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. | ||||||||||||||||
| 10 | 08:51 | E 5 | 10.00 | Fair | CLR | 53.1 | 26.1 | 35% | 30.07 | 1018.4 | |||||||
| 10 | 07:51 | E 3 | 10.00 | Fair | CLR | 52 | 32 | 47% | 30.06 | 1018.0 | |||||||
| 10 | 06:51 | Calm | 10.00 | Fair | CLR | 46 | 34 | 51.1 | 39.9 | 63% | 30.03 | 1016.9 | |||||
| 10 | 05:51 | N 6 | 10.00 | A Few Clouds | FEW250 | 39.9 | 30.9 | 70% | 36 | 30.01 | 1016.3 | ||||||
| 10 | 04:51 | N 6 | 10.00 | Fair | CLR | 41 | 30 | 65% | 38 | 29.99 | 1015.4 | ||||||
| 10 | 03:51 | NE 5 | 10.00 | A Few Clouds | FEW250 | 46 | 30 | 54% | 44 | 29.98 | 1015.0 | ||||||
| 10 | 02:51 | NE 7 | 10.00 | A Few Clouds | FEW250 | 46 | 30.9 | 56% | 43 | 29.95 | 1014.2 | ||||||
| 10 | 01:51 | N 13 | 10.00 | Fair | CLR | 48.9 | 33.1 | 55% | 44 | 29.93 | 1013.6 | ||||||
| 10 | 00:51 | Vrbl 6 | 10.00 | A Few Clouds | FEW250 | 48.9 | 37 | 69.1 | 48.9 | 64% | 47 | 29.91 | 1012.7 | ||||
| 09 | 23:51 | Calm | 10.00 | A Few Clouds | FEW250 | 52 | 35.1 | 53% | 29.88 | 1011.7 | |||||||
| 09 | 22:51 | SE 3 | 10.00 | A Few Clouds | FEW250 | 52 | 33.1 | 49% | 29.85 | 1010.8 | |||||||
| 09 | 21:51 | Calm | 10.00 | A Few Clouds | FEW250 | 53.1 | 33.1 | 47% | 29.83 | 1010.2 | |||||||
| 09 | 20:51 | NE 10 | 10.00 | A Few Clouds | FEW090 FEW250 | 55 | 33.1 | 44% | 29.8 | 1009.0 | |||||||
| 09 | 19:51 | NE 12 | 10.00 | Partly Cloudy | FEW090 SCT250 | 57.9 | 34 | 41% | 29.75 | 1007.5 | |||||||
| 09 | 18:51 | NW 16 G 26 | 10.00 | Mostly Cloudy | SCT090 BKN250 | 69.1 | 34 | 75 | 69.1 | 27% | 29.7 | 1005.7 | |||||
| 09 | 17:51 | W 18 G 30 | 10.00 | Partly Cloudy | FEW090 SCT150 SCT250 | 72 | 34 | 25% | 29.68 | 1004.7 | |||||||
| 09 | 16:51 | NW 20 G 36 | 10.00 | Mostly Cloudy | SCT090 SCT130 BKN250 | 72 | 33.1 | 24% | 29.65 | 1003.8 | |||||||
| 09 | 15:51 | W 17 G 35 | 10.00 | Mostly Cloudy | SCT090 BKN130 | 73 | 35.1 | 25% | 29.63 | 1003.1 | |||||||
| 09 | 14:51 | W 14 G 32 | 10.00 | Mostly Cloudy | BKN100 BKN130 | 75 | 35.1 | 23% | 76 | 29.64 | 1003.5 | ||||||
| 09 | 13:51 | W 15 G 26 | 10.00 | Mostly Cloudy | BKN110 BKN130 | 72 | 32 | 23% | 29.63 | 1003.2 | |||||||
| 09 | 12:51 | W 12 G 20 | 10.00 | Mostly Cloudy | FEW070 SCT110 BKN160 BKN250 | 70 | 33.1 | 72 | 53.1 | 26% | 29.64 | 1003.5 | |||||
| 09 | 11:51 | W 12 G 21 | 10.00 | Mostly Cloudy | FEW100 SCT160 BKN250 | 70 | 45 | 41% | 29.65 | 1003.7 | |||||||
| 09 | 10:51 | W 12 | 10.00 | Mostly Cloudy | FEW200 BKN250 | 66 | 46.9 | 50% | 29.65 | 1003.7 | |||||||
| 09 | 09:51 | SW 14 | 10.00 | A Few Clouds | FEW200 FEW250 | 63 | 48 | 58% | 29.64 | 1003.7 | |||||||
