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. | ||||||||||||||||
| 06 | 13:51 | NW 17 G 26 | 10.00 | Mostly Cloudy | BKN049 | 48 | 28.9 | 48% | 42 | 30.22 | 1023.7 | ||||||
| 06 | 12:51 | NW 20 G 31 | 10.00 | Mostly Cloudy | SCT040 BKN055 | 48.9 | 28.9 | 48.9 | 41 | 46% | 43 | 30.22 | 1023.7 | ||||
| 06 | 11:51 | NW 16 | 10.00 | Mostly Cloudy | FEW037 BKN048 | 48.9 | 32 | 52% | 44 | 30.23 | 1023.9 | ||||||
| 06 | 10:51 | W 14 | 10.00 | Mostly Cloudy | SCT032 BKN041 | 48 | 33.1 | 56% | 43 | 30.23 | 1023.9 | ||||||
| 06 | 09:51 | NW 15 | 10.00 | Mostly Cloudy | BKN023 | 45 | 34 | 66% | 39 | 30.22 | 1023.6 | ||||||
| 06 | 08:51 | NW 15 G 23 | 10.00 | Partly Cloudy | SCT020 | 43 | 35.1 | 74% | 36 | 30.21 | 1023.2 | ||||||
| 06 | 07:51 | NW 9 | 10.00 | A Few Clouds | FEW016 FEW045 | 42.1 | 35.1 | 76% | 37 | 30.19 | 1022.7 | ||||||
| 06 | 06:51 | NW 12 | 10.00 | A Few Clouds | FEW018 FEW045 | 41 | 36 | 44.1 | 41 | 82% | 35 | 30.16 | 1021.7 | 0.03 | |||
| 06 | 05:51 | NW 10 | 10.00 | Partly Cloudy | FEW012 SCT048 | 42.1 | 39 | 89% | 37 | 30.13 | 1020.5 | ||||||
| 06 | 04:51 | W 6 | 10.00 | Partly Cloudy | FEW033 SCT070 | 41 | 39 | 93% | 38 | 30.12 | 1020.1 | ||||||
| 06 | 03:51 | SW 5 | 10.00 | Partly Cloudy | FEW037 FEW048 SCT085 | 42.1 | 39.9 | 92% | 40 | 30.11 | 1019.8 | 0.03 | |||||
| 06 | 02:51 | W 7 | 10.00 | Mostly Cloudy | SCT037 BKN050 BKN075 | 43 | 39.9 | 89% | 39 | 30.12 | 1020.1 | 0.01 | |||||
| 06 | 01:51 | W 3 | 10.00 | Mostly Cloudy | SCT044 BKN055 BKN100 | 44.1 | 39 | 83% | 30.13 | 1020.5 | 0.02 | ||||||
| 06 | 00:51 | W 12 G 26 | 5.00 | Thunderstorm Rain Fog/Mist | BKN031 OVC044CB | 44.1 | 39 | 51.1 | 44.1 | 83% | 39 | 30.16 | 1021.5 | 0.05 | 0.05 | ||
| 05 | 23:51 | SW 13 | 10.00 | Light Rain | BKN050 BKN070 OVC120 | 46.9 | 33.1 | 59% | 42 | 30.13 | 1020.8 | ||||||
| 05 | 22:51 | SW 10 | 10.00 | Mostly Cloudy | FEW045 SCT100 BKN150 | 46 | 32 | 58% | 42 | 30.14 | 1021.2 | ||||||
| 05 | 21:51 | SW 7 | 10.00 | A Few Clouds | FEW045 | 46.9 | 30.9 | 54% | 44 | 30.14 | 1021.2 | ||||||
| 05 | 20:51 | SW 9 | 10.00 | Fair | CLR | 48 | 28.9 | 48% | 44 | 30.15 | 1021.5 | ||||||
| 05 | 19:51 | SW 9 | 10.00 | A Few Clouds | FEW250 | 48.9 | 27 | 43% | 45 | 30.15 | 1021.3 | ||||||
| 05 | 18:51 | W 9 | 10.00 | A Few Clouds | FEW035 FEW250 | 51.1 | 24.1 | 53.1 | 46.9 | 35% | 30.15 | 1021.2 | |||||
| 05 | 17:51 | W 9 G 21 | 10.00 | A Few Clouds | FEW035 FEW250 | 52 | 21.9 | 31% | 30.16 | 1021.5 | |||||||
| 05 | 16:51 | W 12 G 24 | 10.00 | A Few Clouds | FEW250 | 53.1 | 21.9 | 30% | 30.15 | 1021.3 | |||||||
| 05 | 15:51 | NW 15 G 24 | 10.00 | A Few Clouds | FEW035 | 53.1 | 21 | 28% | 30.15 | 1021.2 | |||||||
| 05 | 14:51 | NW 16 G 31 | 10.00 | A Few Clouds | FEW035 | 51.1 | 21 | 31% | 30.16 | 1021.6 | |||||||
