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.
09 21:51 NW 9 16.09 Fair CLR -4.4 -11.1 60% -8 77.19 1030.3
09 20:51 W 13 16.09 Fair CLR -3.3 -10.6 57% -8 77.17 1029.9
09 19:51 W 11 16.09 Fair CLR -2.8 -10 58% -7 77.14 1029.5
09 18:51 SW 11 16.09 Fair CLR -2.2 -10 56% -6 77.11 1029.1
09 17:51 W 9 16.09 A Few Clouds FEW100 FEW250 -1.7 -10.6 0 -2.8 51% -5 77.06 1028.4
09 16:51 W 9 16.09 Mostly Cloudy FEW040 SCT110 BKN250 -0.6 -10 49% -3 77.01 1027.8
09 15:51 W 17 16.09 Partly Cloudy FEW030 SCT150 SCT250 0 -10 47% -4 77.01 1027.6
09 14:51 W 13 16.09 Partly Cloudy FEW030 FEW150 SCT250 -0.6 -10 49% -4 77.01 1027.5
09 13:51 W 15 16.09 Mostly Cloudy FEW150 BKN250 -1.1 -10 51% -5 76.99 1027.4
09 12:51 Calm 16.09 Mostly Cloudy SCT150 BKN250 -1.1 -10 51% 77.04 1027.9
09 11:51 Vrbl 9 16.09 Mostly Cloudy FEW027 BKN250 -2.8 -10 -2.2 -5.6 58% -6 77.09 1028.6
09 10:51 NW 7 16.09 Mostly Cloudy BKN027 BKN250 -3.3 -10 60% -6 77.11 1029.1
09 09:51 NW 7 16.09 Mostly Cloudy BKN028 BKN200 -3.9 -10.6 60% -7 77.09 1028.5
09 08:51 NW 6 14.48 Light Snow OVC031 -4.4 -10.6 62% 77.06 1028.2
09 07:51 N 17 16.09 Light Snow OVC025 -5 -11.1 63% -10 77.04 1028.1
09 06:51 N 15 16.09 Overcast OVC025 -5.6 -11.1 66% -11 77.01 1027.6
09 05:51 NW 15 G 30 16.09 Overcast OVC025 -4.4 -9.4 -1.7 -4.4 68% -9 76.91 1026.3
09 04:51 NW 19 16.09 Overcast OVC024 -3.9 -9.4 66% -9 76.84 1025.1
09 03:51 NW 20 16.09 Overcast OVC021 -2.8 -7.2 72% -8 76.73 1023.9
09 02:51 NW 11 16.09 Overcast OVC020 -2.2 -6.7 72% -6 76.68 1023.2
09 01:51 NW 20 16.09 Light Snow FEW018 OVC033 -2.2 -6.1 75% -8 76.63 1022.5
09 00:51 NW 24 16.09 Overcast SCT018 OVC038 -2.2 -6.1 75% -8 76.58 1021.8
08 23:51 NW 19 16.09 Light Snow FEW018 SCT033 OVC043 -1.7 -5 -0.6 -1.7 78% -7 76.5 1020.8
08 22:51 NW 20 16.09 Light Snow FEW019 BKN035 OVC046 -0.6 -5 72% -6 76.43 1019.8
08 21:51 NW 19 16.09 Light Snow OVC024 -0.6 -5 72% -5 76.38 1018.8
08 20:51 NW 15 16.09 Overcast OVC022 -0.6 -5 72% -5 76.3 1017.8
08 19:51 W 9 16.09 Overcast FEW015 OVC025 -0.6 -4.4 76% -3 76.17 1016.5
08 18:51 NW 11 16.09 Overcast FEW015 FEW030 OVC050 -1.1 -4.4 79% -5 76.1 1015.4
08 17:51 N 13 16.09 Overcast SCT011 BKN017 OVC070 -1.1 -3.3 0.6 -1.1 85% -5 76 1013.8 0.03
08 16:51 NW 15 6.44 Light Snow Fog/Mist FEW008 SCT014 OVC028 -1.1 -3.3 85% -5 76 1013.8 0.03
08 15:51 NW 7 4.83 Light Snow Fog/Mist SCT014 OVC029 -1.1 -3.3 85% -3 75.82 1011.6
08 14:51 NE 11 8.05 Light Freezing Drizzle Snow BKN015 OVC020 -1.1 -3.9 82% -5 75.79 1011.3
08 13:51 E 11 16.09 Light Freezing Drizzle SCT019 OVC025 -0.6 -5 72% -4 75.79 1011.0
08 12:51 E 7 16.09 Light Drizzle OVC026 0 -6.7 61% -2 75.84 1011.8
08 11:51 NE 17 16.09 Overcast BKN037 OVC046 0.6 -7.8 0.6 -1.1 54% -4 75.9 1012.6
08 10:51 E 17 16.09 Overcast OVC050 0.6 -7.8 54% -4 75.97 1013.6
