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. | ||||||||||||||||
| 27 | 11:51 | S 10 | 10.00 | Light Rain | FEW090 BKN110 BKN180 OVC250 | 59 | 52 | 78% | 29.78 | 1008.6 | |||||||
| 27 | 10:51 | SE 13 | 10.00 | Overcast | FEW047 FEW075 OVC100 | 57 | 53.1 | 87% | 29.79 | 1008.9 | 0.03 | ||||||
| 27 | 09:51 | SE 12 | 5.00 | Light Rain | SCT070 OVC095 | 57 | 52 | 83% | 29.81 | 1009.7 | 0.02 | 0.02 | |||||
| 27 | 08:51 | S 12 | 10.00 | Overcast | BKN095 BKN120 OVC250 | 57 | 48.9 | 74% | 29.84 | 1010.6 | |||||||
| 27 | 07:51 | SE 15 | 10.00 | Overcast | SCT075 BKN100 BKN130 OVC250 | 55.9 | 48.9 | 77% | 29.84 | 1010.5 | |||||||
| 27 | 06:51 | SE 9 | 10.00 | Overcast | FEW075 FEW100 BKN130 OVC250 | 55 | 48 | 55 | 46.9 | 77% | 29.88 | 1011.9 | |||||
| 27 | 05:51 | SE 10 | 10.00 | Overcast | FEW100 BKN160 OVC250 | 54 | 48 | 80% | 29.89 | 1012.2 | |||||||
| 27 | 04:51 | SE 13 | 10.00 | Overcast | BKN160 BKN210 OVC300 | 54 | 48 | 80% | 29.88 | 1011.8 | |||||||
| 27 | 03:51 | SE 9 | 10.00 | Overcast | BKN190 OVC240 | 53.1 | 48 | 83% | 29.92 | 1013.3 | |||||||
| 27 | 02:51 | E 8 | 10.00 | Overcast | BKN210 OVC250 | 51.1 | 46.9 | 86% | 29.94 | 1014.0 | |||||||
| 27 | 01:51 | E 5 | 10.00 | Overcast | OVC210 | 48.9 | 44.1 | 83% | 48 | 29.96 | 1014.8 | ||||||
| 27 | 00:51 | NE 5 | 9.00 | Overcast | OVC210 | 46.9 | 43 | 57 | 46 | 86% | 45 | 29.99 | 1015.5 | ||||
| 26 | 23:51 | E 12 | 9.00 | Overcast | OVC250 | 46 | 42.1 | 86% | 41 | 29.99 | 1015.7 | ||||||
| 26 | 22:51 | E 10 | 10.00 | Overcast | OVC250 | 46 | 42.1 | 86% | 42 | 30.01 | 1016.6 | ||||||
| 26 | 21:51 | E 8 | 10.00 | Overcast | OVC250 | 46.9 | 43 | 86% | 44 | 30.04 | 1017.4 | ||||||
| 26 | 20:51 | E 8 | 10.00 | Overcast | OVC250 | 50 | 44.1 | 80% | 47 | 30.02 | 1016.8 | ||||||
| 26 | 19:51 | E 10 | 10.00 | Mostly Cloudy | FEW200 BKN250 | 55 | 46 | 72% | 30 | 1016.1 | |||||||
| 26 | 18:51 | E 9 | 10.00 | Partly Cloudy | FEW200 SCT250 | 57 | 46 | 59 | 53.1 | 67% | 29.99 | 1015.8 | |||||
| 26 | 17:51 | E 12 | 10.00 | Partly Cloudy | SCT250 | 59 | 46 | 62% | 30.01 | 1016.3 | |||||||
| 26 | 16:51 | E 13 | 10.00 | Mostly Cloudy | BKN250 | 57.9 | 46 | 65% | 29.99 | 1015.7 | |||||||
| 26 | 15:51 | NE 14 G 20 | 10.00 | Mostly Cloudy | FEW200 BKN250 | 57.9 | 46 | 65% | 30.01 | 1016.2 | |||||||
| 26 | 14:51 | E 12 | 10.00 | Mostly Cloudy | FEW019 BKN250 | 57.9 | 46 | 65% | 30.04 | 1017.3 | |||||||
| 26 | 13:51 | NE 13 | 10.00 | Partly Cloudy | FEW019 SCT250 | 55.9 | 46 | 70% | 30.05 | 1017.9 | |||||||
| 26 | 12:51 | NE 8 | 10.00 | Mostly Cloudy | BKN015 BKN250 | 53.1 | 45 | 54 | 48 | 74% | 30.08 | 1018.8 | |||||
