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. | ||||||||||||||||
| 10 | 01:51 | S 12 | 10.00 | Mostly Cloudy | BKN250 | 37 | 27 | 67% | 30 | 29.8 | 1009.8 | ||||||
| 10 | 00:51 | S 13 G 20 | 10.00 | Mostly Cloudy | BKN250 | 37 | 27 | 67% | 30 | 29.83 | 1010.8 | ||||||
| 09 | 23:51 | S 13 G 21 | 10.00 | Overcast | BKN160 OVC250 | 37 | 27 | 37 | 36 | 67% | 30 | 29.86 | 1011.9 | ||||
| 09 | 22:51 | SW 12 | 10.00 | Overcast | BKN160 OVC250 | 36 | 26.1 | 67% | 29 | 29.88 | 1012.6 | ||||||
| 09 | 21:51 | S 10 | 10.00 | Overcast | SCT160 OVC250 | 36 | 25 | 64% | 29 | 29.87 | 1012.3 | ||||||
| 09 | 20:51 | S 14 G 21 | 10.00 | Overcast | BKN180 OVC250 | 37 | 24.1 | 59% | 29 | 29.9 | 1013.1 | ||||||
| 09 | 19:51 | S 8 | 10.00 | Overcast | SCT170 OVC240 | 37 | 23 | 57% | 32 | 29.93 | 1014.2 | ||||||
| 09 | 18:51 | S 9 | 10.00 | Overcast | SCT120 OVC250 | 37 | 23 | 57% | 31 | 29.94 | 1014.5 | ||||||
| 09 | 17:51 | S 6 | 10.00 | Overcast | SCT160 OVC250 | 37 | 21 | 37.9 | 32 | 52% | 33 | 29.98 | 1015.9 | ||||
| 09 | 16:51 | S 8 | 10.00 | Overcast | BKN140 OVC250 | 37 | 19.9 | 50% | 32 | 29.99 | 1016.1 | ||||||
| 09 | 15:51 | S 8 | 10.00 | Overcast | FEW150 OVC250 | 37.9 | 19 | 46% | 33 | 30.01 | 1017.0 | ||||||
| 09 | 14:51 | S 7 | 10.00 | Overcast | OVC250 | 37 | 19 | 48% | 32 | 30.02 | 1017.4 | ||||||
| 09 | 13:51 | S 9 | 10.00 | Overcast | FEW200 OVC250 | 36 | 17.1 | 46% | 30 | 30.03 | 1017.8 | ||||||
| 09 | 12:51 | S 9 | 10.00 | Mostly Cloudy | FEW210 BKN250 | 35.1 | 15.1 | 44% | 29 | 30.04 | 1018.2 | ||||||
| 09 | 11:51 | S 6 | 10.00 | Mostly Cloudy | BKN250 | 32 | 15.1 | 32 | 21.9 | 50% | 27 | 30.08 | 1019.5 | ||||
| 09 | 10:51 | S 7 | 10.00 | Mostly Cloudy | BKN250 | 30 | 15.1 | 54% | 24 | 30.12 | 1020.9 | ||||||
| 09 | 09:51 | S 6 | 10.00 | Mostly Cloudy | BKN250 | 27 | 15.1 | 61% | 21 | 30.15 | 1021.8 | ||||||
| 09 | 08:51 | SE 6 | 10.00 | Mostly Cloudy | BKN250 | 25 | 14 | 63% | 19 | 30.16 | 1022.4 | ||||||
| 09 | 07:51 | SE 8 | 10.00 | Partly Cloudy | SCT250 | 23 | 14 | 68% | 15 | 30.17 | 1022.6 | ||||||
| 09 | 06:51 | SE 7 | 10.00 | Partly Cloudy | SCT250 | 21.9 | 15.1 | 75% | 14 | 30.19 | 1023.3 | ||||||
| 09 | 05:51 | SE 6 | 10.00 | Mostly Cloudy | BKN250 | 23 | 15.1 | 26.1 | 21.9 | 72% | 17 | 30.2 | 1023.5 | ||||
| 09 | 04:51 | Calm | 10.00 | A Few Clouds | FEW060 FEW250 | 23 | 15.1 | 72% | 30.2 | 1023.8 | |||||||
| 09 | 03:51 | SE 6 | 10.00 | Partly Cloudy | FEW060 SCT240 | 24.1 | 16 | 71% | 18 | 30.18 | 1023.0 | ||||||
| 09 | 02:51 | SE 6 | 10.00 | Mostly Cloudy | BKN060 | 25 | 16 | 69% | 19 | 30.19 | 1023.1 | ||||||
