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. | ||||||||||||||||
| 10 | 07:51 | N 8 | 10.00 | Mostly Cloudy | FEW140 BKN250 | 66.9 | 61 | 81% | 30.02 | 1016.2 | |||||||
| 10 | 06:51 | NW 3 | 10.00 | Mostly Cloudy | FEW140 BKN250 | 68 | 62.1 | 71.1 | 66.9 | 81% | 30.01 | 1015.8 | |||||
| 10 | 05:51 | NW 5 | 10.00 | Mostly Cloudy | BKN250 | 66.9 | 64.9 | 93% | 30.01 | 1015.6 | |||||||
| 10 | 04:51 | NW 5 | 10.00 | Overcast | OVC250 | 66.9 | 66 | 97% | 29.99 | 1015.1 | |||||||
| 10 | 03:51 | W 3 | 10.00 | Overcast | OVC250 | 68 | 66.9 | 96% | 30 | 1015.4 | |||||||
| 10 | 02:51 | W 6 | 10.00 | Overcast | OVC250 | 69.1 | 68 | 96% | 30 | 1015.5 | |||||||
| 10 | 01:51 | W 7 | 10.00 | Overcast | OVC250 | 70 | 68 | 93% | 30 | 1015.4 | |||||||
| 10 | 00:51 | W 7 | 10.00 | Mostly Cloudy | BKN250 | 71.1 | 68 | 77 | 71.1 | 90% | 30 | 1015.3 | |||||
| 09 | 23:51 | W 7 | 10.00 | Mostly Cloudy | BKN250 | 71.1 | 69.1 | 94% | 29.99 | 1015.2 | |||||||
| 09 | 22:51 | SW 7 | 10.00 | Mostly Cloudy | BKN250 | 72 | 69.1 | 91% | 30 | 1015.4 | |||||||
| 09 | 21:51 | SW 6 | 10.00 | Mostly Cloudy | BKN250 | 72 | 69.1 | 91% | 30 | 1015.3 | |||||||
| 09 | 20:51 | SW 6 | 10.00 | Partly Cloudy | SCT250 | 73 | 69.1 | 87% | 29.99 | 1015.0 | |||||||
| 09 | 19:51 | SW 3 | 10.00 | Mostly Cloudy | BKN250 | 75 | 68 | 79% | 76 | 29.98 | 1014.7 | ||||||
| 09 | 18:51 | W 6 | 10.00 | Partly Cloudy | FEW027 SCT250 | 77 | 68 | 80.1 | 75.9 | 74% | 79 | 29.98 | 1014.7 | ||||
| 09 | 17:51 | W 10 | 10.00 | Mostly Cloudy | FEW025 BKN240 | 79 | 69.1 | 72% | 82 | 29.97 | 1014.4 | ||||||
| 09 | 15:51 | W 12 G 21 | 10.00 | Overcast | SCT026 BKN035 OVC250 | 79 | 66.9 | 67% | 81 | 29.99 | 1014.9 | ||||||
| 09 | 14:51 | W 13 G 17 | 10.00 | Mostly Cloudy | SCT020 BKN029 BKN250 | 79 | 69.1 | 72% | 82 | 29.99 | 1014.9 | ||||||
| 09 | 13:48 | W 10 G 20 | 10.00 | Mostly Cloudy | SCT019 SCT025 BKN070 BKN180 | 77 | 69.1 | 77% | 79 | 30.01 | 1015.8 | ||||||
| 09 | 12:51 | W 12 G 18 | 10.00 | Mostly Cloudy | FEW014 SCT021 BKN190 | 75.9 | 70 | 75.9 | 71.1 | 82% | 77 | 30.02 | 1015.9 | 0.04 | |||
| 09 | 11:51 | W 9 | 10.00 | Mostly Cloudy | BKN015 BKN150 | 73 | 70 | 90% | 30.03 | 1016.6 | |||||||
| 09 | 10:51 | W 8 G 17 | 6.00 | Light Rain Fog/Mist | FEW015 BKN027 OVC095 | 73 | 70 | 90% | 30.05 | 1017.0 | 0.02 | ||||||
| 09 | 09:51 | W 12 | 10.00 | Overcast | SCT041 BKN110 OVC150 | 73 | 70 | 90% | 30.03 | 1016.6 | 0.02 | ||||||
| 09 | 08:51 | W 6 | 10.00 | Light Drizzle | SCT010 BKN070 BKN100 OVC150 | 72 | 70 | 94% | 30.01 | 1015.8 | |||||||
