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 | 02:51 | E 7 | 5.00 | Light Rain Fog/Mist | OVC065 | 43 | 41 | 93% | 39 | 30.09 | 1019.1 | 0.09 | |||||
| 10 | 01:51 | N 14 | 10.00 | Light Rain | OVC080 | 44.1 | 39 | 83% | 38 | 30.12 | 1020.1 | ||||||
| 10 | 00:51 | N 15 | 10.00 | Light Rain | OVC085 | 45 | 37.9 | 64.9 | 45 | 77% | 39 | 30.12 | 1020.0 | ||||
| 09 | 23:51 | N 13 | 10.00 | Overcast | SCT110 OVC150 | 48.9 | 39 | 69% | 44 | 30.09 | 1019.1 | ||||||
| 09 | 22:51 | N 10 | 10.00 | Overcast | SCT085 OVC110 | 52 | 41 | 66% | 30.11 | 1019.6 | |||||||
| 09 | 21:51 | W 5 | 10.00 | Overcast | FEW065 BKN080 OVC120 | 59 | 46 | 62% | 30.12 | 1019.8 | |||||||
| 09 | 20:51 | N 3 | 10.00 | Overcast | BKN085 OVC100 | 57.9 | 45 | 62% | 30.1 | 1019.3 | |||||||
| 09 | 19:51 | NW 8 | 10.00 | Overcast | BKN100 OVC250 | 57.9 | 46 | 65% | 30.11 | 1019.7 | |||||||
| 09 | 18:51 | NW 12 | 10.00 | Light Rain | BKN075 OVC250 | 64.9 | 43 | 70 | 64.9 | 45% | 30.13 | 1020.4 | 0.01 | 0.01 | |||
| 09 | 17:51 | W 8 | 10.00 | Overcast | BKN075 OVC250 | 68 | 39.9 | 36% | 30.11 | 1019.6 | |||||||
| 09 | 16:51 | SW 9 | 10.00 | Overcast | BKN075 OVC250 | 69.1 | 39 | 33% | 30.11 | 1019.4 | |||||||
| 09 | 15:51 | SW 8 G 22 | 10.00 | Overcast | FEW085 OVC250 | 70 | 39 | 32% | 30.1 | 1019.1 | |||||||
| 09 | 14:51 | W 16 G 21 | 10.00 | Mostly Cloudy | SCT085 BKN250 | 69.1 | 37 | 31% | 30.12 | 1019.8 | |||||||
| 09 | 13:51 | SW 8 | 10.00 | Mostly Cloudy | FEW085 BKN250 | 68 | 37.9 | 33% | 30.12 | 1019.8 | |||||||
| 09 | 12:51 | W 13 G 20 | 10.00 | Partly Cloudy | FEW110 SCT250 | 68 | 35.1 | 68 | 55 | 30% | 30.14 | 1020.3 | |||||
| 09 | 11:51 | W 8 G 21 | 10.00 | Partly Cloudy | FEW070 FEW110 SCT250 | 64.9 | 35.1 | 33% | 30.14 | 1020.6 | |||||||
| 09 | 10:51 | W 9 | 10.00 | Partly Cloudy | SCT110 SCT250 | 64 | 34 | 33% | 30.14 | 1020.6 | |||||||
| 09 | 09:51 | SW 8 | 10.00 | Partly Cloudy | FEW100 SCT140 | 61 | 36 | 39% | 30.12 | 1020.0 | |||||||
| 09 | 08:51 | SW 7 | 10.00 | Mostly Cloudy | SCT100 BKN130 | 57.9 | 42.1 | 56% | 30.12 | 1019.8 | |||||||
| 09 | 07:51 | SW 7 | 10.00 | Mostly Cloudy | BKN085 BKN110 | 55 | 45 | 69% | 30.11 | 1019.6 | |||||||
| 09 | 06:51 | S 3 | 10.00 | Mostly Cloudy | BKN100 BKN150 | 55 | 44.1 | 64.9 | 55 | 67% | 30.09 | 1018.6 | |||||
| 09 | 05:51 | SW 3 | 10.00 | Overcast | BKN100 OVC120 | 55.9 | 45 | 67% | 30.07 | 1018.0 | |||||||
| 09 | 04:51 | W 8 | 10.00 | Overcast | BKN090 OVC110 | 57.9 | 44.1 | 60% | 30.04 | 1017.0 | |||||||
| 09 | 03:51 | SW 16 G 25 | 10.00 | Overcast | FEW075 BKN100 OVC120 | 60.1 | 43 | 53% | 30.01 | 1015.8 | |||||||
| 09 | 02:51 | S 17 G 28 | 10.00 | Overcast | OVC090 | 61 | 42.1 | 50% | 29.97 | 1014.8 | |||||||
