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. | ||||||||||||||||
| 26 | 19:51 | SW 6 | 10.00 | Mostly Cloudy | SCT047 BKN250 | 88 | 75 | 66% | 98 | 29.84 | 1009.6 | ||||||
| 26 | 18:51 | W 5 | 10.00 | Mostly Cloudy | SCT047 BKN055 BKN250 | 89.1 | 73 | 91.9 | 87.1 | 59% | 97 | 29.84 | 1009.8 | ||||
| 26 | 17:51 | SW 6 | 10.00 | Mostly Cloudy | BKN045 BKN055 BKN250 | 91 | 72 | 54% | 99 | 29.84 | 1009.9 | ||||||
| 26 | 16:51 | W 7 | 10.00 | Mostly Cloudy | BKN048 BKN250 | 91 | 71.1 | 52% | 98 | 29.85 | 1010.1 | ||||||
| 26 | 15:51 | SW 5 | 10.00 | Partly Cloudy | SCT050 SCT250 | 91 | 71.1 | 52% | 98 | 29.86 | 1010.4 | ||||||
| 26 | 14:51 | W 6 | 10.00 | Partly Cloudy | SCT250 | 89.1 | 70 | 53% | 94 | 29.87 | 1010.9 | ||||||
| 26 | 13:51 | SW 9 | 10.00 | Mostly Cloudy | BKN043 BKN250 | 89.1 | 69.1 | 52% | 94 | 29.88 | 1011.4 | ||||||
| 26 | 12:51 | W 9 | 10.00 | Mostly Cloudy | BKN038 BKN250 | 88 | 69.1 | 88 | 73 | 54% | 92 | 29.91 | 1012.1 | ||||
| 26 | 11:51 | S 7 | 10.00 | Mostly Cloudy | SCT030 BKN250 | 87.1 | 71.1 | 59% | 93 | 29.9 | 1011.8 | ||||||
| 26 | 10:51 | W 10 | 10.00 | Mostly Cloudy | FEW030 FEW045 BKN250 | 84 | 72 | 67% | 90 | 29.91 | 1012.2 | ||||||
| 26 | 09:51 | Vrbl 6 | 10.00 | Mostly Cloudy | FEW045 BKN250 | 81 | 72 | 74% | 85 | 29.92 | 1012.6 | ||||||
| 26 | 08:51 | W 13 | 10.00 | Mostly Cloudy | SCT045 BKN250 | 79 | 72 | 79% | 82 | 29.92 | 1012.6 | ||||||
| 26 | 07:51 | SW 8 | 8.00 | Mostly Cloudy | FEW045 BKN250 | 75 | 71.1 | 88% | 75 | 29.91 | 1012.4 | ||||||
| 26 | 06:51 | SW 6 | 6.00 | Fog/Mist | FEW007 BKN045 OVC250 | 73 | 70 | 73 | 72 | 90% | 29.92 | 1012.5 | |||||
| 26 | 05:51 | SW 6 | 6.00 | Fog/Mist | BKN007 OVC043 | 73 | 70 | 90% | 29.93 | 1013.0 | |||||||
| 26 | 04:51 | SW 5 | 8.00 | Overcast | OVC008 | 72 | 69.1 | 91% | 29.93 | 1012.9 | |||||||
| 26 | 03:51 | SW 5 | 8.00 | Overcast | FEW009 OVC040 | 72 | 68 | 87% | 29.92 | 1012.6 | |||||||
| 26 | 02:51 | SW 6 | 9.00 | Overcast | FEW011 OVC040 | 72 | 68 | 87% | 29.93 | 1012.9 | |||||||
| 26 | 01:51 | S 6 | 9.00 | Overcast | FEW015 OVC038 | 72 | 68 | 87% | 29.94 | 1013.4 | |||||||
| 26 | 00:51 | SW 5 | 10.00 | Overcast | SCT011 OVC036 | 72 | 68 | 77 | 72 | 87% | 29.97 | 1014.2 | |||||
| 25 | 23:51 | S 8 | 10.00 | Mostly Cloudy | FEW012 BKN036 | 72 | 68 | 87% | 29.95 | 1013.7 | |||||||
| 25 | 22:51 | S 7 | 10.00 | Overcast | FEW014 OVC035 | 73 | 68 | 84% | 29.95 | 1013.8 | |||||||
| 25 | 21:51 | S 8 | 9.00 | Overcast | FEW016 OVC036 | 73.9 | 68 | 82% | 29.95 | 1013.6 | |||||||
| 25 | 20:51 | S 9 | 10.00 | Overcast | SCT018 OVC035 | 73.9 | 68 | 82% | 29.94 | 1013.3 | |||||||
