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. | ||||||||||||||||
| 09 | 09:51 | SW 15 G 24 | 10.00 | Mostly Cloudy | SCT018 BKN250 | 30.9 | 24.1 | 76% | 21 | 29.73 | 1007.5 | ||||||
| 09 | 08:51 | SW 16 G 30 | 10.00 | Partly Cloudy | SCT019 SCT250 | 30 | 23 | 75% | 19 | 29.74 | 1008.0 | ||||||
| 09 | 07:51 | SW 16 G 31 | 10.00 | Partly Cloudy | FEW020 SCT031 | 28 | 21.9 | 78% | 17 | 29.75 | 1008.5 | ||||||
| 09 | 06:51 | SW 14 G 28 | 10.00 | Mostly Cloudy | BKN022 | 27 | 19.9 | 75% | 16 | 29.77 | 1009.1 | ||||||
| 09 | 05:51 | SW 13 G 24 | 10.00 | Partly Cloudy | SCT032 SCT045 | 26.1 | 19 | 26.1 | 21 | 75% | 16 | 29.82 | 1010.6 | 0.01 | |||
| 09 | 04:51 | SW 17 G 30 | 10.00 | Overcast | SCT033 OVC044 | 26.1 | 18 | 71% | 14 | 29.84 | 1011.6 | ||||||
| 09 | 03:51 | S 14 G 23 | 10.00 | Overcast | OVC032 | 24.1 | 15.1 | 68% | 13 | 29.87 | 1012.4 | ||||||
| 09 | 02:51 | S 12 | 3.00 | Light Snow | SCT030 OVC042 | 21.9 | 16 | 78% | 11 | 29.92 | 1014.0 | 0.01 | |||||
| 09 | 01:51 | S 12 | 8.00 | Overcast | OVC042 | 21 | 15.1 | 78% | 10 | 29.98 | 1016.0 | 0.01 | |||||
| 09 | 00:51 | S 15 G 21 | 10.00 | Overcast | BKN043 OVC060 | 21 | 14 | 74% | 8 | 30.03 | 1017.9 | ||||||
| 08 | 23:51 | S 13 G 22 | 10.00 | Overcast | BKN042 BKN049 OVC070 | 21.9 | 12.9 | 23 | 21 | 68% | 11 | 30.07 | 1019.1 | ||||
| 08 | 22:51 | S 10 | 10.00 | Overcast | BKN044 OVC150 | 21 | 12 | 68% | 11 | 30.11 | 1020.7 | ||||||
| 08 | 21:51 | S 14 G 21 | 10.00 | Overcast | BKN048 OVC180 | 21 | 10.9 | 65% | 9 | 30.13 | 1021.4 | ||||||
| 08 | 20:51 | S 12 | 10.00 | Overcast | FEW045 BKN170 OVC250 | 21 | 12 | 68% | 10 | 30.16 | 1022.4 | ||||||
| 08 | 19:51 | S 13 | 10.00 | Overcast | BKN190 OVC250 | 21 | 12 | 68% | 10 | 30.19 | 1023.4 | ||||||
| 08 | 18:51 | S 7 | 10.00 | Mostly Cloudy | BKN250 | 21 | 10.9 | 65% | 13 | 30.22 | 1024.5 | ||||||
| 08 | 17:51 | S 9 | 10.00 | A Few Clouds | FEW250 | 23 | 12 | 26.1 | 23 | 63% | 14 | 30.23 | 1024.7 | ||||
| 08 | 16:51 | S 7 | 10.00 | A Few Clouds | FEW075 FEW250 | 24.1 | 12 | 60% | 17 | 30.24 | 1025.1 | ||||||
| 08 | 15:51 | SW 9 | 10.00 | Mostly Cloudy | FEW030 BKN075 BKN250 | 26.1 | 10.9 | 53% | 18 | 30.27 | 1026.1 | ||||||
| 08 | 14:51 | S 7 | 10.00 | Mostly Cloudy | FEW030 BKN075 | 26.1 | 10.9 | 53% | 19 | 30.26 | 1025.9 | ||||||
| 08 | 13:51 | SE 6 | 10.00 | Partly Cloudy | FEW030 SCT070 SCT250 | 25 | 10 | 53% | 19 | 30.28 | 1026.4 | ||||||
| 08 | 12:51 | S 7 | 10.00 | Mostly Cloudy | FEW030 FEW100 BKN250 | 23 | 9 | 55% | 16 | 30.3 | 1027.1 | ||||||
| 08 | 11:51 | S 9 | 10.00 | Mostly Cloudy | FEW030 FEW120 BKN250 | 23 | 7 | 23 | 17.1 | 50% | 14 | 30.32 | 1027.8 | ||||