| 09 | 01:51 | S 21 G 37 | 10.00 | Overcast and Breezy | SCT055 BKN075 OVC090 | 61 | 42.1 | 50% | 30 | 1015.8 | |||||||
| 09 | 00:51 | S 17 G 28 | 10.00 | Overcast | OVC095 | 64 | 39 | 70 | 63 | 40% | 29.99 | 1015.4 | |||||
| 08 | 23:51 | S 18 G 31 | 10.00 | Mostly Cloudy | BKN110 BKN220 | 63 | 39 | 41% | 29.99 | 1015.6 | |||||||
| 08 | 22:51 | S 21 G 31 | 10.00 | Mostly Cloudy and Breezy | BKN220 | 63 | 39 | 41% | 30 | 1015.8 | |||||||
| 08 | 21:51 | S 18 G 31 | 10.00 | Mostly Cloudy | SCT170 BKN250 | 64 | 39 | 40% | 30 | 1015.9 | |||||||
| 08 | 20:51 | S 17 G 26 | 10.00 | Mostly Cloudy | FEW150 BKN250 | 66.9 | 39 | 36% | 30 | 1016.0 | |||||||
| 08 | 19:51 | S 14 G 25 | 10.00 | Mostly Cloudy | FEW080 FEW150 BKN250 | 68 | 37.9 | 33% | 29.99 | 1015.7 | |||||||
| 08 | 18:51 | S 21 G 37 | 10.00 | Partly Cloudy and Breezy | FEW080 FEW150 SCT250 | 70 | 37.9 | 71.1 | 62.1 | 31% | 29.98 | 1015.3 | |||||
| 08 | 17:51 | S 28 G 39 | 10.00 | Partly Cloudy and Windy | FEW080 FEW170 SCT250 | 71.1 | 37.9 | 30% | 29.98 | 1015.3 | |||||||
| 08 | 16:51 | S 24 G 36 | 10.00 | A Few Clouds and Breezy | FEW170 FEW250 | 71.1 | 39 | 31% | 30 | 1015.8 | |||||||
| 08 | 15:51 | S 21 G 38 | 10.00 | A Few Clouds and Breezy | FEW200 FEW250 | 70 | 37.9 | 31% | 30.02 | 1016.7 | |||||||
| 08 | 14:51 | S 18 G 37 | 10.00 | Partly Cloudy | FEW200 SCT250 | 68 | 37 | 32% | 30.05 | 1017.8 | |||||||
| 08 | 13:51 | S 21 G 33 | 10.00 | Mostly Cloudy and Breezy | FEW190 BKN250 | 64.9 | 35.1 | 33% | 30.09 | 1019.1 | |||||||
| 08 | 12:51 | S 21 G 30 | 10.00 | Overcast and Breezy | FEW180 SCT250 OVC300 | 62.1 | 34 | 62.1 | 37.9 | 35% | 30.12 | 1020.1 | |||||
| 08 | 11:51 | S 21 G 29 | 10.00 | Mostly Cloudy and Breezy | FEW130 BKN220 BKN300 | 55.9 | 30.9 | 39% | 30.15 | 1021.4 | |||||||
| 08 | 10:51 | S 16 G 28 | 10.00 | Mostly Cloudy | FEW130 BKN230 | 52 | 28 | 40% | 30.18 | 1022.5 | |||||||
| 08 | 09:51 | S 16 G 25 | 10.00 | Mostly Cloudy | FEW050 SCT150 BKN250 | 48 | 25 | 41% | 42 | 30.22 | 1023.7 | ||||||
| 08 | 08:51 | S 18 G 26 | 10.00 | Mostly Cloudy | FEW090 SCT140 BKN250 | 44.1 | 25 | 47% | 37 | 30.24 | 1024.6 | ||||||
| 08 | 07:51 | S 13 | 10.00 | Mostly Cloudy | BKN085 BKN140 BKN250 | 39.9 | 24.1 | 53% | 33 | 30.26 | 1025.2 | ||||||
| 08 | 06:51 | SE 13 | 10.00 | Overcast | SCT080 BKN130 OVC250 | 37.9 | 25 | 37.9 | 35.1 | 60% | 31 | 30.27 | 1025.7 | 0.01 | |||
| 08 | 05:51 | SE 12 | 10.00 | Overcast | BKN085 OVC140 | 37 | 25 | 62% | 30 | 30.28 | 1025.9 | ||||||
| 08 | 04:51 | SE 10 | 10.00 | Overcast | FEW060 BKN080 OVC120 | 36 | 26.1 | 67% | 29 | 30.29 | 1026.2 | ||||||
| 08 | 03:51 | SE 6 | 10.00 | Light Rain | FEW060 BKN075 OVC095 | 36 | 26.1 | 67% | 32 | 30.3 | 1026.7 | 0.01 | 0.01 | ||||
