Weather observations for the past three days for
Chicago, Chicago-O'Hare International Airport
Metric (Imperial)
Date Time (cst) Wind (kph) Vis. (km) Weather Sky Cond. Temperature (ºC) Relative Humidity Wind Chill (°C) Heat Index (°C) Pressure Precipitation (cm)
Air Dwpt 6 hour altimeter (cm) sea level (mb) 1 hr 3 hr 6 hr
Max. Min.
15 19:51 SE 9 16.09 Fair CLR 6.1 -1.7 58% 4 76.02 1013.9
15 18:51 Calm 16.09 Fair CLR 8.3 -1.7 50% 76 1013.6
15 17:51 NW 9 16.09 A Few Clouds FEW250 11.7 -1.7 15.6 11.7 40% 75.95 1013.1
15 16:51 NW 11 16.09 A Few Clouds FEW250 13.9 -2.8 32% 75.92 1012.3
15 15:51 W 13 16.09 A Few Clouds FEW250 15 -1.7 32% 75.87 1011.6
15 14:51 NW 13 16.09 Fair CLR 15.6 -1.1 32% 75.84 1011.4
15 13:51 Vrbl 6 16.09 Fair CLR 15 0.6 38% 75.87 1011.7
15 12:51 W 9 16.09 Fair CLR 13.3 1.7 46% 75.9 1012.0
15 11:51 NW 15 16.09 Fair CLR 12.8 3.3 12.8 -0.6 53% 75.95 1012.7
15 10:51 W 17 14.48 Fair CLR 11.1 4.4 64% 75.95 1012.9
15 09:51 W 11 14.48 A Few Clouds FEW110 8.3 3.3 71% 7 75.97 1013.2
15 08:51 W 13 12.87 A Few Clouds FEW120 FEW250 5 0.6 73% 2 75.97 1013.4
15 07:51 SW 7 9.66 A Few Clouds with Haze FEW120 2.2 -1.1 79% 0 76 1013.8
15 06:51 SW 7 16.09 Partly Cloudy SCT120 SCT250 0.6 -1.7 85% -1 76 1013.5
15 05:51 SW 9 16.09 A Few Clouds FEW120 -0.6 -2.2 1.7 -1.1 89% -3 76 1013.6
15 04:51 SW 9 16.09 A Few Clouds FEW120 -0.6 -2.2 89% -3 76 1013.6
15 03:51 W 11 16.09 Fair CLR -1.1 -2.8 88% -5 75.97 1013.4
15 02:51 SW 9 16.09 Partly Cloudy SCT250 -0.6 -2.2 89% -3 75.97 1013.3
15 01:51 SW 11 16.09 Partly Cloudy SCT250 0 -2.2 85% -3 76 1013.4
15 00:51 SW 9 16.09 Overcast FEW100 OVC250 1.1 -1.7 82% -1 76 1013.7
14 23:51 SW 6 16.09 Overcast FEW230 OVC250 1.7 -1.1 7.8 1.1 82% 76.05 1014.1
14 22:51 Calm 16.09 Overcast SCT250 OVC300 2.2 -1.1 79% 76.07 1014.6
14 21:51 SW 7 16.09 Mostly Cloudy BKN240 2.8 -0.6 79% 1 76.1 1015.1
14 20:51 SW 9 16.09 Overcast OVC240 3.3 -0.6 76% 1 76.1 1014.9
14 19:51 SW 7 16.09 Overcast OVC210 5.6 -0.6 65% 4 76.1 1015.0
14 18:51 SW 9 16.09 Overcast OVC220 6.1 0 65% 4 76.1 1015.0
14 17:51 S 9 16.09 Overcast OVC230 7.8 -0.6 10.6 7.2 56% 6 76.07 1014.6
14 16:51 SE 13 14.48 Overcast BKN220 OVC250 8.9 -0.6 52% 7 76.05 1014.4
14 15:51 SE 6 14.48 Overcast BKN220 OVC250 10 -0.6 48% 76.07 1014.4
14 14:51 W 6 14.48 Mostly Cloudy SCT230 BKN250 10.6 -1.1 45% 76.12 1015.2
14 13:51 SW 6 14.48 Mostly Cloudy BKN240 10.6 -1.1 45% 76.12 1015.0
14 12:51 Calm 14.48 Mostly Cloudy BKN240 9.4 -0.6 50% 76.15 1015.4
14 11:51 Calm 16.09 Overcast OVC240 7.2 -1.1 7.2 -1.7 56% 76.23 1016.4
14 10:51 Calm 16.09 Overcast OVC230 5.6 -1.1 62% 76.25 1016.9
14 09:51 SW 7 16.09 Overcast OVC240 3.9 -1.7 67% 2 76.28 1017.4
