Weather observations for the past three days for
Chicago, Chicago-O'Hare International Airport
| Date | Time (cst) | 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. | ||||||||||||||||
| 18 | 02:51 | E 9 | 10.00 | Light Rain | OVC070 | 41 | 35.1 | 79% | 36 | 30.04 | 1017.7 | 0.02 | 0.11 | ||||
| 18 | 01:51 | E 6 | 7.00 | Light Rain | OVC070 | 41 | 35.1 | 79% | 38 | 30.08 | 1018.9 | 0.07 | |||||
| 18 | 00:51 | S 3 | 7.00 | Rain | OVC070 | 42.1 | 33.1 | 71% | 30.09 | 1019.2 | 0.02 | ||||||
| 17 | 23:51 | E 5 | 10.00 | Overcast | SCT075 BKN095 OVC140 | 43 | 32 | 43 | 39.9 | 65% | 41 | 30.07 | 1018.5 | ||||
| 17 | 22:51 | SE 8 | 10.00 | Overcast | BKN110 OVC250 | 43 | 30.9 | 63% | 39 | 30.06 | 1018.4 | ||||||
| 17 | 21:51 | SE 5 | 10.00 | Mostly Cloudy | BKN110 BKN140 | 42.1 | 28.9 | 60% | 40 | 30.07 | 1018.7 | ||||||
| 17 | 20:51 | E 6 | 10.00 | Partly Cloudy | SCT110 | 41 | 27 | 57% | 38 | 30.06 | 1018.2 | ||||||
| 17 | 19:51 | E 5 | 10.00 | Mostly Cloudy | BKN110 BKN150 | 43 | 25 | 49% | 41 | 30.06 | 1018.6 | ||||||
| 17 | 18:51 | E 3 | 10.00 | Mostly Cloudy | BKN140 BKN160 BKN250 | 42.1 | 25 | 51% | 30.06 | 1018.6 | |||||||
| 17 | 17:51 | E 6 | 10.00 | Mostly Cloudy | FEW120 BKN140 BKN220 | 43 | 24.1 | 46.9 | 42.1 | 47% | 40 | 30.06 | 1018.3 | ||||
| 17 | 16:51 | Calm | 10.00 | Mostly Cloudy | SCT070 BKN130 BKN250 | 45 | 18 | 34% | 30.06 | 1018.2 | |||||||
| 17 | 15:51 | Calm | 10.00 | Mostly Cloudy | FEW065 BKN120 BKN180 | 46 | 17.1 | 31% | 30.06 | 1018.3 | |||||||
| 17 | 14:51 | SW 5 | 10.00 | Mostly Cloudy | SCT065 BKN130 BKN180 | 46 | 18 | 33% | 44 | 30.07 | 1018.6 | ||||||
| 17 | 13:51 | Vrbl 6 | 10.00 | Mostly Cloudy | BKN070 | 46.9 | 19 | 33% | 45 | 30.07 | 1018.7 | ||||||
| 17 | 12:51 | Calm | 10.00 | Mostly Cloudy | BKN060 BKN110 | 46 | 18 | 33% | 30.08 | 1019.0 | |||||||
| 17 | 11:51 | E 5 | 10.00 | Partly Cloudy | FEW060 FEW110 SCT180 | 45 | 18 | 46 | 30.9 | 34% | 43 | 30.08 | 1019.2 | ||||
| 17 | 10:51 | Calm | 10.00 | A Few Clouds | FEW060 FEW110 FEW250 | 43 | 18 | 37% | 30.09 | 1019.5 | |||||||
| 17 | 09:51 | Calm | 10.00 | A Few Clouds | FEW060 FEW250 | 42.1 | 18 | 38% | 30.12 | 1020.3 | |||||||
| 17 | 08:51 | N 3 | 10.00 | A Few Clouds | FEW060 FEW200 | 37.9 | 18 | 44% | 30.11 | 1020.2 | |||||||
| 17 | 07:51 | Calm | 10.00 | A Few Clouds | FEW060 FEW200 | 34 | 19 | 54% | 30.1 | 1020.0 | |||||||
| 17 | 06:51 | NW 3 | 10.00 | A Few Clouds | FEW070 FEW220 | 32 | 18 | 56% | 30.08 | 1019.2 | |||||||
| 17 | 05:51 | NW 6 | 10.00 | A Few Clouds | FEW220 | 33.1 | 18 | 37 | 32 | 54% | 28 | 30.07 | 1018.8 | ||||