| 09 | 07:51 | SW 5 | 10.00 | Light Rain | FEW021 SCT060 OVC095 | 71.1 | 69.1 | 94% | 30.02 | 1016.2 | 0.02 | ||||||
| 09 | 06:51 | SW 6 | 9.00 | Light Rain | SCT029 SCT041 BKN060 OVC150 | 71.1 | 66.9 | 78.1 | 71.1 | 87% | 30.02 | 1015.9 | 0.02 | 0.02 | |||
| 09 | 05:51 | W 5 | 10.00 | Light Rain | FEW120 BKN140 OVC250 | 73.9 | 64.9 | 74% | 29.99 | 1014.9 | |||||||
| 09 | 04:51 | SW 8 | 10.00 | Overcast | BKN150 OVC250 | 75.9 | 64 | 67% | 78 | 29.98 | 1014.5 | ||||||
| 09 | 03:51 | S 7 | 10.00 | Overcast | BKN180 OVC250 | 75 | 64.9 | 71% | 77 | 29.97 | 1014.4 | ||||||
| 09 | 02:51 | S 6 | 10.00 | Overcast | FEW070 OVC190 | 75 | 64.9 | 71% | 77 | 30 | 1015.2 | ||||||
| 09 | 01:51 | S 5 | 10.00 | Light Rain | BKN065 BKN085 OVC150 | 75.9 | 64.9 | 69% | 78 | 30.03 | 1016.3 | ||||||
| 09 | 00:51 | Calm | 10.00 | Overcast | BKN075 OVC250 | 78.1 | 63 | 82 | 77 | 60% | 80 | 30.03 | 1016.3 | ||||
| 08 | 23:51 | S 5 | 10.00 | Overcast | BKN080 OVC250 | 78.1 | 62.1 | 58% | 80 | 30.03 | 1016.4 | ||||||
| 08 | 22:51 | SW 3 | 10.00 | Overcast | BKN085 BKN120 OVC250 | 78.1 | 61 | 56% | 80 | 30.05 | 1016.9 | ||||||
| 08 | 21:51 | SW 7 | 10.00 | Mostly Cloudy | SCT090 BKN190 BKN250 | 79 | 60.1 | 52% | 80 | 30.05 | 1017.0 | ||||||
| 08 | 20:51 | S 9 | 10.00 | Mostly Cloudy | SCT085 BKN190 BKN250 | 80.1 | 60.1 | 51% | 81 | 30.03 | 1016.3 | ||||||
| 08 | 19:51 | S 10 G 18 | 10.00 | Mostly Cloudy | FEW100 SCT180 BKN250 | 81 | 59 | 47% | 81 | 30.02 | 1016.3 | ||||||
| 08 | 18:51 | S 13 | 10.00 | Mostly Cloudy | FEW100 SCT190 BKN250 | 82 | 59 | 84.9 | 81 | 46% | 82 | 30.02 | 1016.1 | ||||
| 08 | 17:51 | S 15 G 24 | 10.00 | Partly Cloudy | FEW100 SCT250 | 84 | 57.9 | 41% | 83 | 30.02 | 1016.3 | ||||||
| 08 | 16:51 | S 12 | 10.00 | Partly Cloudy | FEW110 SCT250 | 84.9 | 60.1 | 43% | 85 | 30.04 | 1016.7 | ||||||
| 08 | 14:51 | S 6 | 10.00 | Mostly Cloudy | FEW075 FEW110 BKN250 | 82.9 | 57.9 | 43% | 83 | 30.08 | 1018.2 | ||||||
| 08 | 13:51 | Vrbl 5 | 10.00 | Mostly Cloudy | FEW080 FEW110 BKN250 | 81 | 55.9 | 42% | 81 | 30.1 | 1019.0 | ||||||
| 08 | 12:51 | SW 5 | 10.00 | Mostly Cloudy | FEW100 BKN250 | 81 | 59 | 81 | 64.9 | 47% | 81 | 30.13 | 1020.0 | ||||
| 08 | 11:51 | W 6 | 10.00 | Mostly Cloudy | FEW110 BKN250 | 79 | 59 | 50% | 80 | 30.15 | 1020.6 | ||||||
| 08 | 10:51 | S 3 | 10.00 | Mostly Cloudy | FEW110 BKN250 | 75.9 | 60.1 | 58% | 78 | 30.17 | 1021.1 | ||||||
| 08 | 09:51 | S 6 | 10.00 | Mostly Cloudy | FEW110 BKN250 | 72 | 59 | 64% | 30.14 | 1020.4 | |||||||
| 08 | 08:51 | S 6 | 10.00 | Overcast | OVC250 | 68 | 57 | 68% | 30.15 | 1020.6 | |||||||