| 25 | 19:51 | S 13 | 10.00 | Overcast | BKN025 OVC030 | 75.9 | 68 | 77% | 77 | 29.93 | 1013.1 | ||||||
| 25 | 18:51 | SW 12 | 10.00 | Overcast | OVC025 | 77 | 68 | 80.1 | 75 | 74% | 79 | 29.93 | 1013.0 | ||||
| 25 | 17:51 | SW 8 | 10.00 | Overcast | OVC025 | 78.1 | 66.9 | 69% | 80 | 29.94 | 1013.5 | ||||||
| 25 | 16:51 | SW 7 | 10.00 | Mostly Cloudy | BKN022 BKN039 | 78.1 | 66.9 | 69% | 80 | 29.94 | 1013.5 | ||||||
| 25 | 15:51 | S 10 | 10.00 | Mostly Cloudy | BKN022 BKN039 | 80.1 | 66.9 | 64% | 82 | 29.94 | 1013.6 | ||||||
| 25 | 14:51 | SW 10 | 10.00 | Mostly Cloudy | BKN022 BKN060 | 78.1 | 66 | 67% | 80 | 29.96 | 1014.2 | ||||||
| 25 | 13:51 | SW 12 G 20 | 10.00 | Mostly Cloudy | BKN025 BKN045 | 77 | 64.9 | 66% | 79 | 29.97 | 1014.6 | ||||||
| 25 | 12:51 | SW 9 | 10.00 | Overcast | BKN026 OVC038 | 75 | 63 | 77 | 64.9 | 66% | 77 | 30 | 1015.4 | ||||
| 25 | 11:51 | SW 7 | 10.00 | Overcast | BKN031 OVC043 | 75 | 61 | 62% | 77 | 30.02 | 1016.1 | ||||||
| 25 | 10:51 | S 12 G 20 | 10.00 | Mostly Cloudy | FEW043 BKN070 BKN120 BKN250 | 77 | 61 | 58% | 79 | 29.99 | 1015.1 | ||||||
| 25 | 09:51 | S 9 | 10.00 | Mostly Cloudy | FEW039 BKN060 BKN120 BKN250 | 73.9 | 59 | 60% | 30.01 | 1015.8 | |||||||
| 25 | 08:51 | S 7 | 10.00 | Overcast | FEW038 BKN060 BKN110 OVC250 | 71.1 | 59 | 66% | 30.02 | 1016.1 | |||||||
| 25 | 07:51 | S 6 | 10.00 | Mostly Cloudy | FEW045 BKN070 BKN250 | 68 | 57.9 | 70% | 30.02 | 1016.3 | |||||||
| 25 | 06:51 | S 8 | 10.00 | Mostly Cloudy | SCT045 BKN250 | 64.9 | 57 | 68 | 63 | 76% | 30.02 | 1016.1 | |||||
| 25 | 05:51 | S 5 | 10.00 | Partly Cloudy | FEW030 SCT250 | 63 | 57 | 81% | 30.03 | 1016.6 | |||||||
| 25 | 04:51 | S 7 | 10.00 | A Few Clouds | FEW250 | 64 | 57 | 78% | 30.02 | 1016.2 | |||||||
| 25 | 03:51 | S 6 | 10.00 | A Few Clouds | FEW250 | 63 | 57 | 81% | 30.02 | 1016.3 | |||||||
| 25 | 02:51 | S 7 | 10.00 | A Few Clouds | FEW050 FEW250 | 64.9 | 57 | 76% | 30.03 | 1016.6 | |||||||
| 25 | 01:51 | S 5 | 10.00 | Fair | CLR | 66.9 | 57 | 71% | 30.04 | 1016.8 | |||||||
| 25 | 00:51 | S 6 | 10.00 | Fair | CLR | 68 | 57 | 77 | 66.9 | 68% | 30.04 | 1016.9 | |||||
| 24 | 23:51 | S 5 | 10.00 | Fair | CLR | 68 | 57 | 68% | 30.06 | 1017.5 | |||||||
| 24 | 22:51 | S 5 | 10.00 | A Few Clouds | FEW050 | 70 | 55 | 59% | 30.07 | 1017.8 | |||||||
| 24 | 21:51 | SW 6 | 10.00 | Fair | CLR | 72 | 55 | 55% | 30.06 | 1017.5 | |||||||
| 24 | 20:51 | S 9 | 10.00 | A Few Clouds | FEW055 FEW250 | 73 | 54 | 51% | 30.05 | 1017.3 | |||||||
| 24 | 19:51 | S 7 | 10.00 | A Few Clouds | FEW055 FEW250 | 75 | 54 | 48% | 78 | 30.06 | 1017.4 | ||||||