| 17 | 04:51 | W 6 | 10.00 | A Few Clouds | FEW230 | 34 | 18 | 52% | 29 | 30.06 | 1018.2 | ||||||
| 17 | 03:51 | NW 8 | 10.00 | Partly Cloudy | SCT250 | 36 | 17.1 | 46% | 30 | 30.03 | 1017.3 | ||||||
| 17 | 02:51 | NW 7 | 10.00 | Partly Cloudy | SCT250 | 35.1 | 17.1 | 48% | 30 | 30.02 | 1016.9 | ||||||
| 17 | 01:51 | NW 9 | 10.00 | A Few Clouds | FEW250 | 36 | 17.1 | 46% | 30 | 30 | 1016.5 | ||||||
| 17 | 00:51 | NW 7 | 10.00 | Fair | CLR | 36 | 18 | 48% | 31 | 29.99 | 1016.1 | ||||||
| 16 | 23:51 | W 7 | 10.00 | Fair | CLR | 36 | 18 | 44.1 | 36 | 48% | 31 | 29.98 | 1015.8 | ||||
| 16 | 22:51 | NW 7 | 10.00 | Fair | CLR | 37.9 | 17.1 | 43% | 33 | 29.98 | 1015.6 | ||||||
| 16 | 21:51 | W 7 | 10.00 | Fair | CLR | 37.9 | 17.1 | 43% | 33 | 29.97 | 1015.3 | ||||||
| 16 | 20:51 | W 7 | 10.00 | Fair | CLR | 39.9 | 17.1 | 40% | 36 | 29.96 | 1015.1 | ||||||
| 16 | 19:51 | W 9 | 10.00 | Fair | CLR | 41 | 17.1 | 38% | 36 | 29.95 | 1014.6 | ||||||
| 16 | 18:51 | W 7 | 10.00 | Fair | CLR | 41 | 16 | 36% | 37 | 29.94 | 1014.4 | ||||||
| 16 | 17:51 | W 6 | 10.00 | A Few Clouds | FEW250 | 44.1 | 14 | 48.9 | 44.1 | 30% | 41 | 29.94 | 1014.3 | ||||
| 16 | 16:51 | W 10 | 10.00 | A Few Clouds | FEW250 | 45 | 12.9 | 27% | 40 | 29.93 | 1013.9 | ||||||
| 16 | 15:51 | NW 14 G 23 | 10.00 | A Few Clouds | FEW250 | 48 | 12.9 | 24% | 43 | 29.93 | 1013.9 | ||||||
| 16 | 14:51 | W 9 G 22 | 10.00 | A Few Clouds | FEW250 | 48 | 12.9 | 24% | 44 | 29.91 | 1013.3 | ||||||
| 16 | 13:51 | W 14 G 24 | 10.00 | A Few Clouds | FEW250 | 48 | 14 | 25% | 43 | 29.91 | 1012.9 | ||||||
| 16 | 12:51 | NW 10 G 23 | 10.00 | A Few Clouds | FEW250 | 48 | 12.9 | 24% | 44 | 29.91 | 1012.9 | ||||||
| 16 | 11:51 | NW 13 G 22 | 10.00 | A Few Clouds | FEW250 | 46 | 10.9 | 46.9 | 37 | 24% | 41 | 29.91 | 1013.2 | ||||
| 16 | 10:51 | NW 13 | 10.00 | A Few Clouds | FEW250 | 44.1 | 10.9 | 26% | 38 | 29.94 | 1013.9 | ||||||
| 16 | 09:51 | NW 15 G 23 | 10.00 | A Few Clouds | FEW250 | 42.1 | 12.9 | 30% | 35 | 29.95 | 1014.6 | ||||||
| 16 | 08:51 | NW 16 G 23 | 10.00 | Fair | CLR | 39.9 | 15.1 | 36% | 32 | 29.95 | 1014.3 | ||||||
| 16 | 07:51 | NW 13 | 10.00 | Fair | CLR | 37.9 | 15.1 | 39% | 31 | 29.91 | 1013.2 | ||||||
| 16 | 06:51 | NW 12 | 10.00 | Fair | CLR | 37 | 15.1 | 41% | 30 | 29.89 | 1012.3 | ||||||
| 16 | 05:51 | NW 13 G 25 | 10.00 | Fair | CLR | 39 | 15.1 | 48.9 | 39 | 38% | 32 | 29.87 | 1011.6 | ||||
| 16 | 04:51 | NW 13 G 25 | 10.00 | Fair | CLR | 39.9 | 14 | 35% | 33 | 29.85 | 1011.0 | ||||||
| 16 | 03:51 | NW 12 G 21 | 10.00 | Fair | CLR | 42.1 | 15.1 | 33% | 36 | 29.82 | 1009.9 | ||||||
| 16 | 02:51 | NW 17 G 28 | 10.00 | Fair | CLR | 43 | 15.1 | 32% | 36 | 29.81 | 1009.5 | ||||||
