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. | ||||||||||||||||
| 27 | 11:51 | S 10 | 5.00 | Fog/Mist | OVC008 | 39.9 | 36 | 39.9 | 37.9 | 86% | 34 | 29.97 | 1015.2 | ||||
| 27 | 10:51 | SE 10 | 5.00 | Fog/Mist | OVC008 | 39.9 | 36 | 86% | 34 | 30 | 1016.2 | ||||||
| 27 | 09:51 | SE 10 | 4.00 | Fog/Mist | OVC009 | 39 | 36 | 89% | 33 | 30.03 | 1017.2 | ||||||
| 27 | 08:51 | SE 9 | 4.00 | Fog/Mist | OVC007 | 37.9 | 35.1 | 89% | 32 | 30.03 | 1017.6 | ||||||
| 27 | 07:51 | SE 7 | 4.00 | Fog/Mist | OVC008 | 37.9 | 35.1 | 89% | 33 | 30.01 | 1016.7 | ||||||
| 27 | 06:51 | SE 7 | 5.00 | Fog/Mist | OVC009 | 37.9 | 35.1 | 89% | 33 | 30 | 1016.3 | ||||||
| 27 | 05:51 | E 7 | 7.00 | Overcast | OVC009 | 37.9 | 35.1 | 39 | 37.9 | 89% | 33 | 30 | 1016.3 | ||||
| 27 | 04:51 | E 5 | 7.00 | Overcast | OVC009 | 37.9 | 34 | 86% | 35 | 29.99 | 1016.1 | ||||||
| 27 | 03:51 | E 5 | 8.00 | Overcast | OVC009 | 37.9 | 34 | 86% | 35 | 29.99 | 1016.0 | ||||||
| 27 | 02:51 | E 5 | 8.00 | Overcast | OVC009 | 37.9 | 34 | 86% | 35 | 29.99 | 1015.9 | ||||||
| 27 | 01:51 | E 6 | 8.00 | Overcast | OVC009 | 37.9 | 34 | 86% | 34 | 29.97 | 1015.5 | ||||||
| 27 | 00:51 | E 5 | 8.00 | Overcast | OVC010 | 37.9 | 34 | 86% | 35 | 29.96 | 1014.9 | ||||||
| 26 | 23:51 | Calm | 9.00 | Overcast | OVC010 | 39 | 34 | 42.1 | 39 | 82% | 29.96 | 1014.8 | |||||
| 26 | 22:51 | NE 8 | 10.00 | Overcast | OVC011 | 39 | 35.1 | 86% | 34 | 29.95 | 1014.7 | ||||||
| 26 | 21:51 | N 7 | 10.00 | Overcast | OVC013 | 39.9 | 34 | 79% | 36 | 29.93 | 1013.9 | ||||||
| 26 | 20:51 | NW 5 | 10.00 | Overcast | OVC013 | 39.9 | 35.1 | 83% | 37 | 29.93 | 1013.9 | ||||||
| 26 | 19:51 | NW 6 | 10.00 | Overcast | OVC014 | 41 | 36 | 82% | 38 | 29.92 | 1013.5 | ||||||
| 26 | 18:51 | NW 9 | 10.00 | Overcast | OVC014 | 42.1 | 36 | 79% | 37 | 29.89 | 1012.5 | ||||||
| 26 | 17:51 | NW 9 | 10.00 | Overcast | OVC014 | 42.1 | 37 | 46.9 | 42.1 | 82% | 37 | 29.87 | 1012.0 | ||||
| 26 | 16:51 | NW 9 | 10.00 | Overcast | OVC016 | 44.1 | 37 | 76% | 40 | 29.84 | 1011.0 | ||||||
| 26 | 15:51 | NW 8 | 10.00 | Overcast | OVC014 | 44.1 | 37.9 | 79% | 40 | 29.81 | 1009.8 | ||||||
| 26 | 14:51 | NW 10 | 10.00 | Overcast | OVC013 | 45 | 39 | 80% | 40 | 29.78 | 1008.6 | ||||||
| 26 | 13:51 | NW 10 | 10.00 | Overcast | OVC014 | 46 | 39.9 | 79% | 42 | 29.73 | 1007.1 | ||||||
| 26 | 12:51 | NW 13 G 20 | 10.00 | Overcast | BKN014 OVC022 | 46 | 41 | 83% | 41 | 29.71 | 1006.4 | ||||||
| 26 | 11:51 | NW 13 G 22 | 10.00 | Overcast | BKN011 OVC024 | 46 | 42.1 | 46.9 | 39.9 | 86% | 41 | 29.69 | 1005.6 | 0.02 | |||