| 24 | 18:51 | S 7 | 10.00 | Partly Cloudy | FEW055 SCT250 | 77 | 53.1 | 80.1 | 75.9 | 43% | 78 | 30.05 | 1017.3 | ||||
| 24 | 17:51 | SW 6 | 10.00 | Partly Cloudy | SCT065 SCT250 | 78.1 | 50 | 37% | 79 | 30.06 | 1017.7 | ||||||
| 24 | 16:51 | SW 10 | 10.00 | Mostly Cloudy | SCT065 BKN250 | 77 | 50 | 39% | 78 | 30.07 | 1018.0 | ||||||
| 24 | 15:51 | S 9 | 10.00 | Mostly Cloudy | BKN065 BKN250 | 78.1 | 48.9 | 36% | 79 | 30.09 | 1018.4 | ||||||
| 24 | 14:51 | SW 6 | 10.00 | Mostly Cloudy | BKN060 BKN250 | 77 | 48.9 | 37% | 78 | 30.09 | 1018.6 | ||||||
| 24 | 13:51 | S 6 | 10.00 | Mostly Cloudy | SCT060 BKN250 | 75.9 | 51.1 | 42% | 78 | 30.11 | 1019.2 | ||||||
| 24 | 12:51 | SW 10 | 10.00 | Mostly Cloudy | SCT060 SCT200 BKN250 | 78.1 | 48.9 | 78.1 | 66.9 | 36% | 79 | 30.13 | 1019.9 | ||||
| 24 | 11:51 | S 8 | 10.00 | Mostly Cloudy | SCT055 SCT090 BKN200 BKN250 | 75 | 48.9 | 40% | 77 | 30.15 | 1020.5 | ||||||
| 24 | 10:51 | S 5 | 10.00 | Mostly Cloudy | FEW039 FEW070 SCT200 BKN250 | 75 | 50 | 42% | 78 | 30.16 | 1020.8 | ||||||
| 24 | 09:51 | S 6 | 10.00 | Mostly Cloudy | FEW070 SCT200 BKN250 | 73 | 53.1 | 50% | 30.16 | 1021.1 | |||||||
| 24 | 08:51 | S 3 | 10.00 | Overcast | SCT065 BKN200 OVC250 | 70 | 52 | 53% | 30.17 | 1021.3 | |||||||
| 24 | 07:51 | W 3 | 10.00 | Overcast | SCT065 BKN210 OVC250 | 68 | 53.1 | 59% | 30.17 | 1021.2 | |||||||
| 24 | 06:51 | Calm | 10.00 | Overcast | BKN065 OVC250 | 66.9 | 53.1 | 66.9 | 63 | 61% | 30.16 | 1021.1 | |||||
| 24 | 05:51 | Calm | 10.00 | Mostly Cloudy | SCT070 BKN250 | 64 | 52 | 65% | 30.15 | 1020.7 | |||||||
| 24 | 04:51 | SW 3 | 10.00 | Overcast | SCT070 OVC250 | 66 | 51.1 | 59% | 30.16 | 1020.9 | |||||||
| 24 | 03:51 | SW 5 | 10.00 | Overcast | OVC070 | 66 | 51.1 | 59% | 30.16 | 1021.1 | |||||||
| 24 | 02:51 | SW 3 | 10.00 | Mostly Cloudy | SCT070 BKN250 | 66 | 51.1 | 59% | 30.15 | 1020.8 | |||||||
| 24 | 01:51 | Calm | 10.00 | Mostly Cloudy | BKN070 BKN250 | 66 | 51.1 | 59% | 30.15 | 1020.7 | |||||||
| 24 | 00:51 | SW 5 | 10.00 | Mostly Cloudy | SCT060 BKN250 | 66.9 | 51.1 | 73 | 66.9 | 57% | 30.17 | 1021.2 | |||||
| 23 | 23:51 | S 6 | 10.00 | Mostly Cloudy | SCT060 BKN250 | 68 | 50 | 53% | 30.17 | 1021.3 | |||||||
| 23 | 22:51 | SE 6 | 10.00 | Mostly Cloudy | SCT060 BKN250 | 68 | 50 | 53% | 30.17 | 1021.3 | |||||||
| 23 | 21:51 | SE 6 | 10.00 | Mostly Cloudy | SCT065 BKN250 | 70 | 48.9 | 47% | 30.17 | 1021.3 | |||||||
| 23 | 20:51 | SE 8 | 10.00 | Mostly Cloudy | SCT065 BKN250 | 70 | 48 | 46% | 30.16 | 1020.9 | |||||||
| 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) | |||||||||||||||