Weather observations for the past three days for
Chicago, Chicago-O'Hare International Airport
Imperial (Metric)
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 23:51 NW 3 10.00 A Few Clouds FEW250 57 54 90% 30.08 1018.6
27 22:51 NW 5 10.00 A Few Clouds FEW250 57.9 54 87% 30.08 1018.6
27 21:51 N 6 10.00 Partly Cloudy SCT250 59 54 83% 30.09 1018.8
27 20:51 N 5 10.00 Partly Cloudy SCT250 59 54 83% 30.08 1018.7
27 19:51 N 10 10.00 Mostly Cloudy BKN250 62.1 54 75% 30.08 1018.4
27 18:51 NE 9 10.00 Mostly Cloudy BKN250 63 52 72 63 68% 30.07 1018.4
27 17:51 NE 9 10.00 Mostly Cloudy BKN250 66 46.9 50% 30.07 1018.1
27 16:51 NE 8 10.00 Mostly Cloudy BKN250 69.1 48 47% 30.06 1018.0
27 15:51 NE 8 10.00 Mostly Cloudy BKN300 70 48 46% 30.07 1018.0
27 14:51 NE 10 10.00 Partly Cloudy SCT300 72 48.9 44% 30.08 1018.3
27 13:51 NE 9 10.00 Mostly Cloudy BKN300 71.1 44.1 38% 30.09 1018.7
27 12:51 Vrbl 3 10.00 Mostly Cloudy BKN300 69.1 46.9 70 50 45% 30.11 1019.6
27 11:51 Vrbl 5 10.00 Mostly Cloudy BKN300 69.1 46.9 45% 30.13 1020.1
27 10:51 NE 8 10.00 Mostly Cloudy FEW030 BKN300 66.9 46.9 49% 30.14 1020.4
27 09:51 N 3 10.00 Mostly Cloudy FEW002 BKN250 63 55.9 78% 30.14 1020.5
27 08:51 NW 3 1.00 Fog/Mist SCT002 SCT250 55.9 55 97% 30.13 1020.5
27 07:51 Calm 0.25 Fog SCT001 SCT250 53.1 52 96% 30.13 1020.4
27 06:51 W 3 0.50 Fog SCT001 BKN250 50 48 54 48.9 93% 30.12 1020.1
27 05:51 N 3 10.00 Partly Cloudy SCT250 50 46.9 89% 30.11 1019.7
27 04:51 Calm 10.00 A Few Clouds FEW250 50 48 93% 30.11 1019.4
27 03:51 N 3 10.00 Fair CLR 51.1 48.9 92% 30.1 1019.2
27 02:51 Calm 10.00 A Few Clouds FEW300 51.1 48 89% 30.11 1019.6
27 01:51 Calm 10.00 Fair CLR 53.1 48.9 86% 30.11 1019.7
27 00:51 N 3 10.00 Partly Cloudy SCT250 53.1 48.9 60.1 53.1 86% 30.12 1020.1
26 23:51 NE 6 10.00 Partly Cloudy SCT250 55 48.9 80% 30.14 1020.4
26 22:51 NE 3 10.00 Partly Cloudy SCT250 55 48 77% 30.14 1020.5
26 21:51 Calm 10.00 Fair CLR 55.9 48 75% 30.14 1020.5
26 20:51 E 7 10.00 Mostly Cloudy BKN250 57.9 48.9 72% 30.13 1020.4
26 19:51 E 6 10.00 Mostly Cloudy BKN250 57.9 48.9 72% 30.13 1020.3
26 18:51 NE 7 10.00 Mostly Cloudy BKN250 59 46 69.1 59 62% 30.13 1020.5
26 17:51 NE 7 10.00 Mostly Cloudy BKN250 62.1 46.9 58% 30.14 1020.5
26 16:51 NE 9 10.00 Mostly Cloudy BKN250 66 46.9 50% 30.14 1020.6
26 15:51 NE 8 10.00 Mostly Cloudy BKN250 66 45 47% 30.15 1021.0
26 14:51 E 8 10.00 Mostly Cloudy BKN300 68 46 45% 30.17 1021.5
26 13:51 NE 9 10.00 Mostly Cloudy BKN250 68 46.9 47% 30.18 1022.1
26 12:51 Calm 10.00 Mostly Cloudy BKN250 68 46.9 68 53.1 47% 30.21 1022.7
