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.
30 01:51 N 3 10.00 A Few Clouds FEW250 51.1 35.1 54% 30.27 1025.0
30 00:51 Calm 10.00 A Few Clouds FEW250 50 35.1 61 50 57% 30.26 1024.5
29 23:51 NW 7 10.00 Fair CLR 52 35.1 53% 30.25 1024.2
29 22:51 NW 6 10.00 Fair CLR 55.9 34 44% 30.24 1024.1
29 21:51 NW 7 10.00 Fair CLR 55.9 36 47% 30.22 1023.2
29 20:51 W 5 10.00 Fair CLR 57 37.9 49% 30.2 1022.7
29 19:51 W 3 10.00 Fair CLR 59 37 44% 30.19 1022.2
29 18:51 NW 8 10.00 Fair CLR 61 36 69.1 61 39% 30.18 1021.8
29 17:51 NW 10 10.00 A Few Clouds FEW035 FEW250 64.9 37.9 37% 30.15 1020.9
29 16:51 NW 10 10.00 A Few Clouds FEW035 66.9 41 39% 30.14 1020.2
29 15:51 NW 7 10.00 A Few Clouds FEW037 FEW047 69.1 46.9 45% 30.12 1019.5
29 14:51 NW 10 10.00 Partly Cloudy FEW027 SCT038 SCT046 68 51.1 55% 30.1 1019.0
29 13:51 NW 9 10.00 Overcast BKN024 OVC038 66.9 55 66% 30.1 1018.9
29 12:51 W 8 10.00 Overcast BKN042 OVC110 66 54 66 62.1 65% 30.09 1018.8
29 11:51 W 9 10.00 Overcast OVC036 66 53.1 63% 30.09 1018.8
29 10:51 W 10 10.00 Mostly Cloudy FEW048 SCT100 BKN250 66 52 61% 30.08 1018.3
29 09:51 SW 12 10.00 Mostly Cloudy FEW040 SCT110 BKN140 BKN250 64 51.1 63% 30.07 1018.1
29 08:51 SW 13 G 22 10.00 Mostly Cloudy FEW070 SCT120 BKN250 64 50 60% 30.06 1017.5
29 07:51 SW 9 10.00 Mostly Cloudy FEW065 FEW130 BKN250 62.1 48.9 62% 30.04 1016.8
29 05:51 SW 13 10.00 Mostly Cloudy FEW075 SCT150 BKN250 63 48.9 60% 30.03 1016.7
29 04:51 SW 10 G 21 10.00 Mostly Cloudy FEW075 BKN140 BKN250 64 48 56% 30.04 1016.9
29 03:51 SW 9 G 22 10.00 Mostly Cloudy BKN075 BKN140 64.9 48 54% 30.04 1017.0
29 01:51 SW 15 G 24 10.00 Mostly Cloudy SCT090 BKN140 68 46.9 47% 30.06 1017.7
29 00:51 SW 13 G 20 10.00 Overcast BKN090 OVC140 66.9 48 69.1 66.9 51% 30.06 1017.7
28 23:51 S 13 G 25 10.00 Mostly Cloudy SCT090 BKN130 66.9 48 51% 30.06 1017.5
28 22:51 S 10 10.00 Mostly Cloudy BKN120 68 48 49% 30.08 1018.4
28 21:51 S 9 10.00 Mostly Cloudy BKN120 68 48 49% 30.08 1018.4
28 20:51 S 9 10.00 Partly Cloudy SCT100 68 50 53% 30.08 1018.4
28 19:51 S 10 10.00 A Few Clouds FEW095 69.1 50 51% 30.09 1018.7
28 18:51 S 7 10.00 A Few Clouds FEW095 69.1 50 75.9 69.1 51% 30.1 1019.1
28 17:51 S 6 10.00 A Few Clouds FEW085 72 50 46% 30.1 1019.0
28 16:51 S 12 G 18 10.00 A Few Clouds FEW080 FEW250 75 50 42% 78 30.1 1019.1
28 15:51 S 14 G 22 10.00 A Few Clouds FEW250 75.9 50 40% 78 30.11 1019.5
28 13:51 S 12 G 20 10.00 Fair CLR 73.9 50 43% 30.14 1020.4
