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. | ||||||||||||||||
| 07 | 01:51 | W 6 | 10.00 | A Few Clouds | FEW250 | 39.9 | 26.1 | 58% | 36 | 29.98 | 1015.4 | ||||||
| 07 | 00:51 | SW 5 | 10.00 | Fair | CLR | 41 | 26.1 | 52 | 41 | 55% | 38 | 29.98 | 1015.6 | ||||
| 06 | 23:51 | W 3 | 10.00 | Fair | CLR | 43 | 25 | 49% | 29.99 | 1015.7 | |||||||
| 06 | 22:51 | NW 6 | 10.00 | Fair | CLR | 44.1 | 24.1 | 45% | 41 | 29.98 | 1015.6 | ||||||
| 06 | 21:51 | NW 8 | 10.00 | Fair | CLR | 46 | 24.1 | 42% | 42 | 29.98 | 1015.5 | ||||||
| 06 | 20:51 | W 9 | 10.00 | Fair | CLR | 46.9 | 23 | 39% | 43 | 29.96 | 1014.9 | ||||||
| 06 | 19:51 | NW 14 G 22 | 10.00 | A Few Clouds | FEW075 FEW250 | 48.9 | 24.1 | 38% | 44 | 29.95 | 1014.5 | ||||||
| 06 | 18:51 | W 20 G 29 | 10.00 | Mostly Cloudy | BKN075 BKN250 | 52 | 24.1 | 57.9 | 52 | 34% | 29.93 | 1013.8 | |||||
| 06 | 17:51 | W 15 G 23 | 10.00 | Mostly Cloudy | BKN070 BKN250 | 54 | 25 | 33% | 29.92 | 1013.4 | |||||||
| 06 | 16:51 | W 14 G 29 | 10.00 | Mostly Cloudy | BKN070 BKN250 | 55 | 25 | 31% | 29.91 | 1013.0 | |||||||
| 06 | 15:51 | SW 12 G 28 | 10.00 | Mostly Cloudy | BKN075 BKN250 | 55.9 | 24.1 | 29% | 29.9 | 1012.9 | |||||||
| 06 | 14:51 | W 10 G 23 | 10.00 | Mostly Cloudy | BKN075 BKN250 | 57 | 24.1 | 28% | 29.92 | 1013.2 | |||||||
| 06 | 13:51 | W 17 G 28 | 10.00 | Mostly Cloudy | BKN075 BKN250 | 55 | 25 | 31% | 29.93 | 1013.5 | |||||||
| 06 | 12:51 | W 10 G 20 | 10.00 | Mostly Cloudy | BKN070 BKN250 | 54 | 24.1 | 55 | 45 | 31% | 29.93 | 1013.5 | |||||
| 06 | 11:51 | W 14 G 25 | 10.00 | Mostly Cloudy | BKN070 BKN250 | 54 | 23 | 30% | 29.93 | 1013.8 | |||||||
| 06 | 10:51 | W 12 | 10.00 | Mostly Cloudy | SCT070 SCT190 BKN250 | 53.1 | 23 | 31% | 29.93 | 1013.8 | |||||||
| 06 | 09:51 | W 9 | 10.00 | Mostly Cloudy | FEW060 FEW200 BKN250 | 52 | 24.1 | 34% | 29.94 | 1013.9 | |||||||
| 06 | 08:51 | Calm | 10.00 | Mostly Cloudy | FEW210 BKN250 | 50 | 26.1 | 39% | 29.93 | 1013.8 | |||||||
| 06 | 07:51 | Calm | 10.00 | Mostly Cloudy | BKN250 | 46.9 | 27 | 46% | 29.91 | 1013.1 | |||||||
| 06 | 06:51 | Calm | 10.00 | Mostly Cloudy | FEW200 BKN250 | 45 | 32 | 48.9 | 41 | 61% | 29.9 | 1012.6 | |||||
| 06 | 05:51 | NW 3 | 10.00 | Mostly Cloudy | FEW110 BKN200 | 43 | 28.9 | 58% | 29.88 | 1012.1 | |||||||
| 06 | 04:51 | N 3 | 10.00 | Mostly Cloudy | FEW110 BKN210 | 42.1 | 28 | 58% | 29.86 | 1011.5 | |||||||
| 06 | 03:51 | N 3 | 10.00 | Mostly Cloudy | BKN240 | 42.1 | 28 | 58% | 29.87 | 1011.7 | |||||||
| 06 | 02:51 | N 5 | 10.00 | A Few Clouds | FEW140 | 44.1 | 28.9 | 55% | 42 | 29.85 | 1011.1 | ||||||