| 09 | 01:51 | SE 6 | 10.00 | Overcast | OVC060 | 26.1 | 16 | 66% | 20 | 30.21 | 1024.0 | ||||||
| 09 | 00:51 | SE 6 | 10.00 | Overcast | OVC055 | 26.1 | 16 | 66% | 20 | 30.23 | 1024.6 | ||||||
| 08 | 23:51 | SE 9 | 10.00 | Overcast | OVC055 | 26.1 | 16 | 27 | 26.1 | 66% | 18 | 30.24 | 1025.0 | ||||
| 08 | 22:51 | SE 9 | 10.00 | Overcast | OVC055 | 26.1 | 16 | 66% | 18 | 30.26 | 1025.7 | ||||||
| 08 | 21:51 | SE 10 | 10.00 | Overcast | OVC060 | 26.1 | 16 | 66% | 17 | 30.28 | 1026.3 | ||||||
| 08 | 20:51 | SE 9 | 10.00 | Overcast | OVC060 | 26.1 | 17.1 | 69% | 18 | 30.27 | 1026.2 | ||||||
| 08 | 19:51 | SE 13 | 10.00 | Overcast | OVC060 | 27 | 17.1 | 66% | 17 | 30.28 | 1026.3 | ||||||
| 08 | 18:51 | SE 14 | 10.00 | Overcast | OVC060 | 27 | 17.1 | 66% | 16 | 30.28 | 1026.4 | ||||||
| 08 | 17:51 | E 15 | 10.00 | Mostly Cloudy | BKN060 | 27 | 18 | 30 | 27 | 69% | 16 | 30.27 | 1026.1 | ||||
| 08 | 16:51 | E 12 | 10.00 | Mostly Cloudy | FEW012 BKN060 | 28 | 17.1 | 63% | 19 | 30.27 | 1025.9 | ||||||
| 08 | 15:51 | E 12 | 10.00 | Mostly Cloudy | FEW012 BKN060 | 28 | 17.1 | 63% | 19 | 30.27 | 1025.9 | ||||||
| 08 | 14:51 | E 9 | 10.00 | Mostly Cloudy | FEW012 BKN060 | 30 | 16 | 56% | 22 | 30.27 | 1026.0 | ||||||
| 08 | 13:51 | SE 12 | 10.00 | Mostly Cloudy | FEW012 BKN065 | 30 | 15.1 | 54% | 21 | 30.28 | 1026.2 | ||||||
| 08 | 12:51 | SE 14 G 18 | 10.00 | Partly Cloudy | FEW012 SCT070 | 30 | 15.1 | 54% | 20 | 30.3 | 1026.9 | ||||||
| 08 | 11:51 | SE 9 | 10.00 | A Few Clouds | FEW012 FEW070 | 28 | 16 | 28.9 | 21 | 60% | 20 | 30.32 | 1027.7 | ||||
| 08 | 10:51 | SE 10 | 10.00 | A Few Clouds | FEW012 FEW070 | 27 | 16 | 63% | 18 | 30.35 | 1028.7 | ||||||
| 08 | 09:51 | SE 13 | 10.00 | A Few Clouds | FEW012 FEW070 | 25 | 16 | 69% | 14 | 30.34 | 1028.5 | ||||||
| 08 | 08:51 | SE 13 | 10.00 | A Few Clouds | FEW012 FEW060 FEW100 | 23 | 16 | 74% | 12 | 30.34 | 1028.4 | ||||||
| 08 | 07:51 | SE 9 | 9.00 | A Few Clouds | FEW012 FEW100 FEW160 | 21.9 | 17.1 | 82% | 13 | 30.34 | 1028.4 | ||||||
| 08 | 06:51 | SE 8 | 10.00 | Mostly Cloudy | SCT013 SCT100 BKN160 | 21 | 16 | 81% | 12 | 30.33 | 1028.1 | ||||||
| 08 | 05:51 | SE 8 | 10.00 | Partly Cloudy | FEW012 FEW100 SCT160 | 21 | 16 | 23 | 21 | 81% | 12 | 30.32 | 1027.7 | ||||
| 08 | 04:51 | SE 8 | 10.00 | Overcast | FEW012 BKN100 OVC140 | 23 | 18 | 81% | 15 | 30.3 | 1027.2 | ||||||
| 08 | 03:51 | E 9 | 10.00 | Overcast | FEW012 OVC120 | 23 | 18 | 81% | 14 | 30.3 | 1027.0 | ||||||
| 08 | 02:51 | E 7 | 10.00 | Overcast | SCT012 OVC110 | 23 | 18 | 81% | 16 | 30.34 | 1028.4 | ||||||