| 26 | 11:51 | NE 10 | 10.00 | Overcast | OVC011 | 52 | 45 | 77% | 30.09 | 1019.2 | |||||||
| 26 | 10:51 | E 9 | 9.00 | Overcast | OVC008 | 48.9 | 45 | 86% | 45 | 30.1 | 1019.4 | ||||||
| 26 | 09:51 | E 10 | 5.00 | Fog/Mist | OVC007 | 48.9 | 45 | 86% | 45 | 30.09 | 1019.1 | ||||||
| 26 | 08:51 | E 8 | 4.00 | Fog/Mist | OVC006 | 48.9 | 45 | 86% | 46 | 30.08 | 1019.0 | ||||||
| 26 | 07:51 | E 7 | 2.50 | Fog/Mist | OVC003 | 48 | 46 | 93% | 45 | 30.07 | 1018.6 | ||||||
| 26 | 06:51 | NE 3 | 5.00 | Fog/Mist | OVC003 | 45 | 44.1 | 45 | 42.1 | 97% | 30.06 | 1018.3 | |||||
| 26 | 05:51 | NE 5 | 8.00 | Overcast | SCT004 OVC007 | 44.1 | 41 | 89% | 42 | 30.05 | 1017.9 | ||||||
| 26 | 04:51 | N 5 | 10.00 | Partly Cloudy | SCT009 | 42.1 | 39 | 89% | 40 | 30.04 | 1017.4 | ||||||
| 26 | 03:51 | N 3 | 10.00 | Fair | CLR | 43 | 39 | 86% | 30.03 | 1017.1 | |||||||
| 26 | 02:51 | E 6 | 10.00 | Fair | CLR | 42.1 | 39 | 89% | 39 | 30 | 1016.2 | ||||||
| 26 | 01:51 | NE 6 | 10.00 | A Few Clouds | FEW300 | 43 | 39 | 86% | 40 | 30.02 | 1016.7 | ||||||
| 26 | 00:51 | NE 8 | 10.00 | A Few Clouds | FEW250 | 43 | 39 | 48 | 43 | 86% | 39 | 30.02 | 1016.9 | ||||
| 25 | 23:51 | NE 9 | 10.00 | A Few Clouds | FEW250 | 44.1 | 39 | 83% | 40 | 30.01 | 1016.4 | ||||||
| 25 | 22:51 | NE 12 | 10.00 | Partly Cloudy | FEW180 SCT250 | 46 | 39.9 | 79% | 41 | 30.02 | 1016.6 | ||||||
| 25 | 21:51 | NE 9 | 10.00 | Partly Cloudy | FEW180 SCT250 | 46 | 39.9 | 79% | 42 | 30.02 | 1016.9 | ||||||
| 25 | 20:51 | N 10 | 10.00 | Partly Cloudy | FEW007 FEW180 SCT250 | 46.9 | 39.9 | 77% | 43 | 30.02 | 1016.7 | ||||||
| 25 | 19:51 | NE 13 | 10.00 | Partly Cloudy | FEW007 FEW180 SCT250 | 46 | 41 | 83% | 41 | 30.01 | 1016.5 | ||||||
| 25 | 18:51 | NE 13 | 10.00 | Mostly Cloudy | FEW007 BKN250 | 48 | 41 | 55.9 | 48 | 77% | 43 | 30 | 1016.1 | ||||
| 25 | 17:51 | NE 13 G 24 | 10.00 | Mostly Cloudy | FEW007 BKN250 | 51.1 | 42.1 | 71% | 30 | 1016.2 | |||||||
| 25 | 16:51 | NE 13 | 10.00 | Mostly Cloudy | FEW008 BKN250 | 53.1 | 42.1 | 66% | 30 | 1015.9 | |||||||
| 25 | 15:51 | N 13 | 10.00 | Partly Cloudy | FEW008 SCT250 | 55 | 43 | 64% | 29.99 | 1015.5 | |||||||
| 25 | 14:51 | NE 13 G 22 | 10.00 | A Few Clouds | FEW008 FEW030 FEW250 | 53.1 | 43 | 69% | 29.99 | 1015.8 | |||||||
| 25 | 13:51 | NE 13 G 21 | 10.00 | A Few Clouds | FEW008 FEW030 FEW250 | 52 | 42.1 | 69% | 30 | 1016.0 | |||||||
| 25 | 12:51 | NE 14 | 10.00 | A Few Clouds | FEW010 FEW250 | 54 | 43 | 55 | 46 | 67% | 29.99 | 1015.5 | |||||
| 25 | 11:51 | NE 13 G 20 | 10.00 | A Few Clouds | FEW020 FEW250 | 55 | 43 | 64% | 29.98 | 1015.3 | |||||||