| 05 | 13:51 | NW 17 G 25 | 10.00 | A Few Clouds | FEW035 | 48.9 | 21 | 33% | 43 | 30.15 | 1021.5 | ||||||
| 05 | 12:51 | W 17 G 24 | 10.00 | A Few Clouds | FEW032 | 46.9 | 25 | 46.9 | 37 | 42% | 41 | 30.16 | 1021.6 | ||||
| 05 | 11:51 | NW 15 | 10.00 | A Few Clouds | FEW032 | 45 | 28 | 52% | 39 | 30.15 | 1021.2 | ||||||
| 05 | 10:51 | W 8 G 28 | 10.00 | A Few Clouds | FEW032 | 43 | 28 | 56% | 39 | 30.14 | 1021.1 | ||||||
| 05 | 09:51 | W 15 G 24 | 10.00 | Partly Cloudy | SCT032 | 39.9 | 27 | 60% | 32 | 30.12 | 1020.4 | ||||||
| 05 | 08:51 | NW 16 G 24 | 10.00 | Mostly Cloudy | BKN026 BKN031 | 39 | 28 | 65% | 31 | 30.09 | 1019.4 | ||||||
| 05 | 07:51 | W 9 G 23 | 10.00 | Overcast | BKN029 OVC037 | 37 | 27 | 67% | 31 | 30.07 | 1018.6 | ||||||
| 05 | 06:51 | W 13 G 26 | 10.00 | Mostly Cloudy | FEW030 BKN043 | 37 | 28 | 41 | 37 | 70% | 30 | 30.04 | 1017.7 | ||||
| 05 | 05:51 | W 15 G 24 | 10.00 | Mostly Cloudy | FEW030 BKN038 BKN050 | 37.9 | 28 | 68% | 30 | 30.02 | 1016.9 | ||||||
| 05 | 04:51 | W 12 G 24 | 10.00 | Mostly Cloudy | SCT031 BKN049 | 39 | 28.9 | 67% | 32 | 30 | 1016.2 | ||||||
| 05 | 03:51 | W 16 G 26 | 10.00 | Mostly Cloudy | FEW034 BKN050 | 39 | 27 | 62% | 31 | 29.99 | 1015.7 | ||||||
| 05 | 02:51 | W 16 G 25 | 10.00 | Mostly Cloudy | FEW035 BKN055 | 39.9 | 27 | 60% | 32 | 29.97 | 1015.2 | ||||||
| 05 | 01:51 | W 15 G 29 | 10.00 | Mostly Cloudy | FEW035 BKN050 | 39.9 | 27 | 60% | 32 | 29.97 | 1015.2 | ||||||
| 05 | 00:51 | W 16 G 25 | 10.00 | Overcast | FEW023 BKN033 OVC045 | 41 | 30.9 | 43 | 41 | 67% | 33 | 29.97 | 1015.1 | ||||
| 04 | 23:51 | W 10 | 10.00 | Mostly Cloudy | BKN028 BKN050 | 41 | 32 | 70% | 35 | 29.96 | 1015.0 | ||||||
| 04 | 22:51 | W 12 G 22 | 10.00 | Mostly Cloudy | BKN031 BKN047 | 41 | 30.9 | 67% | 35 | 29.95 | 1014.7 | ||||||
| 04 | 21:51 | W 13 G 23 | 10.00 | Overcast | FEW036 OVC050 | 41 | 28.9 | 62% | 34 | 29.96 | 1014.9 | ||||||
| 04 | 20:51 | W 20 G 30 | 10.00 | Overcast | FEW030 BKN036 OVC047 | 42.1 | 28 | 58% | 34 | 29.96 | 1014.8 | ||||||
| 04 | 19:51 | W 14 G 33 | 10.00 | Mostly Cloudy | SCT030 BKN037 BKN048 BKN250 | 42.1 | 30.9 | 65% | 35 | 29.94 | 1014.1 | ||||||
| 04 | 18:51 | W 23 G 33 | 10.00 | Mostly Cloudy and Breezy | BKN030 BKN036 BKN045 | 43 | 30.9 | 48.9 | 43 | 63% | 34 | 29.93 | 1013.7 | ||||
| 04 | 17:51 | W 17 G 30 | 10.00 | Overcast | BKN027 OVC033 | 44.1 | 33.1 | 65% | 37 | 29.91 | 1013.3 | ||||||
| 04 | 16:51 | W 22 G 38 | 10.00 | Overcast and Breezy | OVC022 | 45 | 35.1 | 68% | 37 | 29.89 | 1012.6 | ||||||
| 04 | 15:51 | W 17 G 26 | 10.00 | Overcast | OVC022 | 46.9 | 37.9 | 71% | 41 | 29.87 | 1011.7 | ||||||
| 04 | 14:51 | W 17 G 30 | 10.00 | Mostly Cloudy | BKN018 BKN110 BKN250 | 48 | 39.9 | 74% | 42 | 29.86 | 1011.5 | ||||||