| 26 | 10:51 | NW 13 G 20 | 8.00 | Overcast | BKN009 OVC020 | 46.9 | 45 | 93% | 42 | 29.68 | 1005.4 | ||||||
| 26 | 09:51 | W 6 | 1.50 | Fog/Mist | OVC003 | 46 | 45 | 96% | 44 | 29.66 | 1004.7 | ||||||
| 26 | 08:51 | W 3 | 1.25 | Fog/Mist | OVC003 | 43 | 43 | 100% | 29.65 | 1004.3 | 0.02 | ||||||
| 26 | 07:51 | W 3 | 0.75 | Light Drizzle Fog/Mist | OVC002 | 42.1 | 41 | 96% | 29.64 | 1003.9 | |||||||
| 26 | 06:51 | S 3 | 1.00 | Light Drizzle Fog/Mist | OVC002 | 41 | 39.9 | 96% | 29.65 | 1004.3 | 0.02 | ||||||
| 26 | 05:51 | S 5 | 1.00 | Light Drizzle Fog/Mist | OVC002 | 39.9 | 39 | 41 | 39.9 | 97% | 37 | 29.68 | 1005.5 | ||||
| 26 | 04:51 | SE 9 | 1.25 | Light Drizzle Fog/Mist | OVC004 | 39.9 | 37.9 | 93% | 34 | 29.68 | 1005.5 | ||||||
| 26 | 03:51 | SE 13 | 6.00 | Light Drizzle Fog/Mist | OVC008 | 39.9 | 36 | 86% | 33 | 29.71 | 1006.4 | ||||||
| 26 | 02:51 | SE 12 | 8.00 | Overcast | SCT008 OVC010 | 39.9 | 35.1 | 83% | 34 | 29.76 | 1008.2 | ||||||
| 26 | 01:51 | SE 14 G 21 | 10.00 | Overcast | OVC013 | 41 | 33.1 | 73% | 34 | 29.81 | 1009.9 | ||||||
| 26 | 00:51 | S 8 | 10.00 | Light Drizzle | OVC015 | 41 | 30 | 65% | 36 | 29.85 | 1011.3 | ||||||
| 25 | 23:51 | SE 13 | 10.00 | Overcast | OVC017 | 41 | 28 | 43 | 41 | 60% | 34 | 29.87 | 1012.1 | ||||
| 25 | 22:51 | SE 12 | 10.00 | Overcast | OVC018 | 42.1 | 27 | 55% | 36 | 29.92 | 1013.7 | ||||||
| 25 | 21:51 | SE 9 | 10.00 | Overcast | BKN022 OVC040 | 42.1 | 28.9 | 60% | 37 | 29.95 | 1014.7 | ||||||
| 25 | 20:51 | SE 17 G 25 | 10.00 | Overcast | FEW026 OVC036 | 42.1 | 28.9 | 60% | 34 | 29.99 | 1015.9 | ||||||
| 25 | 19:51 | E 15 G 23 | 10.00 | Overcast | OVC029 | 43 | 30 | 60% | 36 | 30.03 | 1017.5 | ||||||
| 25 | 18:51 | E 12 | 10.00 | Overcast | OVC029 | 42.1 | 30.9 | 65% | 36 | 30.06 | 1018.3 | ||||||
| 25 | 17:51 | E 12 | 10.00 | Overcast | OVC029 | 41 | 32 | 42.1 | 39 | 70% | 35 | 30.06 | 1018.4 | ||||
| 25 | 16:51 | E 9 | 10.00 | Overcast | FEW014 OVC032 | 39.9 | 32 | 73% | 34 | 30.06 | 1018.6 | ||||||
| 25 | 15:51 | NE 15 | 10.00 | Overcast | FEW014 BKN036 OVC250 | 39 | 32 | 76% | 31 | 30.09 | 1019.2 | ||||||
| 25 | 14:51 | NE 13 | 10.00 | Overcast | FEW016 BKN036 OVC250 | 39.9 | 33.1 | 77% | 33 | 30.11 | 1020.1 | ||||||
| 25 | 13:51 | NE 10 | 10.00 | Mostly Cloudy | FEW016 FEW035 BKN250 | 41 | 33.1 | 73% | 35 | 30.11 | 1020.1 | ||||||
| 25 | 12:51 | NE 13 | 10.00 | Overcast | FEW017 OVC220 | 41 | 32 | 70% | 34 | 30.12 | 1020.5 | ||||||