| 25 | 10:51 | N 13 | 10.00 | A Few Clouds | FEW012 FEW020 FEW250 | 53.1 | 44.1 | 72% | 29.98 | 1015.2 | |||||||
| 25 | 09:51 | N 14 | 10.00 | Partly Cloudy | SCT012 | 50 | 42.1 | 74% | 45 | 29.98 | 1015.2 | ||||||
| 25 | 08:51 | NE 17 | 10.00 | Overcast | OVC009 | 46.9 | 42.1 | 83% | 41 | 29.98 | 1015.3 | ||||||
| 25 | 07:51 | NE 15 | 4.00 | Light Drizzle Fog/Mist | OVC007 | 46.9 | 44.1 | 90% | 41 | 29.98 | 1015.3 | ||||||
| 25 | 06:51 | N 14 | 10.00 | Light Drizzle | OVC009 | 46.9 | 43 | 48 | 45 | 86% | 42 | 29.97 | 1014.7 | ||||
| 25 | 05:51 | NE 16 | 10.00 | Overcast | OVC004 | 46 | 42.1 | 86% | 40 | 29.95 | 1014.2 | ||||||
| 25 | 04:51 | N 12 | 7.00 | Overcast | OVC009 | 46 | 43 | 89% | 41 | 29.93 | 1013.4 | ||||||
| 25 | 03:51 | NE 13 | 10.00 | Overcast | OVC009 | 46.9 | 43 | 86% | 42 | 29.91 | 1012.9 | ||||||
| 25 | 02:51 | NE 10 | 10.00 | Overcast | OVC010 | 48 | 44.1 | 86% | 44 | 29.89 | 1011.9 | ||||||
| 25 | 01:51 | NE 9 | 10.00 | Mostly Cloudy | BKN009 | 48 | 42.1 | 80% | 44 | 29.87 | 1011.5 | ||||||
| 25 | 00:51 | NE 14 | 10.00 | Partly Cloudy | SCT009 SCT250 | 48 | 43 | 69.1 | 48 | 83% | 43 | 29.86 | 1011.1 | ||||
| 24 | 23:51 | NE 13 | 10.00 | Mostly Cloudy | BKN008 BKN045 BKN250 | 50 | 46.9 | 89% | 46 | 29.86 | 1011.0 | ||||||
| 24 | 22:51 | NE 7 | 10.00 | Partly Cloudy | FEW045 SCT250 | 59 | 52 | 78% | 29.83 | 1010.0 | |||||||
| 24 | 21:51 | N 8 | 10.00 | Mostly Cloudy | FEW045 BKN250 | 60.1 | 50 | 70% | 29.82 | 1009.5 | |||||||
| 24 | 20:51 | N 12 | 10.00 | Mostly Cloudy | FEW045 BKN250 | 64 | 50 | 60% | 29.79 | 1008.5 | |||||||
| 24 | 19:51 | NW 7 | 10.00 | Mostly Cloudy | FEW043 BKN250 | 66.9 | 51.1 | 57% | 29.75 | 1007.2 | |||||||
| 24 | 18:51 | NW 10 | 10.00 | Mostly Cloudy | SCT042 BKN250 | 69.1 | 51.1 | 70 | 66.9 | 53% | 29.74 | 1006.8 | |||||
| 24 | 17:51 | W 12 | 10.00 | Mostly Cloudy | BKN042 BKN250 | 69.1 | 53.1 | 57% | 29.73 | 1006.3 | |||||||
| 24 | 16:51 | W 8 | 10.00 | Mostly Cloudy | SCT039 BKN250 | 69.1 | 54 | 59% | 29.72 | 1005.8 | |||||||
| 24 | 15:51 | W 10 | 10.00 | Mostly Cloudy | BKN032 BKN041 BKN250 | 68 | 54 | 61% | 29.72 | 1006.2 | |||||||
| 24 | 14:51 | W 12 | 10.00 | Overcast | BKN037 OVC250 | 66.9 | 54 | 63% | 29.72 | 1006.3 | |||||||
| 24 | 13:51 | W 9 | 10.00 | Overcast | SCT030 BKN130 OVC250 | 68 | 55 | 63% | 29.71 | 1005.8 | |||||||
| 24 | 12:51 | W 10 | 10.00 | Overcast | FEW030 SCT130 BKN160 OVC250 | 69.1 | 55 | 71.1 | 66.9 | 61% | 29.7 | 1005.5 | |||||
| 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) | |||||||||||||||