| 06 | 01:51 | N 10 | 10.00 | Partly Cloudy | FEW140 SCT250 | 46.9 | 28.9 | 50% | 43 | 29.84 | 1010.7 | ||||||
| 05 | 23:51 | N 9 | 10.00 | Overcast | FEW110 BKN140 OVC250 | 48.9 | 28.9 | 46% | 45 | 29.82 | 1010.1 | ||||||
| 05 | 22:51 | N 12 | 10.00 | Overcast | FEW110 BKN140 OVC250 | 52 | 26.1 | 37% | 29.82 | 1010.0 | |||||||
| 05 | 21:51 | W 5 | 10.00 | Overcast | BKN140 BKN200 OVC250 | 53.1 | 27 | 37% | 29.81 | 1009.7 | |||||||
| 05 | 20:51 | NW 7 | 10.00 | Overcast | BKN140 BKN200 OVC250 | 54 | 27 | 35% | 29.79 | 1008.9 | |||||||
| 05 | 19:51 | NW 10 | 10.00 | Overcast | BKN120 BKN170 OVC250 | 54 | 25 | 33% | 29.77 | 1008.3 | |||||||
| 05 | 18:51 | NW 13 | 10.00 | Overcast | BKN120 BKN160 OVC250 | 55 | 23 | 57 | 55 | 29% | 29.77 | 1008.1 | |||||
| 05 | 17:51 | NW 14 G 18 | 10.00 | Overcast | FEW100 BKN140 OVC250 | 55.9 | 24.1 | 29% | 29.78 | 1008.4 | |||||||
| 05 | 16:51 | NW 9 | 10.00 | Overcast | FEW100 BKN170 OVC250 | 55.9 | 23 | 28% | 29.78 | 1008.5 | |||||||
| 05 | 15:51 | W 12 G 20 | 10.00 | Overcast | FEW095 BKN150 OVC250 | 55.9 | 21.9 | 27% | 29.78 | 1008.5 | |||||||
| 05 | 14:51 | W 6 | 10.00 | Overcast | FEW090 BKN160 OVC250 | 55.9 | 21.9 | 27% | 29.79 | 1008.6 | |||||||
| 05 | 13:51 | W 10 G 17 | 10.00 | Overcast | FEW090 BKN160 OVC250 | 55.9 | 24.1 | 29% | 29.8 | 1008.9 | |||||||
| 05 | 12:51 | W 10 | 10.00 | Overcast | FEW090 FEW170 OVC250 | 55 | 24.1 | 57 | 46.9 | 30% | 29.79 | 1008.6 | 0.02 | ||||
| 05 | 11:51 | W 14 G 20 | 10.00 | Mostly Cloudy | FEW060 FEW150 BKN250 | 55.9 | 28 | 34% | 29.78 | 1008.2 | |||||||
| 05 | 10:51 | NW 10 | 10.00 | Mostly Cloudy | FEW085 SCT200 BKN250 | 54 | 28 | 37% | 29.78 | 1008.4 | |||||||
| 05 | 09:51 | NW 6 | 10.00 | Mostly Cloudy | FEW080 FEW100 BKN180 BKN250 | 52 | 27 | 38% | 29.78 | 1008.2 | 0.02 | ||||||
| 05 | 08:51 | SW 7 | 10.00 | Mostly Cloudy | FEW050 SCT080 SCT160 BKN250 | 50 | 35.1 | 57% | 48 | 29.81 | 1009.2 | ||||||
| 05 | 07:51 | NW 9 | 10.00 | Light Rain | BKN045 BKN075 OVC250 | 46.9 | 36 | 66% | 43 | 29.78 | 1008.5 | 0.02 | |||||
| 05 | 06:51 | NW 6 | 10.00 | Light Rain | BKN050 BKN070 OVC250 | 48.9 | 34 | 61 | 48 | 56% | 47 | 29.77 | 1008.2 | 0.01 | 0.01 | ||
| 05 | 05:51 | N 15 | 10.00 | Overcast | FEW070 OVC100 | 50 | 30.9 | 48% | 45 | 29.73 | 1006.6 | ||||||
| 05 | 04:51 | NW 7 | 10.00 | Light Rain | FEW055 OVC100 | 51.1 | 33.1 | 50% | 29.71 | 1005.6 | |||||||
| 05 | 03:51 | NW 14 | 10.00 | Overcast | OVC100 | 55 | 32 | 42% | 29.67 | 1004.4 | |||||||
| 05 | 02:51 | NW 13 G 23 | 10.00 | Overcast | BKN110 OVC150 | 57 | 32 | 39% | 29.62 | 1002.6 | |||||||
| 05 | 01:51 | NW 10 | 10.00 | Overcast | BKN100 OVC150 | 59 | 30.9 | 35% | 29.6 | 1001.9 | |||||||
