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. | ||||||||||||||||
| 18 | 20:51 | SW 7 | 10.00 | Mostly Cloudy | SCT210 BKN250 | 51.1 | 12.9 | 22% | 29.62 | 1002.8 | |||||||
| 18 | 19:51 | SW 8 | 10.00 | A Few Clouds | FEW250 | 52 | 12.9 | 21% | 29.61 | 1002.5 | |||||||
| 18 | 18:51 | S 7 | 10.00 | Fair | CLR | 55 | 10 | 16% | 29.59 | 1002.1 | |||||||
| 18 | 17:51 | SW 8 | 10.00 | A Few Clouds | FEW250 | 57 | 10 | 63 | 57 | 15% | 29.58 | 1001.6 | |||||
| 18 | 16:51 | W 18 G 31 | 10.00 | A Few Clouds | FEW300 | 61 | 7 | 11% | 29.55 | 1000.7 | |||||||
| 18 | 15:51 | SW 22 G 36 | 10.00 | Fair and Breezy | CLR | 62.1 | 10.9 | 13% | 29.53 | 999.9 | |||||||
| 18 | 14:51 | SW 21 G 45 | 10.00 | Fair and Breezy | CLR | 63 | 16 | 16% | 29.51 | 999.2 | |||||||
| 18 | 13:51 | SW 25 G 48 | 10.00 | Fair and Breezy | CLR | 62.1 | 26.1 | 25% | 29.5 | 999.0 | |||||||
| 18 | 12:51 | SW 21 G 38 | 10.00 | A Few Clouds and Breezy | FEW060 | 61 | 30.9 | 32% | 29.51 | 999.3 | |||||||
| 18 | 11:51 | SW 20 G 33 | 10.00 | Fair | CLR | 59 | 36 | 59 | 53.1 | 42% | 29.51 | 999.3 | |||||
| 18 | 10:51 | W 23 G 35 | 10.00 | A Few Clouds and Breezy | FEW034 | 59 | 39 | 48% | 29.5 | 999.0 | |||||||
| 18 | 09:51 | W 16 G 28 | 10.00 | A Few Clouds | FEW028 | 57.9 | 43 | 58% | 29.48 | 998.4 | |||||||
| 18 | 08:51 | SW 14 G 25 | 10.00 | A Few Clouds | FEW022 | 55.9 | 46.9 | 72% | 29.48 | 998.3 | |||||||
| 18 | 07:51 | SW 14 G 26 | 10.00 | Partly Cloudy | SCT016 | 55 | 48.9 | 80% | 29.46 | 997.7 | |||||||
| 18 | 06:51 | SW 13 G 21 | 10.00 | Overcast | BKN016 BKN024 OVC034 | 53.1 | 48.9 | 86% | 29.46 | 997.5 | |||||||
| 18 | 05:51 | S 10 G 25 | 10.00 | Overcast | BKN017 OVC025 | 53.1 | 48.9 | 53.1 | 51.1 | 86% | 29.46 | 997.5 | 0.01 | ||||
| 18 | 04:51 | S 17 G 26 | 9.00 | Overcast | BKN016 BKN021 OVC026 | 52 | 48 | 86% | 29.46 | 997.6 | |||||||
| 18 | 03:51 | S 20 G 31 | 9.00 | Overcast | BKN018 BKN026 OVC033 | 52 | 48 | 86% | 29.46 | 997.6 | |||||||
| 18 | 02:51 | S 17 G 28 | 9.00 | Overcast | BKN015 OVC023 | 52 | 48 | 86% | 29.49 | 998.7 | 0.01 | ||||||
| 18 | 01:51 | S 17 G 26 | 8.00 | Overcast | BKN013 OVC033 | 52 | 48 | 86% | 29.54 | 1000.2 | |||||||
| 18 | 00:51 | S 15 G 25 | 8.00 | Light Rain | OVC012 | 51.1 | 48 | 89% | 29.57 | 1001.5 | 0.01 | ||||||
| 17 | 23:51 | S 14 G 21 | 5.00 | Light Rain Fog/Mist | OVC010 | 51.1 | 48 | 53.1 | 48.9 | 89% | 29.6 | 1002.5 | 0.01 | 0.04 | |||
| 17 | 22:51 | S 18 G 30 | 8.00 | Overcast | OVC007 | 50 | 48 | 93% | 44 | 29.59 | 1002.0 | ||||||
| 17 | 21:51 | SE 15 G 25 | 7.00 | Light Rain | OVC009 | 48.9 | 46 | 90% | 44 | 29.62 | 1003.1 | 0.02 | |||||
