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 S 9 10.00 Overcast FEW065 BKN085 OVC150 70 50 49% 29.91 1012.3
30 00:51 S 10 10.00 Overcast BKN080 BKN140 OVC200 70 50 73.9 68 49% 29.91 1012.2
29 23:51 S 9 10.00 Mostly Cloudy SCT180 BKN250 69.1 48.9 49% 29.91 1012.6
29 22:51 S 9 10.00 Overcast BKN190 OVC250 69.1 48.9 49% 29.92 1012.8
29 21:51 S 6 10.00 Overcast BKN210 OVC250 68 55 63% 29.92 1012.8
29 20:51 SE 6 10.00 Overcast OVC250 68 55.9 65% 29.93 1013.2
29 19:51 SE 3 10.00 Overcast OVC250 70 54 57% 29.92 1013.1
29 18:51 S 3 10.00 Overcast OVC250 73.9 48 78.1 73 40% 29.92 1013.0
29 17:51 S 6 10.00 Overcast FEW200 OVC250 75 48.9 40% 77 29.92 1012.8
29 16:51 S 9 10.00 Mostly Cloudy FEW200 BKN250 75 48.9 40% 77 29.92 1013.1
29 15:51 S 12 G 18 10.00 Mostly Cloudy FEW200 BKN250 77 48.9 37% 78 29.94 1013.5
29 14:51 SW 9 10.00 Mostly Cloudy FEW200 BKN250 78.1 50 37% 79 29.96 1014.3
29 13:51 SW 9 10.00 Mostly Cloudy FEW200 BKN250 77 51.1 40% 78 29.99 1015.2
29 12:51 SW 9 10.00 Mostly Cloudy BKN250 75 50 75 54 42% 78 30.01 1015.9
29 11:51 S 6 10.00 Partly Cloudy SCT250 73 53.1 50% 30.01 1016.1
29 10:51 S 3 10.00 Partly Cloudy SCT250 69.1 53.1 57% 30.04 1017.0
29 09:51 SW 3 10.00 Partly Cloudy SCT250 64.9 54 68% 30.04 1017.2
29 08:51 S 6 7.00 Partly Cloudy FEW004 SCT250 59 55.9 90% 30.05 1017.5
29 07:51 Calm 4.00 Fog/Mist FEW003 FEW250 55 55 100% 30.05 1017.4
29 06:51 Calm 5.00 Shallow Fog Fog/Mist SCT002 SCT030 54 52 57.9 54 93% 30.05 1017.4
29 05:51 Calm 5.00 Shallow Fog Fog/Mist FEW005 54 53.1 97% 30.03 1017.0
29 03:51 Calm 10.00 Fair CLR 55 53.1 93% 30.03 1016.8
29 02:51 Calm 10.00 Fair CLR 55.9 54 93% 30.03 1016.9
29 01:51 Calm 10.00 Fair CLR 57 55 93% 30.05 1017.2
29 00:51 Calm 10.00 Fair CLR 57 55 66 57 93% 30.03 1016.9
28 23:51 Calm 10.00 Fair CLR 60.1 57.9 93% 30.04 1017.1
28 22:51 E 5 10.00 Fair CLR 61 57 87% 30.04 1017.2
28 21:51 Calm 10.00 Fair CLR 60.1 57 90% 30.05 1017.5
28 20:51 E 6 10.00 Fair CLR 63 57 81% 30.05 1017.3
28 19:51 E 6 10.00 Fair CLR 64 55 73% 30.05 1017.6
28 18:51 E 6 10.00 A Few Clouds FEW250 66 53.1 73 66 63% 30.05 1017.4
28 17:51 NE 9 10.00 A Few Clouds FEW250 68 51.1 55% 30.04 1017.3
28 16:51 NE 8 10.00 A Few Clouds FEW250 70 51.1 51% 30.05 1017.3
28 15:51 NE 12 10.00 A Few Clouds FEW250 71.1 53.1 53% 30.05 1017.4
28 14:51 Vrbl 6 10.00 A Few Clouds FEW027 FEW250 72 55 55% 30.06 1017.6
28 13:51 Vrbl 3 10.00 A Few Clouds FEW027 FEW250 72 51.1 48% 30.06 1017.9
28 12:51 Vrbl 6 10.00 A Few Clouds FEW027 71.1 55 72 52 57% 30.09 1018.7
28 11:51 NE 3 10.00 A Few Clouds FEW027 FEW090 69.1 55 61% 30.1 1019.0
28 10:51 N 8 10.00 Mostly Cloudy BKN100 BKN250 66.9 57 71% 30.11 1019.4
28 09:51 N 6 10.00 Mostly Cloudy BKN095 BKN250 63 55 76% 30.11 1019.6
28 08:51 N 3 10.00 Mostly Cloudy SCT095 BKN250 60.1 52 75% 30.11 1019.6
28 07:51 Calm 10.00 Partly Cloudy FEW110 SCT250 55.9 48.9 77% 30.11 1019.6
28 06:51 W 5 10.00 Mostly Cloudy BKN250 52 48 55.9 52 86% 30.11 1019.5
28 05:51 NW 5 10.00 Partly Cloudy SCT250 53.1 48 83% 30.09 1018.9
28 04:51 NW 3 10.00 A Few Clouds FEW250 53.1 48.9 86% 30.09 1018.8
28 03:51 Calm 10.00 A Few Clouds FEW250 53.1 50 89% 30.08 1018.5
28 02:51 N 5 10.00 A Few Clouds FEW250 54 51.1 90% 30.08 1018.5
28 01:51 N 3 10.00 A Few Clouds FEW250 54 52 93% 30.09 1018.6
28 00:51 NW 5 10.00 A Few Clouds FEW250 55.9 53.1 63 55.9 90% 30.08 1018.5
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
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)