| 04 | 13:51 | W 17 G 28 | 10.00 | Overcast | BKN014 BKN075 BKN110 OVC250 | 48 | 42.1 | 80% | 42 | 29.85 | 1011.1 | ||||||
| 04 | 12:51 | W 18 G 29 | 10.00 | Overcast | OVC009 | 46 | 43 | 55.9 | 46 | 89% | 39 | 29.85 | 1011.1 | 0.03 | |||
| 04 | 11:51 | SW 15 G 26 | 10.00 | Overcast | OVC006 | 48 | 46 | 93% | 43 | 29.83 | 1010.6 | ||||||
| 04 | 10:51 | W 24 | 7.00 | Light Rain and Breezy | BKN005 OVC011 | 50 | 48.9 | 96% | 43 | 29.83 | 1010.3 | 0.02 | |||||
| 04 | 09:51 | W 17 G 32 | 2.00 | Light Rain Fog/Mist | BKN003 OVC009 | 53.1 | 52 | 96% | 29.81 | 1009.5 | 0.01 | ||||||
| 04 | 08:51 | S 3 | 2.50 | Fog/Mist | BKN004 BKN008 OVC050 | 52 | 51.1 | 97% | 29.76 | 1008.1 | |||||||
| 04 | 07:51 | S 8 | 4.00 | Fog/Mist | BKN003 OVC070 | 48 | 46.9 | 96% | 45 | 29.81 | 1009.7 | 0.01 | |||||
| 04 | 06:51 | Calm | 4.00 | Light Rain Fog/Mist | SCT004 BKN080 OVC110 | 46.9 | 45 | 46.9 | 41 | 93% | 29.8 | 1009.3 | 0.05 | 0.26 | |||
| 04 | 05:51 | E 3 | 6.00 | Fog/Mist | SCT003 BKN080 BKN130 OVC240 | 46 | 44.1 | 93% | 29.82 | 1010.1 | 0.2 | ||||||
| 04 | 04:51 | N 15 G 21 | 7.00 | Thunderstorm Light Rain | OVC003CB | 44.1 | 43 | 96% | 38 | 29.87 | 1011.8 | 0.01 | |||||
| 04 | 03:51 | NE 9 | 6.00 | Light Rain Fog/Mist | OVC003 | 43 | 42.1 | 97% | 38 | 29.85 | 1011.3 | ||||||
| 04 | 02:51 | Vrbl 5 | 8.00 | Overcast | OVC004 | 42.1 | 41 | 96% | 40 | 29.88 | 1012.1 | ||||||
| 04 | 01:51 | NE 8 | 10.00 | Overcast | FEW005 OVC007 | 42.1 | 39.9 | 92% | 38 | 29.93 | 1013.7 | ||||||
| 04 | 00:51 | NE 13 | 10.00 | Light Rain | OVC008 | 41 | 39 | 43 | 39 | 93% | 34 | 29.98 | 1015.4 | 0.01 | 0.26 | ||
| 03 | 23:51 | NE 10 | 10.00 | Light Rain | BKN016 BKN095 OVC120 | 41 | 37.9 | 89% | 35 | 30 | 1016.1 | ||||||
| 03 | 22:51 | E 9 | 10.00 | Light Rain | SCT022 BKN070 BKN120 OVC250 | 39.9 | 36 | 86% | 34 | 30.04 | 1017.7 | 0.02 | |||||
| 03 | 21:51 | NE 14 | 5.00 | Thunderstorm Rain Fog/Mist | SCT020CB BKN047 OVC080 | 39.9 | 35.1 | 83% | 33 | 30.07 | 1018.5 | 0.23 | 0.23 | ||||
| 03 | 20:51 | NE 18 G 30 | 10.00 | Overcast | OVC020 | 41 | 32 | 70% | 33 | 30.09 | 1019.2 | ||||||
| 03 | 19:51 | NE 17 | 10.00 | Overcast | OVC022 | 41 | 34 | 76% | 33 | 30.11 | 1019.8 | ||||||
| 03 | 18:51 | NE 16 G 23 | 10.00 | Overcast | FEW017 OVC025 | 43 | 36 | 57.9 | 43 | 76% | 36 | 30.1 | 1019.7 | ||||
| 03 | 17:51 | NE 15 | 10.00 | Overcast | FEW017 BKN026 OVC045 | 44.1 | 36 | 73% | 38 | 30.12 | 1020.4 | ||||||
| 03 | 16:51 | NE 18 | 10.00 | Overcast | SCT026 OVC041 | 46 | 37 | 71% | 39 | 30.1 | 1019.4 | ||||||
| 03 | 15:51 | E 12 | 10.00 | Overcast | SCT031 BKN042 OVC250 | 48.9 | 39 | 69% | 45 | 30.09 | 1019.1 | ||||||
| 03 | 14:51 | NE 12 G 21 | 10.00 | Overcast | BKN034 OVC250 | 53.1 | 42.1 | 66% | 30.09 | 1018.9 | |||||||
| 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) | |||||||||||||||