| 08 | 01:51 | E 8 | 10.00 | Overcast | SCT012 OVC055 | 23 | 18 | 81% | 15 | 30.35 | 1028.9 | ||||||
| 08 | 00:51 | E 5 | 10.00 | Overcast | SCT010 OVC048 | 21.9 | 18 | 85% | 16 | 30.37 | 1029.4 | ||||||
| 07 | 23:51 | E 7 | 8.00 | Overcast | FEW020 OVC050 | 21.9 | 17.1 | 23 | 21 | 82% | 14 | 30.35 | 1028.9 | 0.01 | |||
| 07 | 22:51 | E 7 | 1.50 | Light Snow Fog/Mist | OVC020 | 21 | 17.1 | 85% | 13 | 30.35 | 1028.9 | 0.01 | |||||
| 07 | 21:51 | E 7 | 10.00 | Overcast | OVC042 | 23 | 10 | 57% | 16 | 30.35 | 1028.8 | ||||||
| 07 | 20:51 | E 7 | 10.00 | Overcast | BKN085 OVC110 | 23 | 10 | 57% | 16 | 30.35 | 1028.9 | ||||||
| 07 | 19:51 | E 7 | 10.00 | Overcast | BKN100 OVC200 | 21.9 | 8.1 | 55% | 14 | 30.35 | 1029.0 | ||||||
| 07 | 18:51 | E 10 | 10.00 | Overcast | BKN120 OVC200 | 21.9 | 8.1 | 55% | 12 | 30.36 | 1029.5 | ||||||
| 07 | 17:51 | E 8 | 10.00 | Mostly Cloudy | SCT150 BKN220 BKN250 | 21.9 | 8.1 | 25 | 21 | 55% | 13 | 30.37 | 1029.9 | ||||
| 07 | 16:51 | E 6 | 10.00 | Mostly Cloudy | FEW030 FEW100 SCT130 BKN220 BKN250 | 23 | 7 | 50% | 17 | 30.37 | 1029.7 | ||||||
| 07 | 15:51 | Calm | 10.00 | Mostly Cloudy | FEW030 FEW100 SCT130 BKN250 | 24.1 | -4 | 29% | 30.37 | 1029.6 | |||||||
| 07 | 14:51 | Calm | 10.00 | Mostly Cloudy | FEW030 FEW090 BKN130 BKN250 | 24.1 | -7.1 | 25% | 30.38 | 1029.9 | |||||||
| 07 | 13:51 | E 3 | 10.00 | Mostly Cloudy | FEW030 BKN130 BKN250 | 24.1 | -5.1 | 27% | 30.38 | 1029.9 | |||||||
| 07 | 12:51 | Calm | 10.00 | Partly Cloudy | FEW030 FEW150 SCT250 | 23 | -0.9 | 35% | 30.41 | 1030.9 | |||||||
| 07 | 11:51 | NE 5 | 10.00 | Partly Cloudy | FEW030 SCT250 | 21 | 1.9 | 21.9 | 12 | 43% | 15 | 30.43 | 1031.7 | ||||
| 07 | 10:51 | N 8 | 10.00 | A Few Clouds | FEW030 FEW250 | 19.9 | 6.1 | 55% | 11 | 30.44 | 1032.1 | ||||||
| 07 | 09:51 | NW 8 | 10.00 | A Few Clouds | FEW030 FEW250 | 18 | 5 | 57% | 9 | 30.44 | 1032.0 | ||||||
| 07 | 08:51 | N 9 | 10.00 | A Few Clouds | FEW030 | 15.1 | 3 | 59% | 4 | 30.41 | 1030.9 | ||||||
| 07 | 07:51 | N 12 | 10.00 | A Few Clouds | FEW030 | 12.9 | 1 | 59% | 0 | 30.39 | 1030.2 | ||||||
| 07 | 06:51 | NW 8 | 10.00 | A Few Clouds | FEW030 | 12 | -0.9 | 56% | 1 | 30.38 | 1030.0 | ||||||
| 07 | 05:51 | NW 10 | 10.00 | A Few Clouds | FEW030 | 12 | -0.9 | 19 | 12 | 56% | -0 | 30.37 | 1029.6 | ||||
| 07 | 04:51 | N 9 | 10.00 | Fair | CLR | 12 | -0.9 | 56% | 1 | 30.36 | 1029.2 | ||||||
| 07 | 03:51 | N 13 | 10.00 | Fair | CLR | 12.9 | -0.9 | 54% | -1 | 30.34 | 1028.3 | ||||||
| 07 | 02:51 | N 16 | 10.00 | Fair | CLR | 14 | -0.9 | 51% | -1 | 30.31 | 1027.4 | ||||||
| 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) | |||||||||||||||