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. | ||||||||||||||||
| 30 | 23:51 | Calm | 7.00 | Light Rain | SCT025 OVC034 | 41 | 37 | 86% | 29.98 | 1015.3 | 0.03 | ||||||
| 30 | 22:51 | E 6 | 10.00 | Overcast | OVC030 | 41 | 35.1 | 79% | 38 | 29.97 | 1015.1 | ||||||
| 30 | 21:51 | E 8 | 10.00 | Light Rain | OVC032 | 41 | 34 | 76% | 36 | 29.98 | 1015.5 | 0.04 | 0.05 | ||||
| 30 | 20:51 | E 9 | 10.00 | Light Rain | BKN034 OVC041 | 42.1 | 32 | 68% | 37 | 29.96 | 1015.0 | 0.01 | |||||
| 30 | 19:51 | E 9 | 10.00 | Overcast | SCT030 BKN044 OVC055 | 42.1 | 34 | 73% | 37 | 29.96 | 1014.7 | ||||||
| 30 | 18:51 | E 9 | 10.00 | Light Rain | SCT028 OVC032 | 43 | 37 | 51.1 | 43 | 80% | 38 | 29.96 | 1015.0 | 0.01 | 0.03 | ||
| 30 | 17:51 | E 10 | 10.00 | Light Rain | BKN036 OVC050 | 44.1 | 37 | 76% | 39 | 29.96 | 1015.0 | 0.02 | |||||
| 30 | 16:51 | E 8 | 10.00 | Light Rain | BKN042 OVC060 | 46 | 36 | 68% | 42 | 29.96 | 1015.0 | ||||||
| 30 | 15:51 | E 12 | 10.00 | Mostly Cloudy | FEW050 BKN060 BKN080 | 48 | 36 | 63% | 44 | 29.96 | 1015.0 | ||||||
| 30 | 14:51 | NE 10 | 10.00 | Mostly Cloudy | FEW050 BKN065 BKN080 BKN250 | 48.9 | 37 | 64% | 45 | 29.98 | 1015.4 | ||||||
| 30 | 13:51 | NE 12 | 10.00 | Overcast | BKN070 OVC100 | 48.9 | 37.9 | 66% | 45 | 29.98 | 1015.6 | ||||||
| 30 | 12:51 | E 10 | 10.00 | Overcast | BKN060 OVC110 | 51.1 | 37.9 | 55.9 | 41 | 61% | 29.99 | 1015.9 | |||||
| 30 | 11:51 | W 9 | 10.00 | Mostly Cloudy | FEW035 BKN060 BKN080 | 54 | 30 | 40% | 30 | 1016.1 | |||||||
| 30 | 10:51 | Vrbl 3 | 10.00 | Mostly Cloudy | FEW040 BKN065 BKN085 | 53.1 | 30 | 41% | 30.01 | 1016.5 | |||||||
| 30 | 09:51 | Calm | 10.00 | Partly Cloudy | SCT070 SCT110 | 51.1 | 35.1 | 54% | 30.02 | 1016.8 | |||||||
| 30 | 08:51 | Vrbl 3 | 10.00 | Partly Cloudy | SCT080 | 46.9 | 37.9 | 71% | 30.03 | 1017.2 | |||||||
| 30 | 07:51 | Calm | 10.00 | A Few Clouds | FEW085 | 43 | 37.9 | 82% | 30.03 | 1017.3 | |||||||
| 30 | 06:51 | Calm | 10.00 | A Few Clouds | FEW080 | 41 | 37 | 41 | 37 | 86% | 30.02 | 1017.1 | |||||
| 30 | 05:51 | NW 3 | 10.00 | A Few Clouds | FEW080 | 37.9 | 36 | 93% | 30.02 | 1016.9 | |||||||
| 30 | 04:51 | Calm | 10.00 | Fair | CLR | 39 | 36 | 89% | 30.01 | 1016.6 | |||||||
| 30 | 03:51 | SW 3 | 10.00 | Fair | CLR | 39 | 37 | 93% | 30.01 | 1016.5 | |||||||
| 30 | 02:51 | W 6 | 9.00 | Fair | CLR | 39.9 | 37 | 89% | 36 | 30 | 1016.3 | ||||||
| 30 | 01:51 | SW 5 | 9.00 | Fair | CLR | 39.9 | 37.9 | 93% | 37 | 30.01 | 1016.6 | ||||||
| 30 | 00:51 | SW 5 | 10.00 | Fair | CLR | 41 | 39 | 46.9 | 41 | 93% | 38 | 30.02 | 1016.8 | ||||