| 05 | 00:51 | NW 10 | 10.00 | Overcast | OVC100 | 61 | 30 | 64.9 | 61 | 31% | 29.59 | 1001.6 | |||||
| 04 | 23:51 | NW 12 | 10.00 | Mostly Cloudy | FEW100 BKN250 | 62.1 | 35.1 | 37% | 29.56 | 1000.5 | |||||||
| 04 | 22:51 | SW 12 | 10.00 | Mostly Cloudy | FEW100 BKN250 | 64 | 48.9 | 58% | 29.56 | 1000.5 | |||||||
| 04 | 21:51 | SW 14 G 21 | 10.00 | Overcast | FEW070 FEW100 SCT150 OVC250 | 63 | 51.1 | 65% | 29.54 | 1000.1 | |||||||
| 04 | 20:51 | SW 12 G 25 | 10.00 | Mostly Cloudy | FEW060 SCT100 BKN150 BKN250 | 64.9 | 52 | 63% | 29.5 | 998.7 | |||||||
| 04 | 19:51 | S 13 | 10.00 | Mostly Cloudy | FEW075 SCT120 BKN170 BKN250 | 64.9 | 53.1 | 66% | 29.48 | 998.0 | |||||||
| 04 | 18:51 | S 7 | 10.00 | Thunderstorm | FEW029 SCT075CB BKN110 BKN250 | 63 | 55 | 80.1 | 62.1 | 76% | 29.44 | 996.8 | 0.19 | 0.19 | |||
| 04 | 17:51 | SW 14 G 31 | 10.00 | Thunderstorm | BKN090CB BKN130 BKN250 | 73.9 | 46.9 | 38% | 29.45 | 997.1 | |||||||
| 04 | 16:51 | SW 20 G 33 | 10.00 | Mostly Cloudy | SCT090CB BKN130 BKN250 | 78.1 | 43 | 29% | 78 | 29.46 | 997.1 | ||||||
| 04 | 15:51 | SW 15 G 30 | 10.00 | Mostly Cloudy | BKN085 BKN110 BKN250 | 79 | 43 | 28% | 78 | 29.48 | 997.8 | ||||||
| 04 | 14:51 | SW 14 G 30 | 10.00 | Mostly Cloudy | SCT085 BKN100 BKN250 | 78.1 | 43 | 29% | 78 | 29.5 | 998.5 | ||||||
| 04 | 13:51 | W 17 G 26 | 10.00 | Partly Cloudy | FEW075 SCT250 | 78.1 | 41 | 27% | 78 | 29.51 | 999.0 | ||||||
| 04 | 12:51 | SW 16 G 30 | 10.00 | Partly Cloudy | FEW075 SCT250 | 75.9 | 39.9 | 75.9 | 53.1 | 27% | 77 | 29.53 | 999.6 | ||||
| 04 | 11:51 | SW 14 G 23 | 10.00 | A Few Clouds | FEW300 | 73.9 | 44.1 | 34% | 29.55 | 1000.3 | |||||||
| 04 | 10:51 | SW 17 | 10.00 | A Few Clouds | FEW300 | 71.1 | 43 | 36% | 29.58 | 1001.3 | |||||||
| 04 | 09:51 | S 12 | 10.00 | A Few Clouds | FEW300 | 66.9 | 41 | 39% | 29.6 | 1002.0 | |||||||
| 04 | 08:51 | S 12 | 10.00 | A Few Clouds | FEW300 | 62.1 | 43 | 50% | 29.62 | 1002.8 | |||||||
| 04 | 07:51 | SW 9 | 10.00 | A Few Clouds | FEW300 | 57 | 43 | 60% | 29.63 | 1003.3 | |||||||
| 04 | 06:51 | SW 7 | 10.00 | A Few Clouds | FEW300 | 53.1 | 43 | 57.9 | 51.1 | 69% | 29.64 | 1003.5 | |||||
| 04 | 05:51 | SW 9 | 10.00 | A Few Clouds | FEW250 | 51.1 | 42.1 | 71% | 29.64 | 1003.5 | |||||||
| 04 | 04:51 | SW 9 | 10.00 | A Few Clouds | FEW250 | 51.1 | 42.1 | 71% | 29.64 | 1003.7 | |||||||
| 04 | 03:51 | SW 7 | 10.00 | A Few Clouds | FEW250 | 52 | 42.1 | 69% | 29.64 | 1003.6 | |||||||
| 04 | 02:51 | SW 6 | 10.00 | Fair | CLR | 53.1 | 42.1 | 66% | 29.64 | 1003.5 | |||||||
| 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) | |||||||||||||||