10.00 | A Few Clouds | FEW045 FEW055 | 46 | 37 | 71% | 40 | 30.37 | 1028.8 | ||||||
| 16 | 20:51 | N 14 | 10.00 | A Few Clouds | FEW043 FEW055 | 46 | 37 | 71% | 40 | 30.35 | 1028.0 | ||||||
| 16 | 19:51 | N 13 | 10.00 | A Few Clouds | FEW045 FEW065 | 46.9 | 39 | 74% | 42 | 30.32 | 1027.0 | ||||||
| 16 | 18:51 | N 18 G 28 | 10.00 | Mostly Cloudy | SCT045 BKN065 | 48 | 39.9 | 57 | 48 | 74% | 42 | 30.29 | 1025.8 | 0.01 | |||
| 16 | 17:51 | N 10 | 10.00 | Mostly Cloudy | SCT043 BKN065 | 48.9 | 43 | 80% | 45 | 30.24 | 1024.3 | 0.01 | |||||
| 16 | 16:51 | N 18 G 29 | 10.00 | Mostly Cloudy | BKN043 BKN065 | 55 | 39 | 55% | 30.19 | 1022.4 | |||||||
| 16 | 15:51 | N 21 | 10.00 | Mostly Cloudy and Breezy | SCT041 BKN055 | 55.9 | 39 | 53% | 30.15 | 1021.1 | |||||||
| 16 | 14:51 | N 18 G 29 | 10.00 | Mostly Cloudy | BKN038 BKN055 | 54 | 42.1 | 64% | 30.12 | 1020.0 | |||||||
| 16 | 13:51 | N 16 | 10.00 | Mostly Cloudy | FEW028 BKN033 BKN055 | 55.9 | 44.1 | 65% | 30.09 | 1019.0 | |||||||
| 16 | 12:51 | N 24 G 31 | 10.00 | Overcast and Breezy | FEW024 BKN037 OVC055 | 54 | 44.1 | 54 | 51.1 | 69% | 30.07 | 1018.4 | |||||
| 16 | 11:51 | NW 12 | 10.00 | Mostly Cloudy | BKN021 BKN026 BKN042 | 54 | 46 | 75% | 30.05 | 1017.6 | |||||||
| 16 | 10:51 | W 15 G 21 | 10.00 | Overcast | OVC023 | 52 | 43 | 72% | 30.04 | 1017.1 | |||||||
| 16 | 09:51 | W 9 G 26 | 10.00 | Overcast | BKN024 OVC034 | 52 | 43 | 72% | 30.02 | 1016.6 | |||||||
| 16 | 08:51 | W 13 G 23 | 10.00 | Mostly Cloudy | BKN023 | 51.1 | 43 | 74% | 30 | 1015.7 | |||||||
| 16 | 07:51 | W 13 G 22 | 10.00 | Overcast | OVC021 | 51.1 | 43 | 74% | 29.98 | 1015.3 | |||||||
| 16 | 06:51 | W 12 G 20 | 10.00 | Overcast | BKN017 OVC025 | 51.1 | 45 | 57 | 51.1 | 80% | 29.97 | 1014.8 | |||||
| 16 | 05:51 | W 13 | 10.00 | Mostly Cloudy | FEW026 BKN036 | 53.1 | 45 | 74% | 29.95 | 1014.2 | |||||||
| 16 | 04:51 | W 13 G 25 | 10.00 | Overcast | OVC029 | 53.1 | 45 | 74% | 29.93 | 1013.4 | |||||||
| 16 | 03:51 | W 18 G 29 | 10.00 | Overcast | OVC024 | 54 | 45 | 72% | 29.9 | 1012.5 | |||||||
| 16 | 02:51 | W 17 G 28 | 10.00 | Overcast | BKN024 OVC028 | 55 | 46.9 | 74% | 29.87 | 1011.4 | |||||||
| 16 | 01:51 | W 17 G 29 | 10.00 | Overcast | OVC020 | 55.9 | 48.9 | 77% | 29.84 | 1010.4 | |||||||
| 16 | 00:51 | W 16 G 30 | 10.00 | Light Rain | OVC018 | 57 | 52 | 66 | 57 | 83% | 29.81 | 1009.4 | |||||
| 15 | 23:51 | W 16 G 26 | 10.00 | Overcast | BKN012 OVC018 | 57.9 | 54 | 87% | 29.8 | 1009.0 | |||||||