| 29 | 23:51 | Calm | 10.00 | A Few Clouds | FEW090 | 41 | 39 | 93% | 30.02 | 1016.7 | |||||||
| 29 | 22:51 | Calm | 10.00 | A Few Clouds | FEW060 FEW090 | 43 | 37.9 | 82% | 30.02 | 1016.9 | |||||||
| 29 | 21:51 | N 5 | 10.00 | Partly Cloudy | FEW029 SCT050 SCT085 | 43 | 39 | 86% | 41 | 30.02 | 1017.0 | ||||||
| 29 | 20:51 | N 10 | 10.00 | Mostly Cloudy | FEW020 BKN033 BKN080 | 44.1 | 37.9 | 79% | 39 | 30.02 | 1016.9 | ||||||
| 29 | 19:51 | NE 8 | 10.00 | Mostly Cloudy | FEW021 BKN033 BKN080 BKN250 | 45 | 37.9 | 77% | 41 | 30 | 1016.2 | ||||||
| 29 | 18:51 | N 10 | 10.00 | Mostly Cloudy | FEW018 SCT029 BKN080 | 46 | 39 | 53.1 | 46 | 77% | 42 | 29.98 | 1015.4 | ||||
| 29 | 17:51 | N 12 | 10.00 | Mostly Cloudy | FEW014 SCT026 BKN080 | 46.9 | 39.9 | 77% | 42 | 29.97 | 1014.9 | ||||||
| 29 | 16:51 | NE 12 | 10.00 | Mostly Cloudy | SCT021 BKN050 BKN085 | 46.9 | 39.9 | 77% | 42 | 29.96 | 1014.5 | ||||||
| 29 | 15:51 | N 15 | 10.00 | Light Rain | SCT022 BKN037 OVC070 | 48 | 39.9 | 74% | 43 | 29.95 | 1014.4 | ||||||
| 29 | 14:51 | N 12 | 10.00 | Mostly Cloudy | BKN017 BKN041 BKN070 | 51.1 | 43 | 74% | 29.95 | 1014.3 | |||||||
| 29 | 13:51 | N 16 | 10.00 | Overcast | BKN019 BKN048 OVC065 | 50 | 42.1 | 74% | 45 | 29.94 | 1013.9 | ||||||
| 29 | 12:51 | NW 16 | 10.00 | Overcast | BKN020 OVC033 | 52 | 45 | 55.9 | 50 | 77% | 29.93 | 1013.5 | |||||
| 29 | 11:51 | N 12 | 10.00 | Overcast | BKN030 BKN043 OVC090 | 53.1 | 44.1 | 72% | 29.91 | 1013.0 | |||||||
| 29 | 10:51 | N 8 | 10.00 | Overcast | OVC032 | 54 | 43 | 67% | 29.91 | 1012.9 | |||||||
| 29 | 09:51 | N 9 | 10.00 | Mostly Cloudy | BKN025 BKN050 | 54 | 43 | 67% | 29.91 | 1012.9 | |||||||
| 29 | 08:51 | NW 8 | 10.00 | Mostly Cloudy | SCT070 SCT090 BKN130 | 54 | 44.1 | 69% | 29.91 | 1012.9 | |||||||
| 29 | 07:51 | N 8 | 10.00 | Mostly Cloudy | BKN060 | 50 | 43 | 77% | 47 | 29.92 | 1013.1 | ||||||
| 29 | 06:51 | N 7 | 10.00 | Overcast | OVC060 | 50 | 43 | 57 | 50 | 77% | 48 | 29.91 | 1013.0 | ||||
| 29 | 05:51 | N 13 | 10.00 | Overcast | OVC060 | 52 | 41 | 66% | 29.9 | 1012.6 | |||||||
| 29 | 04:51 | NW 12 | 10.00 | Overcast | BKN060 OVC085 | 54 | 37.9 | 55% | 29.88 | 1011.7 | |||||||
| 29 | 03:51 | N 10 | 10.00 | Overcast | BKN060 BKN075 OVC090 | 54 | 41 | 62% | 29.87 | 1011.4 | |||||||
| 29 | 02:51 | NW 9 | 10.00 | Overcast | BKN060 OVC100 | 55 | 41 | 59% | 29.88 | 1011.8 | |||||||
| 29 | 01:51 | NW 7 | 10.00 | Mostly Cloudy | FEW060 BKN120 BKN200 | 55 | 39.9 | 57% | 29.89 | 1012.1 | |||||||
| 29 | 00:51 | NW 6 | 10.00 | Mostly Cloudy | BKN100 | 57 | 39.9 | 62.1 | 55.9 | 53% | 29.89 | 1012.2 | |||||