| 09 | 08:51 | SW 14 G 21 | 10.00 | Partly Cloudy | FEW110 SCT250 | 59 | 48.9 | 69% | 29.64 | 1003.5 | |||||||
| 09 | 07:51 | SW 12 | 10.00 | Partly Cloudy | FEW110 SCT250 | 55.9 | 48.9 | 77% | 29.64 | 1003.5 | |||||||
| 09 | 06:51 | SW 12 | 10.00 | Mostly Cloudy | SCT110 SCT230 BKN250 | 53.1 | 48.9 | 55.9 | 52 | 86% | 29.64 | 1003.5 | |||||
| 09 | 05:51 | SW 10 | 10.00 | Mostly Cloudy | SCT110 BKN250 | 54 | 48.9 | 83% | 29.62 | 1002.7 | |||||||
| 09 | 04:51 | SW 12 | 10.00 | Mostly Cloudy | BKN250 | 53.1 | 48.9 | 86% | 29.62 | 1003.0 | |||||||
| 09 | 03:51 | SW 9 | 10.00 | Mostly Cloudy | BKN250 | 53.1 | 48.9 | 86% | 29.64 | 1003.5 | |||||||
| 09 | 02:51 | SW 12 | 10.00 | A Few Clouds | FEW250 | 53.1 | 48.9 | 86% | 29.64 | 1003.6 | |||||||
| 09 | 01:51 | SW 10 | 10.00 | Fair | CLR | 55 | 48.9 | 80% | 29.66 | 1004.4 | |||||||
| 09 | 00:51 | SW 12 | 10.00 | A Few Clouds | FEW250 | 55.9 | 48.9 | 61 | 55 | 77% | 29.68 | 1005.0 | |||||
| 08 | 23:51 | SW 10 | 10.00 | A Few Clouds | FEW250 | 57 | 48.9 | 74% | 29.68 | 1004.9 | |||||||
| 08 | 22:51 | S 12 | 10.00 | Mostly Cloudy | BKN250 | 59 | 46.9 | 64% | 29.69 | 1005.2 | |||||||
| 08 | 21:51 | S 8 | 10.00 | Mostly Cloudy | BKN250 | 55.9 | 43 | 62% | 29.69 | 1005.5 | |||||||
| 08 | 20:51 | SE 6 | 10.00 | Mostly Cloudy | BKN250 | 55.9 | 43 | 62% | 29.69 | 1005.5 | |||||||
| 08 | 19:51 | SE 10 | 10.00 | Mostly Cloudy | FEW070 BKN250 | 59 | 44.1 | 58% | 29.69 | 1005.4 | |||||||
| 08 | 18:51 | E 8 | 10.00 | Mostly Cloudy | SCT065 BKN085 BKN250 | 61 | 45 | 66.9 | 61 | 56% | 29.69 | 1005.6 | |||||
| 08 | 17:51 | SE 13 | 10.00 | Mostly Cloudy | SCT060 BKN080 BKN250 | 63 | 46.9 | 56% | 29.7 | 1005.8 | |||||||
| 08 | 16:51 | E 12 | 10.00 | Mostly Cloudy | BKN070 BKN250 | 64 | 46 | 52% | 29.71 | 1006.1 | |||||||
| 08 | 15:51 | SE 9 | 10.00 | Mostly Cloudy | BKN085 BKN250 | 66 | 46 | 49% | 29.71 | 1006.1 | |||||||
| 08 | 14:51 | S 9 | 10.00 | Mostly Cloudy | BKN070 BKN250 | 66 | 41 | 40% | 29.74 | 1007.1 | |||||||
| 08 | 13:51 | SE 6 | 10.00 | Mostly Cloudy | SCT065 BKN250 | 66 | 37.9 | 36% | 29.76 | 1007.8 | |||||||
| 08 | 12:51 | SE 5 | 10.00 | Mostly Cloudy | FEW050 BKN250 | 63 | 37.9 | 64 | 44.1 | 40% | 29.79 | 1008.6 | |||||
| 08 | 11:51 | SE 5 | 10.00 | Mostly Cloudy | FEW035 FEW090 SCT200 BKN250 | 63 | 34 | 34% | 29.81 | 1009.6 | |||||||
| 08 | 10:51 | S 5 | 10.00 | Mostly Cloudy | SCT085 BKN250 | 59 | 35.1 | 41% | 29.83 | 1010.3 | |||||||
| 08 | 09:51 | Vrbl 3 | 10.00 | Partly Cloudy | SCT090 | 55.9 | 41 | 57% | 29.85 | 1010.7 | |||||||
| 08 | 08:51 | Vrbl 3 | 8.00 | Mostly Cloudy | BKN085 | 52 | 44.1 | 75% | 29.85 | 1010.8 | |||||||