26 11:51 S 5 10.00 Partly Cloudy SCT250 66 48 52% 30.22 1023.3
26 10:51 E 3 10.00 Partly Cloudy FEW030 FEW120 SCT250 64 48.9 58% 30.24 1023.9
26 09:51 Vrbl 5 10.00 Partly Cloudy FEW005 SCT250 63 52 68% 30.24 1024.0
26 08:51 E 6 10.00 A Few Clouds FEW002 FEW250 61 53.1 75% 30.24 1023.9
26 07:51 E 3 10.00 A Few Clouds FEW120 FEW250 55.9 51.1 84% 30.23 1023.8
26 06:51 E 3 10.00 A Few Clouds FEW120 FEW250 53.1 48.9 57.9 51.1 86% 30.22 1023.3
26 05:51 NE 3 10.00 A Few Clouds FEW250 52 46.9 83% 30.21 1023.0
26 04:51 Calm 10.00 A Few Clouds FEW120 FEW250 53.1 48.9 86% 30.22 1023.2
26 03:51 N 3 10.00 A Few Clouds FEW300 53.1 50 89% 30.22 1023.3
26 02:51 Calm 10.00 Fair CLR 54 50 87% 30.21 1023.1
26 01:51 Calm 10.00 A Few Clouds FEW300 53.1 48.9 86% 30.22 1023.4
26 00:51 NE 6 10.00 A Few Clouds FEW300 57 51.1 61 55.9 81% 30.23 1023.8
25 23:51 NE 6 10.00 A Few Clouds FEW250 57 48.9 74% 30.25 1024.2
25 22:51 NE 7 10.00 A Few Clouds FEW120 FEW250 57.9 48 70% 30.26 1024.6
25 21:51 E 8 10.00 A Few Clouds FEW250 59 48 67% 30.26 1024.7
25 20:51 E 6 10.00 A Few Clouds FEW120 FEW250 59 50 72% 30.26 1024.7
25 19:51 E 6 10.00 Mostly Cloudy BKN110 BKN250 59 50 72% 30.26 1024.7
25 18:51 E 6 10.00 Mostly Cloudy BKN110 BKN250 61 50 64 61 67% 30.25 1024.4
25 17:51 E 7 10.00 Overcast BKN100 OVC250 63 48.9 60% 30.25 1024.4
25 16:51 E 7 10.00 Overcast OVC100 63 48.9 60% 30.26 1024.5
25 15:51 E 7 10.00 Overcast OVC100 64 48.9 58% 30.27 1025.0
25 14:51 E 7 10.00 Overcast FEW055 OVC100 64 50 60% 30.28 1025.2
25 13:51 E 9 10.00 Overcast OVC100 64 50 60% 30.29 1025.4
25 12:51 E 8 10.00 Overcast OVC100 64 52 64 60.1 65% 30.31 1026.4
25 11:51 E 6 10.00 Overcast FEW080 OVC110 64 54 70% 30.32 1026.7
25 10:51 E 6 10.00 Overcast FEW080 OVC110 63 55 76% 30.33 1026.8
25 09:51 E 5 10.00 Overcast FEW025 FEW080 OVC130 63 54 73% 30.33 1027.0
25 08:51 E 5 10.00 Overcast FEW100 OVC120 62.1 55.9 80% 30.33 1026.9
25 07:51 E 3 10.00 Overcast FEW100 OVC120 61 55 81% 30.32 1026.7
25 06:51 E 3 10.00 Overcast BKN130 OVC180 60.1 55 63 60.1 84% 30.31 1026.3
25 05:51 E 6 10.00 Overcast FEW020 BKN150 OVC250 61 55 81% 30.29 1025.7
25 04:51 NE 7 10.00 Overcast BKN160 OVC250 61 55.9 84% 30.28 1025.4
25 03:51 E 6 10.00 Overcast FEW050 BKN160 OVC250 61 57 87% 30.27 1024.9
25 02:51 E 5 10.00 Overcast SCT050 BKN160 OVC250 62.1 55.9 80% 30.28 1025.2
25 01:51 E 6 10.00 Overcast FEW020 BKN050 OVC250 62.1 55 78% 30.29 1025.5
25 00:51 SE 6 10.00 Mostly Cloudy BKN050 BKN250 63 55 64.9 63 76% 30.29 1025.4
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)