| 28 | 23:51 | N 10 | 10.00 | Mostly Cloudy | FEW050 BKN130 BKN250 | 55.9 | 42.1 | 60% | 29.89 | 1012.0 | |||||||
| 28 | 22:51 | W 6 | 10.00 | Mostly Cloudy | SCT050 BKN100 BKN250 | 57.9 | 46 | 65% | 29.92 | 1013.3 | |||||||
| 28 | 21:51 | SW 5 | 10.00 | Overcast | SCT050 BKN120 OVC250 | 59 | 46 | 62% | 29.92 | 1013.1 | |||||||
| 28 | 20:51 | SW 3 | 10.00 | Overcast | SCT130 OVC250 | 59 | 45 | 60% | 29.9 | 1012.7 | |||||||
| 28 | 19:51 | W 6 | 10.00 | Overcast | SCT150 OVC250 | 61 | 45 | 56% | 29.88 | 1012.0 | |||||||
| 28 | 18:51 | W 5 | 10.00 | Overcast | BKN140 OVC250 | 62.1 | 44.1 | 64 | 57.9 | 52% | 29.88 | 1011.9 | |||||
| 28 | 17:51 | NW 5 | 10.00 | Partly Cloudy | FEW030 FEW120 SCT250 | 64 | 45 | 50% | 29.89 | 1012.1 | |||||||
| 28 | 16:51 | NW 10 | 10.00 | Mostly Cloudy | FEW033 BKN250 | 63 | 45 | 52% | 29.9 | 1012.5 | |||||||
| 28 | 15:51 | W 9 G 18 | 10.00 | Mostly Cloudy | FEW033 BKN250 | 63 | 46 | 54% | 29.91 | 1012.8 | |||||||
| 28 | 14:51 | W 16 G 24 | 10.00 | Partly Cloudy | FEW032 SCT250 | 61 | 45 | 56% | 29.92 | 1013.0 | |||||||
| 28 | 13:51 | SW 14 G 29 | 10.00 | Partly Cloudy | SCT032 SCT250 | 60.1 | 45 | 58% | 29.95 | 1014.1 | |||||||
| 28 | 12:51 | SW 15 G 23 | 10.00 | Mostly Cloudy | BKN030 BKN250 | 57.9 | 44.1 | 59 | 50 | 60% | 29.95 | 1014.0 | |||||
| 28 | 11:51 | W 12 G 20 | 10.00 | Mostly Cloudy | BKN030 BKN250 | 57 | 44.1 | 62% | 29.93 | 1013.5 | |||||||
| 28 | 09:51 | W 14 G 21 | 10.00 | Overcast | OVC025 | 52 | 43 | 72% | 29.91 | 1012.8 | |||||||
| 28 | 08:51 | W 13 G 21 | 10.00 | Overcast | OVC022 | 51.1 | 42.1 | 71% | 29.89 | 1012.3 | |||||||
| 28 | 07:51 | W 10 G 20 | 10.00 | Overcast | OVC017 | 51.1 | 44.1 | 77% | 29.85 | 1010.9 | |||||||
| 28 | 06:51 | W 12 G 24 | 10.00 | Overcast | OVC020 | 51.1 | 43 | 60.1 | 51.1 | 74% | 29.81 | 1009.3 | |||||
| 28 | 05:51 | W 21 G 37 | 10.00 | Overcast and Breezy | OVC019 | 51.1 | 44.1 | 77% | 29.76 | 1007.7 | |||||||
| 28 | 04:51 | W 16 G 33 | 10.00 | Overcast | OVC019 | 52 | 45 | 77% | 29.73 | 1006.7 | |||||||
| 28 | 03:51 | W 20 G 38 | 10.00 | Overcast | OVC020 | 54 | 46.9 | 77% | 29.71 | 1005.8 | |||||||
| 28 | 02:51 | W 15 G 29 | 10.00 | Overcast | OVC020 | 55 | 48.9 | 80% | 29.68 | 1005.0 | |||||||
| 28 | 01:51 | W 18 G 30 | 10.00 | Overcast | OVC023 | 59 | 52 | 78% | 29.66 | 1004.1 | |||||||
| 28 | 00:51 | SW 12 | 10.00 | Overcast | BKN011 BKN016 OVC034 | 60.1 | 57.9 | 66.9 | 60.1 | 93% | 29.65 | 1003.9 | 0.38 | ||||
| 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) | |||||||||||||||