| 25 | 11:51 | NE 14 | 10.00 | Overcast | FEW017 OVC230 | 42.1 | 33.1 | 42.1 | 39 | 71% | 35 | 30.14 | 1021.1 | ||||
| 25 | 10:51 | E 15 G 22 | 10.00 | Overcast | BKN015 OVC250 | 41 | 34 | 76% | 34 | 30.17 | 1022.3 | ||||||
| 25 | 09:51 | NE 14 | 6.00 | Fog/Mist | OVC008 | 39.9 | 36 | 86% | 33 | 30.19 | 1022.8 | ||||||
| 25 | 08:51 | NE 16 | 5.00 | Fog/Mist | OVC009 | 39.9 | 36 | 86% | 32 | 30.18 | 1022.4 | ||||||
| 25 | 07:51 | NE 12 | 5.00 | Fog/Mist | BKN008 OVC022 | 39.9 | 36 | 86% | 34 | 30.15 | 1021.6 | ||||||
| 25 | 06:51 | NE 14 | 7.00 | Overcast | SCT009 OVC025 | 39 | 36 | 89% | 32 | 30.14 | 1021.2 | ||||||
| 25 | 05:51 | NE 14 | 8.00 | Mostly Cloudy | BKN024 BKN250 | 39.9 | 33.1 | 41 | 36 | 77% | 33 | 30.11 | 1019.9 | ||||
| 25 | 04:51 | NE 5 | 7.00 | Mostly Cloudy | FEW040 BKN250 | 37 | 34 | 89% | 34 | 30.08 | 1019.2 | ||||||
| 25 | 03:51 | N 6 | 6.00 | Fog/Mist | SCT010 OVC045 | 39.9 | 36 | 86% | 36 | 30.08 | 1018.9 | ||||||
| 25 | 02:51 | NE 10 | 10.00 | Overcast | OVC005 | 39.9 | 37 | 89% | 34 | 30.08 | 1019.0 | ||||||
| 25 | 01:51 | NE 10 | 10.00 | Overcast | OVC010 | 41 | 35.1 | 79% | 35 | 30.07 | 1018.8 | ||||||
| 25 | 00:51 | N 6 | 10.00 | Overcast | OVC010 | 41 | 35.1 | 79% | 38 | 30.05 | 1017.9 | ||||||
| 24 | 23:51 | N 6 | 10.00 | Overcast | OVC010 | 42.1 | 35.1 | 46 | 41 | 76% | 39 | 30.05 | 1018.0 | ||||
| 24 | 22:51 | N 5 | 10.00 | Overcast | OVC012 | 42.1 | 37 | 82% | 40 | 30.06 | 1018.2 | ||||||
| 24 | 21:51 | Calm | 10.00 | Overcast | OVC013 | 43 | 36 | 76% | 30.05 | 1017.9 | |||||||
| 24 | 20:51 | Calm | 10.00 | Overcast | OVC015 | 43 | 35.1 | 74% | 30.06 | 1018.3 | |||||||
| 24 | 19:51 | SE 3 | 10.00 | Light Rain | OVC018 | 42.1 | 34 | 73% | 30.08 | 1019.0 | |||||||
| 24 | 18:51 | E 6 | 10.00 | Overcast | OVC017 | 43 | 30.9 | 63% | 40 | 30.1 | 1019.7 | ||||||
| 24 | 17:51 | NE 6 | 10.00 | Overcast | OVC019 | 45 | 30.9 | 58% | 42 | 30.1 | 1019.7 | ||||||
| 24 | 16:51 | E 6 | 10.00 | Overcast | BKN025 BKN060 OVC200 | 45 | 28.9 | 54% | 42 | 30.1 | 1019.8 | ||||||
| 24 | 15:51 | SE 6 | 10.00 | Overcast | SCT050 BKN190 OVC250 | 45 | 28.9 | 54% | 42 | 30.12 | 1020.5 | ||||||
| 24 | 14:51 | SE 8 | 10.00 | Mostly Cloudy | FEW200 BKN250 | 46 | 27 | 47% | 42 | 30.13 | 1020.7 | ||||||
| 24 | 13:51 | SE 10 | 10.00 | Overcast | OVC230 | 46 | 28.9 | 51% | 42 | 30.13 | 1020.6 | ||||||
| 24 | 12:51 | S 12 | 10.00 | Overcast | OVC230 | 45 | 28.9 | 54% | 40 | 30.17 | 1022.1 | ||||||
| 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) | |||||||||||||||