| 17 | 20:51 | S 15 G 28 | 8.00 | Light Rain | BKN015 OVC090 | 50 | 45 | 83% | 45 | 29.7 | 1005.9 | 0.01 | |||||
| 17 | 19:51 | SE 13 | 8.00 | Light Rain | FEW020 OVC080 | 50 | 46 | 86% | 46 | 29.69 | 1005.6 | 0.01 | |||||
| 17 | 18:51 | S 13 | 10.00 | Overcast | SCT019 BKN130 OVC250 | 52 | 44.1 | 75% | 29.73 | 1006.8 | |||||||
| 17 | 17:51 | S 12 | 10.00 | Overcast | BKN150 OVC250 | 53.1 | 43 | 55.9 | 51.1 | 69% | 29.74 | 1007.3 | |||||
| 17 | 16:51 | E 9 | 10.00 | Overcast | BKN170 OVC250 | 52 | 42.1 | 69% | 29.76 | 1007.8 | |||||||
| 17 | 15:51 | E 9 | 10.00 | Overcast | FEW170 OVC250 | 54 | 41 | 62% | 29.77 | 1008.3 | |||||||
| 17 | 14:51 | SE 10 | 10.00 | Mostly Cloudy | SCT160 BKN250 | 55 | 39.9 | 57% | 29.79 | 1009.0 | |||||||
| 17 | 13:51 | SE 8 | 10.00 | Overcast | BKN140 OVC250 | 55 | 39.9 | 57% | 29.81 | 1009.5 | |||||||
| 17 | 12:51 | SE 7 | 10.00 | Overcast | BKN130 OVC250 | 54 | 39.9 | 59% | 29.85 | 1010.9 | |||||||
| 17 | 11:51 | SE 7 | 10.00 | Overcast | SCT150 OVC250 | 53.1 | 39.9 | 53.1 | 41 | 61% | 29.87 | 1011.7 | |||||
| 17 | 10:51 | SE 8 | 10.00 | Mostly Cloudy | FEW070 BKN250 | 51.1 | 39.9 | 66% | 29.89 | 1012.4 | |||||||
| 17 | 09:51 | S 3 | 10.00 | Mostly Cloudy | FEW080 FEW200 BKN250 | 48.9 | 39 | 69% | 29.92 | 1013.4 | |||||||
| 17 | 08:51 | S 6 | 10.00 | Overcast | FEW180 OVC250 | 45 | 37.9 | 77% | 42 | 29.92 | 1013.4 | ||||||
| 17 | 07:51 | SE 6 | 10.00 | Overcast | SCT180 OVC250 | 42.1 | 37 | 82% | 39 | 29.92 | 1013.3 | ||||||
| 17 | 06:51 | S 3 | 10.00 | Mostly Cloudy | FEW110 SCT220 BKN250 | 41 | 36 | 82% | 29.93 | 1013.7 | |||||||
| 17 | 05:51 | S 5 | 10.00 | Mostly Cloudy | FEW100 BKN180 | 42.1 | 36 | 51.1 | 41 | 79% | 40 | 29.92 | 1013.4 | ||||
| 17 | 04:51 | S 6 | 10.00 | Mostly Cloudy | BKN220 | 42.1 | 36 | 79% | 39 | 29.93 | 1013.7 | ||||||
| 17 | 03:51 | S 3 | 10.00 | Mostly Cloudy | FEW100 BKN250 | 43 | 36 | 76% | 29.93 | 1013.6 | |||||||
| 17 | 02:51 | S 3 | 10.00 | Mostly Cloudy | FEW100 BKN250 | 45 | 37 | 74% | 29.93 | 1013.7 | |||||||
| 17 | 01:51 | SW 6 | 10.00 | Mostly Cloudy | BKN100 BKN250 | 48 | 37.9 | 68% | 46 | 29.95 | 1014.1 | ||||||
| 17 | 00:51 | S 7 | 10.00 | Overcast | OVC100 | 50 | 37.9 | 63% | 48 | 29.95 | 1014.1 | ||||||
| 16 | 23:51 | SW 10 | 10.00 | Overcast | OVC110 | 51.1 | 39 | 61 | 51.1 | 64% | 29.96 | 1014.5 | |||||
| 16 | 22:51 | SW 10 | 10.00 | Overcast | OVC110 | 52 | 37.9 | 59% | 29.96 | 1014.6 | |||||||
| 16 | 21:51 | SW 13 G 22 | 10.00 | Overcast | OVC110 | 54 | 37.9 | 55% | 29.94 | 1013.9 | |||||||
| 16 | 20:51 | SW 13 | 10.00 | Overcast | OVC110 | 57 | 37 | 47% | 29.94 | 1013.9 | |||||||