| 08 | 07:51 | E 5 | 7.00 | Mostly Cloudy | BKN095 | 48 | 43 | 83% | 47 | 29.85 | 1011.1 | ||||||
| 08 | 06:51 | Calm | 8.00 | Mostly Cloudy | BKN100 | 44.1 | 39.9 | 45 | 37.9 | 85% | 29.85 | 1011.1 | |||||
| 08 | 05:51 | Calm | 6.00 | Fog/Mist | SCT120 | 41 | 37.9 | 89% | 29.85 | 1010.9 | |||||||
| 08 | 04:51 | Calm | 7.00 | A Few Clouds | FEW110 | 41 | 37.9 | 89% | 29.85 | 1011.2 | |||||||
| 08 | 03:51 | N 5 | 7.00 | A Few Clouds | FEW110 | 41 | 37.9 | 89% | 38 | 29.85 | 1011.1 | ||||||
| 08 | 02:51 | Calm | 7.00 | A Few Clouds | FEW090 | 42.1 | 39.9 | 92% | 29.87 | 1011.4 | |||||||
| 08 | 01:51 | N 8 | 8.00 | A Few Clouds | FEW090 | 42.1 | 39.9 | 92% | 38 | 29.87 | 1011.6 | ||||||
| 08 | 00:51 | N 3 | 10.00 | A Few Clouds | FEW085 | 44.1 | 41 | 57.9 | 43 | 89% | 29.86 | 1011.4 | |||||
| 07 | 23:51 | Calm | 10.00 | Fair | CLR | 46.9 | 42.1 | 83% | 29.86 | 1011.1 | |||||||
| 07 | 22:51 | Calm | 10.00 | A Few Clouds | FEW080 | 50 | 39.9 | 68% | 29.84 | 1010.6 | |||||||
| 07 | 21:51 | S 5 | 10.00 | A Few Clouds | FEW070 | 53.1 | 39.9 | 61% | 29.83 | 1010.3 | |||||||
| 07 | 20:51 | S 3 | 10.00 | A Few Clouds | FEW070 | 55 | 36 | 49% | 29.82 | 1009.9 | |||||||
| 07 | 19:51 | SW 7 | 10.00 | A Few Clouds | FEW060 FEW090 | 57 | 36 | 45% | 29.8 | 1009.3 | |||||||
| 07 | 18:51 | SW 8 | 10.00 | Partly Cloudy | FEW060 FEW090 SCT250 | 57.9 | 37.9 | 60.1 | 50 | 48% | 29.8 | 1009.2 | 0.02 | ||||
| 07 | 17:51 | S 7 | 10.00 | Mostly Cloudy | FEW047 SCT065 BKN250 | 55.9 | 41 | 57% | 29.81 | 1009.6 | 0.01 | ||||||
| 07 | 16:51 | N 8 | 10.00 | Thunderstorm Light Rain | BKN048CB BKN065 BKN250 | 51.1 | 39 | 64% | 29.84 | 1010.7 | 0.01 | ||||||
| 07 | 15:51 | W 25 G 39 | 10.00 | Thunderstorm Light Rain and Breezy | BKN055CB BKN075 BKN250 | 55 | 36 | 49% | 29.81 | 1009.7 | |||||||
| 07 | 14:51 | SW 16 G 32 | 10.00 | Mostly Cloudy | SCT049 BKN065 BKN250 | 59 | 37 | 44% | 29.84 | 1010.5 | |||||||
| 07 | 13:51 | SW 21 G 35 | 10.00 | Mostly Cloudy and Breezy | BKN070CB BKN090 BKN250 | 59 | 30.9 | 35% | 29.85 | 1011.0 | |||||||
| 07 | 12:51 | SW 10 G 20 | 10.00 | Mostly Cloudy | FEW070 BKN085 BKN250 | 57.9 | 28.9 | 59 | 39 | 33% | 29.88 | 1012.0 | |||||
| 07 | 11:51 | SW 14 G 21 | 10.00 | Mostly Cloudy | SCT100 SCT160 BKN250 | 55.9 | 26.1 | 32% | 29.91 | 1013.1 | |||||||
| 07 | 10:51 | W 8 | 10.00 | A Few Clouds | FEW090 FEW250 | 54 | 26.1 | 34% | 29.94 | 1014.2 | |||||||
| 07 | 09:51 | SW 9 | 10.00 | A Few Clouds | FEW090 | 50 | 25 | 38% | 47 | 29.97 | 1015.0 | ||||||
| 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) | |||||||||||||||