08 09:51 E 19 16.09 Overcast OVC055 0.6 -8.9 49% -4 76.05 1014.7
08 08:51 E 20 16.09 Overcast OVC060 0 -8.9 52% -5 76.1 1015.3
08 07:51 E 24 16.09 Overcast OVC070 -0.6 -8.9 54% -6 76.12 1015.6
08 06:51 E 17 16.09 Overcast OVC070 -0.6 -7.8 59% -5 76.23 1017.1
08 05:51 E 19 16.09 Overcast OVC075 -0.6 -7.8 -0.6 -3.3 59% -5 76.33 1018.2
08 04:51 E 22 16.09 Overcast OVC080 -1.1 -7.8 61% -7 76.33 1018.4
08 03:51 E 17 16.09 Overcast OVC080 -1.1 -8.3 58% -6 76.45 1020.0
08 02:51 E 17 16.09 Overcast OVC085 -1.1 -8.9 56% -6 76.48 1020.3
08 01:51 E 6 16.09 Overcast OVC085 -1.7 -9.4 56% 76.56 1021.4
08 00:51 E 6 16.09 Mostly Cloudy SCT090 BKN220 -2.2 -10.6 53% 76.61 1022.2
07 23:51 SE 7 16.09 Mostly Cloudy SCT085 BKN210 -2.8 -10 -1.1 -3.3 58% -5 76.66 1022.8
07 22:51 E 6 16.09 Mostly Cloudy FEW085 BKN160 BKN230 -2.8 -11.1 53% 76.71 1023.5
07 21:51 E 6 16.09 Mostly Cloudy SCT160 BKN250 -3.3 -11.7 53% 76.71 1023.6
07 20:51 Calm 16.09 Overcast SCT160 OVC250 -2.8 -11.1 53% 76.73 1024.1
07 19:51 Calm 16.09 Mostly Cloudy BKN250 -2.2 -11.1 51% 76.76 1024.2
07 18:51 S 6 16.09 Mostly Cloudy BKN250 -1.7 -12.2 45% 76.76 1024.3
07 17:51 W 6 16.09 Overcast OVC250 -1.1 -12.2 0 -3.3 43% 76.81 1025.0
07 16:51 SW 7 16.09 Mostly Cloudy FEW110 BKN250 -0.6 -12.8 40% -3 76.84 1025.3
07 15:51 SW 9 16.09 Mostly Cloudy FEW100 BKN250 -0.6 -13.3 38% -3 76.81 1025.2
07 14:51 S 13 16.09 Mostly Cloudy SCT100 BKN250 -0.6 -13.3 38% -4 76.84 1025.3
07 13:51 SW 9 16.09 Mostly Cloudy FEW100 BKN130 BKN250 -1.7 -13.3 41% -5 76.89 1026.0
07 12:51 W 13 16.09 Overcast FEW100 BKN140 OVC250 -1.7 -13.9 39% -6 76.96 1026.9
07 11:51 SW 9 16.09 Mostly Cloudy FEW110 BKN150 BKN250 -3.3 -15 -2.8 -7.2 40% -7 77.01 1027.5
07 10:51 W 7 16.09 Mostly Cloudy SCT110 BKN150 BKN250 -3.9 -15 42% -7 77.06 1028.3
07 09:51 Calm 16.09 Overcast BKN110 OVC250 -5 -15 46% 77.01 1027.8
07 08:51 W 7 16.09 Overcast BKN120 OVC250 -6.7 -15.6 50% -10 77.04 1027.8
07 07:51 NW 17 16.09 Overcast BKN130 OVC250 -7.2 -16.7 47% -13 76.99 1027.5
07 06:51 NW 15 16.09 Overcast BKN140 OVC250 -7.2 -16.7 47% -13 76.96 1027.0
07 05:51 NW 11 16.09 Mostly Cloudy SCT160 BKN240 -7.2 -16.1 -2.8 -7.2 49% -12 76.94 1026.6
07 04:51 NW 13 16.09 Mostly Cloudy BKN250 -6.7 -16.1 48% -12 76.84 1025.2
07 03:51 NW 17 16.09 Mostly Cloudy BKN250 -6.7 -16.1 48% -13 76.73 1024.0
07 02:51 N 17 16.09 A Few Clouds FEW250 -6.1 -15.6 47% -12 76.71 1023.4
07 01:51 NW 26 G 39 16.09 Fair CLR -5 -16.1 42% -12 76.66 1023.0
07 00:51 NW 31 G 46 16.09 Fair CLR -4.4 -16.1 40% -12 76.61 1022.2
06 23:51 NW 33 G 50 16.09 Fair and Breezy CLR -2.8 -15.6 1.7 -2.8 37% -10 76.48 1020.4
06 22:51 W 22 G 63 16.09 Fair CLR -1.7 -15 36% -7 76.38 1019.0
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)