| 08 | 02:51 | SE 9 | 10.00 | Overcast | SCT060 BKN080 OVC120 | 37.9 | 21 | 51% | 32 | 30.31 | 1027.0 | ||||||
| 08 | 01:51 | SE 8 | 10.00 | Overcast | BKN120 OVC250 | 37 | 21 | 52% | 32 | 30.32 | 1027.2 | ||||||
| 08 | 00:51 | SE 6 | 10.00 | Overcast | FEW080 BKN120 OVC250 | 35.1 | 27 | 35.1 | 32 | 72% | 31 | 30.33 | 1027.9 | ||||
| 07 | 23:51 | E 9 | 10.00 | Mostly Cloudy | BKN130 BKN250 | 34 | 26.1 | 73% | 27 | 30.35 | 1028.4 | ||||||
| 07 | 22:51 | E 8 | 10.00 | Overcast | SCT140 OVC250 | 34 | 24.1 | 67% | 28 | 30.37 | 1029.3 | ||||||
| 07 | 21:51 | E 7 | 10.00 | Overcast | SCT130 OVC250 | 33.1 | 23 | 66% | 28 | 30.39 | 1029.7 | ||||||
| 07 | 20:51 | E 9 | 10.00 | Overcast | FEW110 OVC250 | 32 | 21 | 64% | 25 | 30.39 | 1029.8 | ||||||
| 07 | 19:51 | E 8 | 10.00 | Overcast | FEW100 OVC250 | 33.1 | 19 | 56% | 27 | 30.4 | 1030.1 | ||||||
| 07 | 18:51 | E 8 | 10.00 | Overcast | FEW120 OVC250 | 34 | 18 | 39 | 34 | 52% | 28 | 30.4 | 1030.4 | ||||
| 07 | 17:51 | E 12 | 10.00 | Mostly Cloudy | BKN250 | 37 | 16 | 42% | 30 | 30.41 | 1030.7 | ||||||
| 07 | 16:51 | E 9 | 10.00 | Mostly Cloudy | BKN250 | 37.9 | 9 | 30% | 32 | 30.42 | 1031.0 | ||||||
| 07 | 15:51 | E 10 | 10.00 | Mostly Cloudy | BKN250 | 37 | 15.1 | 41% | 30 | 30.44 | 1031.5 | ||||||
| 07 | 14:51 | E 9 | 10.00 | Mostly Cloudy | BKN250 | 37.9 | 16 | 41% | 32 | 30.47 | 1032.4 | ||||||
| 07 | 13:51 | E 10 | 10.00 | A Few Clouds | FEW040 FEW250 | 37 | 17.1 | 44% | 30 | 30.49 | 1033.3 | ||||||
| 07 | 12:51 | E 12 | 10.00 | A Few Clouds | FEW040 FEW250 | 36 | 16 | 36 | 28 | 44% | 29 | 30.51 | 1033.7 | ||||
| 07 | 11:51 | NE 12 G 17 | 10.00 | A Few Clouds | FEW038 | 34 | 15.1 | 46% | 26 | 30.53 | 1034.5 | ||||||
| 07 | 10:51 | E 9 G 16 | 10.00 | A Few Clouds | FEW038 | 35.1 | 15.1 | 44% | 29 | 30.54 | 1034.9 | ||||||
| 07 | 09:51 | E 12 | 10.00 | A Few Clouds | FEW037 | 33.1 | 15.1 | 48% | 25 | 30.53 | 1034.6 | ||||||
| 07 | 08:51 | E 10 | 10.00 | A Few Clouds | FEW036 FEW250 | 32 | 15.1 | 50% | 24 | 30.52 | 1034.2 | ||||||
| 07 | 07:51 | NE 15 | 10.00 | A Few Clouds | FEW035 FEW250 | 30 | 12.9 | 49% | 20 | 30.5 | 1033.6 | ||||||
| 07 | 06:51 | NE 12 | 10.00 | A Few Clouds | FEW035 FEW250 | 28.9 | 14 | 33.1 | 28 | 54% | 20 | 30.48 | 1032.8 | ||||
| 07 | 05:51 | NE 14 | 10.00 | A Few Clouds | FEW032 FEW250 | 28.9 | 16 | 58% | 19 | 30.46 | 1032.1 | ||||||
| 07 | 04:51 | NE 17 | 10.00 | Partly Cloudy | FEW032 SCT250 | 30 | 18 | 61% | 19 | 30.44 | 1031.4 | ||||||
| 07 | 03:51 | NE 13 | 10.00 | Partly Cloudy | SCT031 SCT250 | 30 | 18 | 61% | 21 | 30.43 | 1031.0 | ||||||
| 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) | |||||||||||||||