| 08 | 10:51 | SE 9 | 10.00 | Mostly Cloudy | FEW028 FEW120 BKN250 | 21.9 | 9 | 57% | 13 | 30.36 | 1029.0 | ||||||
| 08 | 09:51 | S 8 | 10.00 | Mostly Cloudy | FEW025 BKN120 BKN250 | 21 | 10.9 | 65% | 12 | 30.37 | 1029.6 | ||||||
| 08 | 08:51 | S 5 | 10.00 | Mostly Cloudy | BKN030 BKN250 | 19.9 | 10.9 | 68% | 14 | 30.36 | 1029.4 | ||||||
| 08 | 07:51 | SW 3 | 10.00 | Mostly Cloudy | BKN030 BKN250 | 18 | 10.9 | 74% | 30.36 | 1029.2 | |||||||
| 08 | 06:51 | W 3 | 10.00 | Mostly Cloudy | BKN030 | 17.1 | 10.9 | 77% | 30.35 | 1028.9 | |||||||
| 08 | 05:51 | NW 3 | 10.00 | Mostly Cloudy | BKN031 | 18 | 10.9 | 18 | 17.1 | 74% | 30.34 | 1028.7 | |||||
| 08 | 04:51 | Calm | 10.00 | Overcast | OVC031 | 17.1 | 10 | 74% | 30.33 | 1028.3 | |||||||
| 08 | 03:51 | W 6 | 10.00 | Mostly Cloudy | BKN033 | 18 | 10.9 | 74% | 11 | 30.33 | 1028.0 | ||||||
| 08 | 02:51 | N 6 | 10.00 | Overcast | OVC033 | 17.1 | 10.9 | 77% | 10 | 30.33 | 1028.3 | ||||||
| 08 | 01:51 | N 6 | 10.00 | Light Snow | OVC033 | 17.1 | 10 | 74% | 10 | 30.32 | 1028.0 | ||||||
| 08 | 00:51 | N 6 | 10.00 | Overcast | OVC032 | 18 | 10 | 71% | 11 | 30.32 | 1027.9 | ||||||
| 07 | 23:51 | N 7 | 10.00 | Light Snow | BKN031 OVC039 | 17.1 | 9 | 19 | 16 | 70% | 8 | 30.32 | 1027.7 | ||||
| 07 | 22:51 | N 9 | 10.00 | Overcast | SCT025 OVC035 | 17.1 | 9 | 70% | 7 | 30.32 | 1027.9 | ||||||
| 07 | 21:51 | N 7 | 10.00 | Mostly Cloudy | FEW020 BKN034 | 17.1 | 8.1 | 68% | 8 | 30.32 | 1028.0 | ||||||
| 07 | 20:51 | N 10 | 10.00 | Mostly Cloudy | BKN034 | 17.1 | 8.1 | 68% | 6 | 30.3 | 1027.2 | ||||||
| 07 | 19:51 | N 15 | 10.00 | Mostly Cloudy | BKN033 | 18 | 9 | 68% | 5 | 30.29 | 1026.8 | ||||||
| 07 | 18:51 | N 12 | 10.00 | Overcast | OVC029 | 19 | 8.1 | 62% | 8 | 30.28 | 1026.5 | ||||||
| 07 | 17:51 | N 12 | 10.00 | Mostly Cloudy | BKN025 | 19 | 7 | 26.1 | 18 | 59% | 8 | 30.26 | 1025.8 | ||||
| 07 | 16:51 | N 10 | 10.00 | Mostly Cloudy | BKN025 BKN250 | 19 | 6.1 | 57% | 8 | 30.25 | 1025.2 | ||||||
| 07 | 15:51 | N 15 | 10.00 | A Few Clouds | FEW020 FEW250 | 21 | 7 | 54% | 8 | 30.23 | 1024.6 | ||||||
| 07 | 14:51 | N 13 | 10.00 | Partly Cloudy | FEW020 SCT250 | 19.9 | 9 | 62% | 8 | 30.21 | 1024.1 | ||||||
| 07 | 13:51 | N 15 | 10.00 | Mostly Cloudy | BKN020 BKN250 | 21.9 | 14 | 71% | 10 | 30.19 | 1023.3 | ||||||
| 07 | 12:51 | N 20 | 10.00 | Overcast | OVC012 | 23 | 17.1 | 78% | 9 | 30.18 | 1022.8 | ||||||
| 07 | 11:51 | N 15 | 8.00 | Overcast | OVC014 | 26.1 | 19.9 | 28.9 | 25 | 78% | 15 | 30.16 | 1022.0 | 0.04 | |||
| 07 | 10:51 | N 17 | 10.00 | Partly Cloudy | FEW010 FEW024 SCT031 | 26.1 | 19.9 | 78% | 14 | 30.14 | 1021.4 | ||||||