| 16 | 01:51 | NW 15 G 24 | 10.00 | Fair | CLR | 45 | 16 | 31% | 39 | 29.79 | 1008.6 | ||||||
| 16 | 00:51 | NW 14 G 24 | 10.00 | Fair | CLR | 46.9 | 16 | 29% | 42 | 29.76 | 1007.7 | ||||||
| 15 | 23:51 | NW 20 G 30 | 10.00 | A Few Clouds | FEW200 | 48.9 | 18 | 62.1 | 48.9 | 29% | 43 | 29.74 | 1007.2 | ||||
| 15 | 22:51 | NW 15 | 10.00 | Partly Cloudy | SCT200 | 53.1 | 32 | 45% | 29.72 | 1006.2 | |||||||
| 15 | 21:51 | NW 12 | 10.00 | Mostly Cloudy | BKN200 | 54 | 35.1 | 49% | 29.7 | 1005.6 | |||||||
| 15 | 20:51 | NW 10 G 21 | 10.00 | Mostly Cloudy | BKN210 | 55 | 36 | 49% | 29.69 | 1005.2 | |||||||
| 15 | 19:51 | NW 14 G 24 | 10.00 | A Few Clouds | FEW250 | 57 | 37.9 | 49% | 29.66 | 1004.4 | |||||||
| 15 | 18:51 | NW 14 G 24 | 10.00 | Fair | CLR | 59 | 39 | 48% | 29.63 | 1003.2 | |||||||
| 15 | 17:51 | NW 10 G 22 | 10.00 | A Few Clouds | FEW250 | 62.1 | 39.9 | 71.1 | 62.1 | 44% | 29.6 | 1002.0 | |||||
| 15 | 16:51 | NW 16 G 25 | 10.00 | A Few Clouds | FEW060 FEW250 | 64.9 | 39.9 | 40% | 29.56 | 1000.9 | |||||||
| 15 | 15:51 | NW 16 G 29 | 10.00 | A Few Clouds | FEW060 FEW160 FEW250 | 68 | 41 | 38% | 29.54 | 1000.2 | |||||||
| 15 | 14:51 | W 17 G 26 | 10.00 | A Few Clouds | FEW060 FEW160 FEW250 | 70 | 46 | 42% | 29.51 | 998.9 | |||||||
| 15 | 13:51 | NW 14 G 28 | 10.00 | A Few Clouds | FEW160 FEW250 | 70 | 48 | 46% | 29.49 | 998.3 | |||||||
| 15 | 12:51 | W 12 G 23 | 10.00 | Partly Cloudy | FEW160 SCT250 | 66.9 | 51.1 | 57% | 29.49 | 998.5 | |||||||
| 15 | 11:51 | W 17 G 26 | 10.00 | Mostly Cloudy | BKN140 BKN250 | 64.9 | 54 | 64.9 | 60.1 | 68% | 29.49 | 998.5 | |||||
| 15 | 10:51 | W 15 G 28 | 10.00 | Mostly Cloudy | FEW019 BKN140 BKN250 | 63 | 55 | 76% | 29.5 | 998.8 | |||||||
| 15 | 09:51 | W 18 G 28 | 10.00 | Overcast | FEW020 SCT110 BKN150 OVC250 | 62.1 | 55.9 | 80% | 29.53 | 999.8 | |||||||
| 15 | 08:51 | SW 18 G 26 | 10.00 | Mostly Cloudy | FEW017 SCT190 BKN250 | 62.1 | 55.9 | 80% | 29.53 | 999.7 | |||||||
| 15 | 07:51 | SW 12 G 26 | 10.00 | Mostly Cloudy | FEW018 SCT170 BKN250 | 60.1 | 55 | 84% | 29.54 | 1000.3 | |||||||
| 15 | 06:51 | SW 16 G 28 | 10.00 | Overcast | BKN190 OVC250 | 61 | 55 | 81% | 29.55 | 1000.4 | |||||||
| 15 | 05:51 | SW 16 G 31 | 10.00 | Overcast | BKN210 OVC250 | 61 | 55 | 62.1 | 60.1 | 81% | 29.55 | 1000.7 | |||||
| 15 | 04:51 | SW 21 G 29 | 10.00 | Overcast and Breezy | BKN200 OVC250 | 61 | 55 | 81% | 29.58 | 1001.3 | |||||||
| 15 | 03:51 | SW 14 G 22 | 10.00 | Overcast | OVC250 | 60.1 | 54 | 80% | 29.62 | 1002.7 | |||||||
| Date | Time (cst) | 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) | |||||||||||||||