| 16 | 19:51 | SW 8 | 10.00 | Overcast | FEW120 BKN140 OVC160 | 57.9 | 37 | 46% | 29.92 | 1013.4 | |||||||
| 16 | 18:51 | SW 10 | 10.00 | Mostly Cloudy | BKN140 | 59 | 36 | 42% | 29.91 | 1013.1 | |||||||
| 16 | 17:51 | SW 8 | 10.00 | Partly Cloudy | FEW150 SCT300 | 61 | 37 | 64.9 | 59 | 41% | 29.9 | 1012.5 | |||||
| 16 | 16:51 | SW 12 | 10.00 | Mostly Cloudy | FEW150 BKN300 | 64.9 | 37.9 | 37% | 29.88 | 1012.0 | |||||||
| 16 | 15:51 | SW 15 | 10.00 | Mostly Cloudy | FEW150 BKN300 | 64.9 | 41 | 42% | 29.87 | 1011.7 | |||||||
| 16 | 14:51 | SW 13 G 23 | 10.00 | Mostly Cloudy | FEW150 BKN300 | 64 | 42.1 | 45% | 29.87 | 1011.7 | |||||||
| 16 | 13:51 | SW 21 G 31 | 10.00 | Mostly Cloudy and Breezy | FEW200 BKN250 | 63 | 42.1 | 47% | 29.87 | 1011.6 | |||||||
| 16 | 12:51 | SW 23 G 35 | 10.00 | Partly Cloudy and Breezy | FEW200 SCT250 | 62.1 | 43 | 50% | 29.88 | 1012.0 | |||||||
| 16 | 11:51 | SW 18 G 29 | 10.00 | Partly Cloudy | FEW200 SCT250 | 59 | 45 | 59 | 37.9 | 60% | 29.89 | 1012.5 | |||||
| 16 | 10:51 | SW 15 | 10.00 | Mostly Cloudy | FEW150 BKN210 | 52 | 44.1 | 75% | 29.92 | 1013.5 | |||||||
| 16 | 09:51 | SW 13 | 10.00 | Mostly Cloudy | FEW150 BKN200 | 46 | 41 | 83% | 41 | 29.94 | 1014.1 | ||||||
| 16 | 08:51 | SW 15 G 18 | 4.00 | Fog/Mist | FEW003 BKN200 | 43 | 41 | 93% | 36 | 29.94 | 1014.3 | ||||||
| 16 | 07:51 | SW 12 | 0.75 | Fog/Mist | OVC002 | 41 | 39.9 | 96% | 35 | 29.93 | 1014.1 | ||||||
| 16 | 06:51 | SW 8 | 3.00 | Fog/Mist | BKN003 OVC220 | 39.9 | 39 | 97% | 35 | 29.93 | 1013.8 | ||||||
| 16 | 05:51 | S 6 | 7.00 | Mostly Cloudy | FEW004 SCT200 BKN250 | 37.9 | 36 | 39.9 | 35.1 | 93% | 34 | 29.93 | 1013.9 | ||||
| 16 | 04:51 | SW 7 | 9.00 | Partly Cloudy | SCT230 | 37.9 | 35.1 | 89% | 33 | 29.93 | 1013.7 | ||||||
| 16 | 03:51 | SW 6 | 10.00 | Partly Cloudy | SCT210 | 37.9 | 30 | 73% | 34 | 29.93 | 1013.7 | ||||||
| 16 | 02:51 | SW 6 | 10.00 | Mostly Cloudy | BKN220 | 39 | 28.9 | 67% | 35 | 29.93 | 1013.6 | ||||||
| 16 | 01:51 | SW 7 | 10.00 | Mostly Cloudy | FEW150 BKN220 | 39.9 | 28 | 63% | 36 | 29.94 | 1013.9 | ||||||
| 16 | 00:51 | SW 8 | 10.00 | Mostly Cloudy | SCT120 BKN250 | 39.9 | 28 | 63% | 35 | 29.93 | 1013.8 | ||||||
| 15 | 23:51 | Calm | 10.00 | Partly Cloudy | SCT250 | 37 | 28 | 53.1 | 37 | 70% | 29.93 | 1014.0 | |||||
| 15 | 22:51 | Calm | 10.00 | A Few Clouds | FEW250 | 39.9 | 28.9 | 65% | 29.94 | 1014.2 | |||||||
| 15 | 21:51 | S 3 | 10.00 | A Few Clouds | FEW250 | 42.1 | 30.9 | 65% | 29.94 | 1014.2 | |||||||
| 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) | |||||||||||||||