| 07 | 09:51 | N 20 G 24 | 9.00 | Overcast | BKN022 OVC033 | 27 | 21 | 78% | 14 | 30.12 | 1020.8 | ||||||
| 07 | 08:51 | N 16 | 7.00 | Mostly Cloudy | FEW008 BKN014 BKN022 | 25 | 21.9 | 88% | 13 | 30.08 | 1019.5 | 0.04 | |||||
| 07 | 07:51 | N 18 | 1.50 | Light Snow Fog/Mist | BKN009 OVC019 | 27 | 25 | 92% | 15 | 30.05 | 1018.3 | ||||||
| 07 | 06:51 | N 10 | 0.50 | Snow Freezing Fog | BKN007 OVC014 | 28.9 | 28 | 96% | 20 | 30.02 | 1017.2 | 0.04 | |||||
| 07 | 05:51 | N 9 | 1.25 | Light Snow Fog/Mist | OVC015 | 28.9 | 28 | 30 | 28.9 | 96% | 21 | 29.99 | 1016.3 | 0.05 | 0.31 | ||
| 07 | 04:51 | N 7 | 0.75 | Light Snow Fog/Mist | VV009 | 28.9 | 28 | 96% | 23 | 29.98 | 1016.0 | 0.08 | |||||
| 07 | 03:51 | N 7 | 0.25 | Heavy Snow Freezing Fog | VV005 | 28.9 | 28 | 96% | 23 | 29.98 | 1016.0 | 0.07 | |||||
| 07 | 02:51 | NE 3 | 0.75 | Light Snow Fog/Mist | VV008 | 28.9 | 28 | 96% | 29.98 | 1015.8 | 0.05 | 0.11 | |||||
| 07 | 01:51 | SE 5 | 1.25 | Light Snow Fog/Mist | BKN006 OVC015 | 30 | 28 | 92% | 26 | 29.97 | 1015.5 | 0.03 | |||||
| 07 | 00:51 | SE 3 | 1.00 | Light Snow Fog/Mist | VV013 | 30 | 28 | 92% | 29.97 | 1015.7 | 0.03 | ||||||
| 06 | 23:51 | Calm | 1.50 | Light Snow Fog/Mist | OVC013 | 30 | 28 | 32 | 30 | 92% | 29.97 | 1015.7 | 0.01 | 0.01 | |||
| 06 | 22:51 | Calm | 4.00 | Light Snow | OVC026 | 30.9 | 24.1 | 76% | 29.98 | 1016.0 | |||||||
| 06 | 21:51 | Calm | 10.00 | Overcast | OVC025 | 30.9 | 24.1 | 76% | 29.98 | 1016.0 | |||||||
| 06 | 20:51 | W 3 | 10.00 | Overcast | OVC024 | 30.9 | 24.1 | 76% | 29.97 | 1015.7 | |||||||
| 06 | 19:51 | SE 3 | 10.00 | Overcast | OVC024 | 30.9 | 24.1 | 76% | 29.95 | 1015.0 | |||||||
| 06 | 18:51 | SW 5 | 10.00 | Overcast | OVC024 | 30.9 | 24.1 | 76% | 27 | 29.97 | 1015.8 | ||||||
| 06 | 17:51 | SW 5 | 10.00 | Overcast | OVC025 | 32 | 23 | 32 | 30.9 | 69% | 28 | 29.94 | 1014.4 | ||||
| 06 | 16:51 | S 10 G 18 | 10.00 | Overcast | SCT021 OVC027 | 32 | 21.9 | 66% | 24 | 29.93 | 1014.4 | ||||||
| 06 | 15:51 | SE 5 | 10.00 | Overcast | OVC019 | 32 | 24.1 | 73% | 28 | 29.92 | 1013.9 | ||||||
| 06 | 14:51 | S 5 | 10.00 | Overcast | OVC023 | 32 | 21.9 | 66% | 28 | 29.93 | 1014.4 | ||||||
| 06 | 13:51 | Calm | 10.00 | Overcast | OVC029 | 32 | 21.9 | 66% | 29.92 | 1013.9 | |||||||
| 06 | 12:51 | Calm | 10.00 | Overcast | OVC028 | 30.9 | 21 | 67% | 29.93 | 1014.3 | |||||||
| 06 | 11:51 | Calm | 10.00 | Overcast | OVC029 | 30.9 | 21 | 30.9 | 26.1 | 67% | 29.94 | 1014.6 | |||||
| 06 | 10:51 | NW 5 | 10.00 | Overcast | OVC028 | 30.9 | 21 | 67% | 27 | 29.95 | 1014.9 | ||||||
| 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) | |||||||||||||||