| 15 | 22:51 | W 13 G 23 | 10.00 | Overcast | OVC012 | 60.1 | 57 | 90% | 29.78 | 1008.4 | |||||||
| 15 | 21:51 | W 10 G 26 | 4.00 | Light Rain Fog/Mist | SCT008 BKN012 OVC023 | 64 | 62.1 | 93% | 29.76 | 1007.4 | |||||||
| 15 | 20:51 | W 9 | 6.00 | Fog/Mist | BKN007 OVC011 | 64.9 | 64 | 97% | 29.73 | 1006.6 | |||||||
| 15 | 19:51 | S 8 | 10.00 | Overcast | OVC017 | 64 | 62.1 | 93% | 29.73 | 1006.6 | |||||||
| 15 | 18:51 | S 8 | 6.00 | Fog/Mist | FEW025 BKN039 OVC055 | 64 | 63 | 64 | 59 | 96% | 29.74 | 1007.0 | 0.69 | 0.9 | |||
| 15 | 17:51 | SW 6 | 2.00 | Light Rain Fog/Mist | BKN017 BKN026 OVC047 | 63 | 61 | 93% | 29.8 | 1009.0 | 0.17 | ||||||
| 15 | 16:51 | S 7 | 4.00 | Light Rain Fog/Mist | FEW018 BKN040 OVC055 | 64 | 60.1 | 87% | 29.82 | 1009.6 | 0.04 | ||||||
| 15 | 15:51 | SE 12 | 10.00 | Overcast | BKN018 OVC049 | 64 | 57.9 | 81% | 29.84 | 1010.4 | |||||||
| 15 | 14:51 | SE 8 | 10.00 | Overcast | OVC016 | 63 | 57 | 81% | 29.88 | 1011.7 | |||||||
| 15 | 13:51 | SE 10 | 10.00 | Overcast | SCT016 BKN021 OVC047 | 61 | 55.9 | 84% | 29.93 | 1013.3 | |||||||
| 15 | 12:51 | SE 10 | 7.00 | Light Rain | FEW010 BKN018 OVC039 | 59 | 55 | 61 | 59 | 87% | 29.97 | 1014.9 | 0.01 | 0.02 | |||
| 15 | 11:51 | SE 9 | 5.00 | Light Rain Fog/Mist | FEW014 OVC018 | 59 | 55 | 87% | 30.02 | 1016.6 | 0.01 | ||||||
| 15 | 10:51 | E 10 | 10.00 | Overcast | OVC020 | 60.1 | 53.1 | 78% | 30.05 | 1017.4 | |||||||
| 15 | 09:51 | SE 14 | 10.00 | Overcast | FEW017 OVC021 | 60.1 | 53.1 | 78% | 30.08 | 1018.6 | |||||||
| 15 | 08:51 | E 10 | 10.00 | Overcast | FEW017 OVC022 | 60.1 | 53.1 | 78% | 30.09 | 1018.8 | |||||||
| 15 | 07:51 | E 8 | 10.00 | Overcast | BKN021 OVC029 | 60.1 | 54 | 80% | 30.08 | 1018.7 | |||||||
| 15 | 06:51 | E 8 | 10.00 | Overcast | BKN020 OVC031 | 59 | 53.1 | 60.1 | 57.9 | 81% | 30.11 | 1019.4 | |||||
| 15 | 05:51 | E 10 | 10.00 | Overcast | OVC024 | 59 | 52 | 78% | 30.12 | 1020.0 | |||||||
| 15 | 04:51 | E 12 | 10.00 | Overcast | OVC030 | 59 | 52 | 78% | 30.14 | 1020.4 | |||||||
| 15 | 03:51 | E 9 | 10.00 | Overcast | OVC034 | 59 | 52 | 78% | 30.15 | 1020.8 | |||||||
| 15 | 02:51 | E 10 | 10.00 | Overcast | FEW021 OVC033 | 59 | 52 | 78% | 30.15 | 1020.9 | |||||||
| 15 | 01:51 | E 12 | 10.00 | Overcast | FEW022 OVC034 | 60.1 | 51.1 | 72% | 30.16 | 1021.2 | |||||||
| 15 | 00:51 | NE 13 | 10.00 | Overcast | SCT022 OVC034 | 60.1 | 52 | 60.1 | 59 | 75% | 30.15 | 1020.7 | |||||
| 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) | |||||||||||||||