14 08:51 Calm 16.09 Overcast OVC240 1.7 -2.2 76% 76.3 1017.8
14 07:51 Calm 16.09 Mostly Cloudy BKN250 0 -2.8 82% 76.3 1017.7
14 06:51 Calm 16.09 Mostly Cloudy BKN250 -1.7 -4.4 82% 76.3 1017.6
14 05:51 SW 6 16.09 Mostly Cloudy BKN250 1.1 -2.8 4.4 0.6 76% 76.28 1017.4
14 04:51 SW 6 16.09 Fair CLR 1.1 -2.8 76% 76.28 1017.2
14 03:51 SW 6 16.09 Fair CLR 1.7 -2.8 72% 76.25 1016.7
14 02:51 S 7 16.09 Fair CLR 2.2 -2.8 70% 0 76.25 1016.9
14 01:51 SW 7 16.09 Fair CLR 2.8 -2.8 67% 1 76.3 1017.7
14 00:51 SW 9 16.09 Fair CLR 3.9 -2.2 65% 2 76.33 1018.0
13 23:51 SW 13 16.09 Fair CLR 4.4 -2.2 8.9 4.4 63% 2 76.35 1018.2
13 22:51 SW 13 16.09 Fair CLR 5.6 -2.2 58% 3 76.35 1018.3
13 21:51 SW 13 16.09 Fair CLR 6.1 -2.8 53% 4 76.35 1018.4
13 20:51 SW 9 16.09 Fair CLR 6.1 -2.8 53% 4 76.33 1018.1
13 19:51 SW 11 16.09 A Few Clouds FEW250 6.7 -2.8 51% 5 76.3 1017.9
13 18:51 S 7 16.09 A Few Clouds FEW250 7.8 -3.3 46% 7 76.33 1018.2
13 17:51 SW 7 16.09 A Few Clouds FEW075 FEW250 8.9 -3.3 12.2 8.9 42% 8 76.33 1018.0
13 16:51 SW 9 16.09 A Few Clouds FEW080 FEW250 11.1 -3.3 37% 76.3 1017.9
13 15:51 SW 26 G 37 16.09 A Few Clouds FEW085 12.2 -3.3 34% 76.3 1017.8
13 14:51 SW 24 G 41 16.09 Partly Cloudy SCT085 11.7 -3.3 35% 76.35 1018.2
13 13:51 SW 26 G 41 16.09 A Few Clouds FEW250 11.1 -2.8 38% 76.38 1018.7
13 12:51 SW 26 G 39 16.09 A Few Clouds FEW250 10 -1.7 44% 7 76.43 1019.3
13 11:51 SW 24 G 43 16.09 A Few Clouds FEW250 8.9 -2.2 8.9 -3.3 46% 6 76.48 1020.2
13 10:51 SW 20 G 33 16.09 A Few Clouds FEW250 7.8 -2.2 50% 5 76.56 1021.3
13 09:51 S 20 16.09 A Few Clouds FEW250 5.6 -2.2 58% 2 76.61 1022.0
13 08:51 S 11 16.09 A Few Clouds FEW250 1.7 -2.8 72% -1 76.66 1022.8
13 07:51 S 6 14.48 Fair CLR -1.7 -5 78% 76.68 1023.1
13 06:51 S 9 16.09 Fair CLR -3.3 -5.6 84% -7 76.68 1023.1
13 05:51 SE 7 16.09 Fair CLR -3.3 -5.6 -2.2 -3.9 84% -6 76.68 1023.3
13 04:51 SE 6 14.48 Fair CLR -3.3 -5.6 84% 76.68 1023.1
13 03:51 S 6 16.09 Fair CLR -3.3 -5 88% 76.71 1023.5
13 02:51 Calm 16.09 Fair CLR -3.3 -5 88% 76.76 1023.9
13 01:51 Calm 16.09 A Few Clouds FEW080 -3.3 -5 88% 76.78 1024.4
13 00:51 Calm 16.09 A Few Clouds FEW080 FEW200 -3.9 -5.6 88% 76.81 1024.8
12 23:51 Calm 16.09 Partly Cloudy SCT200 -2.2 -4.4 0.6 -2.2 85% 76.81 1024.8
12 22:51 SE 6 16.09 Partly Cloudy SCT190 -1.7 -3.9 85% 76.81 1024.8
12 21:51 SE 6 16.09 Mostly Cloudy FEW080 BKN220 -1.7 -4.4 82% 76.81 1024.7
12 20:51 E 9 16.09 Mostly Cloudy BKN080 -1.7 -3.9 85% -5 76.78 1024.5
Date Time (cst) Wind (kph) Vis. (km) Weather Sky Cond. Air Dwpt Max. Min. Relative Humidity Wind Chill (°C) Heat Index (°C) altimeter (cm) sea level (mb) 1 hr 3 hr 6 hr
6 hour
Temperature (ºC) Pressure Precipitation (cm)