| 08 | 07:51 | S 7 | 10.00 | Overcast | OVC250 | 66 | 55.9 | 70% | 30.15 | 1020.7 | |||||||
| 08 | 06:51 | SE 5 | 10.00 | Overcast | OVC250 | 64.9 | 54 | 68 | 64.9 | 68% | 30.15 | 1020.5 | |||||
| 08 | 05:51 | SE 7 | 10.00 | Mostly Cloudy | BKN250 | 64.9 | 54 | 68% | 30.13 | 1019.8 | |||||||
| 08 | 04:51 | SE 6 | 10.00 | Mostly Cloudy | BKN250 | 64.9 | 55 | 70% | 30.12 | 1019.5 | |||||||
| 08 | 03:51 | SE 6 | 10.00 | Partly Cloudy | SCT250 | 66 | 55.9 | 70% | 30.13 | 1019.7 | |||||||
| 08 | 02:51 | SE 8 | 10.00 | A Few Clouds | FEW250 | 66.9 | 57.9 | 73% | 30.12 | 1019.5 | |||||||
| 08 | 01:51 | Calm | 10.00 | A Few Clouds | FEW250 | 68 | 61 | 78% | 30.14 | 1020.1 | |||||||
| 08 | 00:51 | SE 6 | 10.00 | A Few Clouds | FEW250 | 68 | 61 | 75 | 68 | 78% | 30.15 | 1020.6 | |||||
| 07 | 23:51 | E 5 | 10.00 | Partly Cloudy | SCT250 | 68 | 61 | 78% | 30.15 | 1020.5 | |||||||
| 07 | 22:51 | E 7 | 10.00 | Partly Cloudy | SCT250 | 70 | 61 | 73% | 30.15 | 1020.6 | |||||||
| 07 | 21:51 | E 7 | 10.00 | Partly Cloudy | SCT250 | 70 | 61 | 73% | 30.14 | 1020.3 | |||||||
| 07 | 20:51 | E 6 | 10.00 | Mostly Cloudy | BKN250 | 71.1 | 60.1 | 68% | 30.14 | 1020.4 | |||||||
| 07 | 19:51 | E 8 | 10.00 | Mostly Cloudy | BKN250 | 72 | 59 | 64% | 30.12 | 1019.7 | |||||||
| 07 | 18:51 | NE 8 | 10.00 | Mostly Cloudy | BKN250 | 75 | 57.9 | 81 | 73.9 | 55% | 78 | 30.13 | 1020.0 | ||||
| 07 | 17:51 | E 9 | 10.00 | Mostly Cloudy | BKN250 | 75.9 | 57 | 52% | 78 | 30.12 | 1019.6 | ||||||
| 07 | 16:51 | NE 9 G 18 | 10.00 | Mostly Cloudy | BKN250 | 78.1 | 55.9 | 47% | 79 | 30.13 | 1019.8 | ||||||
| 07 | 15:51 | NE 9 | 10.00 | Partly Cloudy | SCT250 | 79 | 55.9 | 45% | 80 | 30.13 | 1019.8 | ||||||
| 07 | 14:51 | E 8 | 10.00 | A Few Clouds | FEW250 | 79 | 55 | 44% | 80 | 30.15 | 1020.4 | ||||||
| 07 | 13:51 | E 9 G 21 | 10.00 | A Few Clouds | FEW060 FEW250 | 80.1 | 52 | 38% | 80 | 30.15 | 1020.6 | ||||||
| 07 | 12:51 | E 7 | 10.00 | Partly Cloudy | FEW055 SCT300 | 79 | 52 | 79 | 64.9 | 39% | 79 | 30.17 | 1021.3 | ||||
| 07 | 11:51 | E 12 | 10.00 | A Few Clouds | FEW050 FEW300 | 79 | 53.1 | 41% | 79 | 30.18 | 1021.6 | ||||||
| 07 | 10:51 | E 7 G 18 | 10.00 | A Few Clouds | FEW041 | 77 | 55 | 47% | 78 | 30.19 | 1021.8 | ||||||
| 07 | 09:51 | SE 6 | 10.00 | A Few Clouds | FEW036 FEW300 | 75 | 59 | 58% | 77 | 30.18 | 1021.7 | ||||||
| 07 | 08:51 | S 6 | 10.00 | A Few Clouds | FEW150 FEW300 | 72 | 59 | 64% | 30.18 | 1021.7 | |||||||
| 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) | |||||||||||||||