28 12:51 S 8 10.00 Fair CLR 73 50 73 55 44% 30.16 1021.2
28 11:51 Vrbl 5 10.00 Fair CLR 72 50 46% 30.18 1021.9
28 10:51 SW 8 10.00 Fair CLR 68 48.9 51% 30.2 1022.7
28 09:51 S 7 10.00 A Few Clouds FEW085 64 48.9 58% 30.22 1023.1
28 08:51 S 5 10.00 A Few Clouds FEW085 59 48.9 69% 30.22 1023.2
28 07:51 S 3 10.00 Mostly Cloudy BKN090 57 48.9 74% 30.21 1022.9
28 06:51 S 3 10.00 Mostly Cloudy BKN095 55 48 60.1 55 77% 30.2 1022.8
28 05:51 S 3 10.00 A Few Clouds FEW110 FEW200 55.9 46.9 72% 30.2 1022.5
28 04:51 S 5 10.00 Partly Cloudy FEW110 SCT180 57 46.9 69% 30.19 1022.3
28 03:51 S 3 10.00 Mostly Cloudy BKN110 BKN180 59 46.9 64% 30.19 1022.3
28 02:51 S 6 10.00 Mostly Cloudy BKN120 BKN180 59 46.9 64% 30.19 1022.2
28 01:51 S 6 10.00 Mostly Cloudy BKN150 BKN200 59 48 67% 30.18 1021.9
28 00:51 S 3 10.00 Mostly Cloudy FEW150 BKN190 BKN250 57.9 48 66 57 70% 30.19 1022.0
27 23:51 S 6 10.00 Partly Cloudy SCT150 SCT250 57.9 48 70% 30.19 1022.1
27 22:51 S 5 10.00 Partly Cloudy FEW140 SCT250 59 50 72% 30.19 1022.4
27 21:51 S 5 10.00 Mostly Cloudy SCT140 BKN170 BKN250 62.1 48.9 62% 30.19 1022.2
27 19:51 S 5 10.00 Overcast BKN180 OVC250 64.9 51.1 61% 30.19 1022.3
27 18:51 SE 7 10.00 Overcast BKN170 OVC250 66 52 69.1 64.9 61% 30.19 1022.2
27 17:51 SE 6 10.00 Overcast BKN170 OVC250 66 51.1 59% 30.18 1021.8
27 16:51 SE 5 10.00 Overcast SCT210 OVC250 66.9 52 59% 30.18 1022.0
27 15:51 S 7 10.00 Mostly Cloudy BKN250 68 51.1 55% 30.18 1021.9
27 14:51 S 7 10.00 Mostly Cloudy FEW210 BKN250 68 52 57% 30.19 1022.1
27 13:51 SE 8 10.00 Mostly Cloudy SCT210 BKN250 68 52 57% 30.2 1022.5
27 12:51 S 7 10.00 Overcast SCT180 OVC250 64.9 52 66 53.1 63% 30.23 1023.8
27 11:51 S 5 8.00 Overcast BKN180 OVC250 62.1 51.1 67% 30.25 1024.5
27 10:51 S 7 8.00 Mostly Cloudy FEW210 BKN250 60.1 51.1 72% 30.26 1024.7
27 09:51 SE 7 8.00 Mostly Cloudy FEW210 BKN250 57 51.1 81% 30.27 1025.1
27 08:51 SE 10 7.00 Mostly Cloudy BKN250 55.9 51.1 84% 30.27 1025.0
27 07:51 SE 7 6.00 Fog/Mist FEW220 BKN250 55 51.1 87% 30.27 1025.0
27 06:51 SE 3 10.00 Mostly Cloudy FEW150 BKN250 53.1 50 55.9 53.1 89% 30.26 1024.9
27 05:51 E 5 10.00 Mostly Cloudy FEW150 BKN250 53.1 50 89% 30.26 1024.7
27 04:51 E 6 10.00 Mostly Cloudy FEW150 BKN250 54 48.9 83% 30.26 1024.7
27 03:51 NE 5 10.00 Mostly Cloudy FEW150 BKN250 55 48.9 80% 30.26 1024.7
27 02:51 NE 7 10.00 Mostly Cloudy FEW140 SCT200 BKN250 55.9 50 81% 30.26 1024.7
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)