Weather observations for the past three days for
Chicago, Chicago-O'Hare International Airport
Metric (Imperial)
Date Time (cdt) 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.
20 15:51 NE 30 16.09 Mostly Cloudy BKN250 13.9 5.6 58% 75.74 1009.9
20 14:51 NE 30 G 43 16.09 Mostly Cloudy BKN250 18.3 7.2 49% 75.64 1008.5
20 13:51 NW 17 G 31 16.09 Mostly Cloudy BKN250 21.7 7.8 41% 75.62 1008.1
20 12:51 W 13 16.09 Mostly Cloudy BKN250 20.6 7.2 20.6 10.6 42% 75.59 1007.6
20 11:51 W 15 16.09 Mostly Cloudy FEW200 BKN250 18.3 6.7 47% 75.62 1008.2
20 10:51 W 17 16.09 Mostly Cloudy SCT200 BKN250 16.7 6.7 52% 75.62 1008.3
20 09:51 W 22 G 35 16.09 Mostly Cloudy BKN200 BKN250 15 6.1 56% 75.59 1008.0
20 08:51 SW 20 16.09 Overcast FEW160 OVC250 12.2 5.6 64% 75.59 1008.0
20 07:51 SW 19 G 33 16.09 Overcast SCT160 OVC250 11.1 5 66% 75.62 1008.2
20 06:51 SW 20 16.09 Overcast FEW140 BKN170 OVC250 11.1 5 11.1 4.4 66% 75.64 1008.4
20 04:51 SW 17 16.09 Overcast OVC180 9.4 4.4 71% 7 75.69 1009.4
20 03:51 SW 13 16.09 Partly Cloudy FEW150 SCT250 7.2 3.3 77% 5 75.77 1010.1
20 02:51 SW 9 16.09 A Few Clouds FEW150 FEW250 7.2 2.2 71% 6 75.84 1011.1
20 01:51 SW 7 16.09 Mostly Cloudy FEW150 BKN250 4.4 0.6 77% 3 75.92 1012.4
20 00:51 Calm 16.09 NULL NULL 5 0.6 8.3 4.4 73% 76.02 1013.5
19 23:51 Calm 16.09 Mostly Cloudy BKN250 5 0.6 73% 76.07 1014.3
19 22:51 Calm 16.09 Mostly Cloudy BKN250 5 0 70% 76.12 1015.2
19 21:51 E 7 16.09 Partly Cloudy SCT250 5.6 -0.6 65% 4 76.2 1016.3
19 20:51 E 7 16.09 A Few Clouds FEW250 5.6 -0.6 65% 4 76.25 1017.0
19 19:51 E 15 16.09 A Few Clouds FEW250 6.7 -0.6 60% 4 76.3 1017.5
19 18:51 E 11 16.09 A Few Clouds FEW250 8.3 -1.1 16.7 8.3 52% 7 76.3 1017.5
19 17:51 E 13 16.09 Mostly Cloudy BKN250 10 -0.6 48% 8 76.35 1018.1
19 16:51 E 15 16.09 Mostly Cloudy BKN250 11.7 0.6 47% 76.35 1018.2
19 15:51 E 17 16.09 Mostly Cloudy BKN250 12.8 1.1 45% 76.33 1017.8
19 14:51 NE 19 16.09 Mostly Cloudy BKN250 13.3 1.7 46% 76.33 1018.1
19 13:51 E 7 16.09 A Few Clouds FEW250 16.7 2.8 40% 76.38 1018.3
19 12:51 E 6 16.09 A Few Clouds FEW250 15 2.2 15 2.2 42% 76.4 1018.8
19 11:51 SE 6 16.09 A Few Clouds FEW250 13.3 1.7 46% 76.4 1018.8
19 10:51 E 6 16.09 A Few Clouds FEW180 FEW250 10.6 0.6 50% 76.43 1019.2
19 09:51 S 7 16.09 Partly Cloudy FEW070 SCT180 SCT250 8.3 0.6 59% 7 76.4 1019.1
19 08:51 S 9 16.09 Partly Cloudy FEW060 FEW120 SCT250 5.6 0 68% 4 76.38 1018.7
19 07:51 S 6 14.48 Partly Cloudy FEW060 FEW110 SCT250 2.8 -1.1 76% 76.33 1018.3
19 05:51 SW 11 14.48 Partly Cloudy FEW070 SCT120 2.8 -1.1 76% 0 76.28 1017.5
19 04:51 SE 7 14.48 Mostly Cloudy BKN120 2.2 -1.7 76% 0 76.25 1017.1
19 03:51 Calm 16.09 Overcast SCT120 OVC250 1.1 -1.7 82% 76.3 1017.7
19 02:51 Calm 16.09 Overcast SCT110 OVC250 2.2 -1.7 76% 76.3 1017.7
19 01:51 Calm 16.09 Overcast SCT120 BKN180 OVC250 2.8 -1.7 73% 76.3 1017.8
19 00:51 Calm 16.09 Overcast FEW120 BKN180 OVC250 2.8 -1.7 6.1 2.2 73% 76.33 1018.0
18 23:51 Calm 16.09 Overcast BKN180 OVC250 2.8 -1.7 73% 76.3 1017.9
18 22:51 Calm 16.09 Overcast BKN180 OVC250 3.3 -1.7 70% 76.3 1017.9
18 21:51 NW 6 16.09 Overcast BKN180 OVC250 3.3 -2.2 68% 76.33 1018.1
18 20:51 NW 9 16.09 Overcast BKN190 OVC250 3.9 -1.7 67% 2 76.3 1018.1
18 19:51 W 9 16.09 Overcast OVC240 5 -1.1 65% 3 76.28 1017.5
18 18:51 W 9 16.09 Mostly Cloudy BKN250 6.1 -1.1 7.8 2.8 60% 4 76.23 1016.8
18 17:51 W 11 16.09 A Few Clouds FEW250 7.8 -1.1 54% 6 76.12 1015.6
18 16:51 SW 17 16.09 Fair CLR 7.8 -1.1 54% 5 76.12 1015.4
18 15:51 W 11 16.09 Partly Cloudy SCT039 6.7 -1.7 55% 5 76.12 1015.4
18 14:51 SW 19 16.09 Mostly Cloudy BKN041 5.6 -2.8 55% 2 76.1 1015.2
18 13:51 SW 20 16.09 Overcast FEW031 OVC043 4.4 -3.3 58% 1 76.15 1015.9
18 12:51 SW 24 G 37 16.09 A Few Clouds FEW031 FEW055 2.8 -4.4 2.8 -4.4 59% -2 76.17 1016.4
18 11:51 S 24 16.09 Partly Cloudy FEW025 SCT055 1.1 -4.4 67% -4 76.2 1016.7
18 10:51 S 22 G 39 16.09 Overcast FEW032 OVC060 -1.1 -6.1 69% -7 76.25 1017.3
18 09:51 S 19 G 35 16.09 Overcast BKN033 OVC060 -2.8 -6.7 75% -8 76.25 1017.4
18 08:51 S 24 G 37 6.44 Light Snow BKN043 OVC055 -3.3 -7.2 75% -10 76.25 1017.6
18 07:51 S 26 G 35 16.09 Light Snow FEW015 BKN041 OVC060 -3.9 -7.2 78% -11 76.25 1017.6
18 06:51 S 20 G 43 16.09 Overcast OVC014 -4.4 -7.2 -4.4 -5 81% -10 76.25 1017.6 0.03
18 05:51 S 17 11.27 Light Snow BKN015 OVC039 -4.4 -7.2 81% -10 76.28 1017.9
18 04:51 S 22 G 33 11.27 Light Snow BKN015 BKN033 OVC042 -4.4 -7.2 81% -11 76.3 1018.2
18 03:51 S 19 6.44 Light Snow Fog/Mist FEW015 BKN037 OVC060 -5 -7.2 85% -11 76.35 1018.7 0.03
18 02:51 S 15 9.66 Light Snow Fog/Mist SCT013 BKN049 OVC070 -5 -7.2 85% -10 76.4 1019.6 0.03
18 01:51 S 9 3.22 Light Snow Fog/Mist FEW016 OVC028 -5 -7.2 85% -9 76.48 1020.4
18 00:51 S 17 4.83 Light Snow OVC030 -5 -8.3 -4.4 -5.6 78% -10 76.53 1021.1
17 23:51 S 13 16.09 Overcast BKN060 OVC075 -4.4 -11.1 60% -9 76.56 1021.7
17 22:51 S 17 16.09 Overcast BKN070 OVC160 -5 -12.2 57% -10 76.61 1022.4
17 21:51 S 9 16.09 Overcast OVC095 -5 -12.8 55% -9 76.61 1022.4
17 20:51 SW 11 16.09 Overcast SCT095 BKN130 BKN200 OVC250 -5.6 -13.9 52% -10 76.61 1022.4
17 19:51 SW 19 16.09 Overcast BKN110 OVC250 -5.6 -14.4 50% -12 76.63 1022.9
17 18:51 SW 17 16.09 Overcast BKN120 OVC250 -5.6 -15.6 -4.4 -6.1 46% -11 76.63 1022.8
17 17:51 S 17 16.09 Overcast OVC250 -5.6 -15.6 46% -11 76.63 1022.8
17 16:51 SW 9 G 28 16.09 Overcast OVC250 -5.6 -16.1 44% -9 76.58 1022.1
Date Time (cdt) 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)