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.
06 13:51 NW 28 G 43 16.09 Mostly Cloudy BKN049 8.9 -1.7 48% 6 76.76 1023.7
06 12:51 NW 31 G 50 16.09 Mostly Cloudy SCT040 BKN055 9.4 -1.7 9.4 5 46% 6 76.76 1023.7
06 11:51 NW 26 16.09 Mostly Cloudy FEW037 BKN048 9.4 0 52% 6 76.78 1023.9
06 10:51 W 22 16.09 Mostly Cloudy SCT032 BKN041 8.9 0.6 56% 6 76.78 1023.9
06 09:51 NW 24 16.09 Mostly Cloudy BKN023 7.2 1.1 66% 4 76.76 1023.6
06 08:51 NW 24 G 37 16.09 Partly Cloudy SCT020 6.1 1.7 74% 2 76.73 1023.2
06 07:51 NW 15 16.09 A Few Clouds FEW016 FEW045 5.6 1.7 76% 3 76.68 1022.7
06 06:51 NW 19 16.09 A Few Clouds FEW018 FEW045 5 2.2 6.7 5 82% 2 76.61 1021.7 0.08
06 05:51 NW 17 16.09 Partly Cloudy FEW012 SCT048 5.6 3.9 89% 3 76.53 1020.5
06 04:51 W 9 16.09 Partly Cloudy FEW033 SCT070 5 3.9 93% 3 76.5 1020.1
06 03:51 SW 7 16.09 Partly Cloudy FEW037 FEW048 SCT085 5.6 4.4 92% 4 76.48 1019.8 0.08
06 02:51 W 11 16.09 Mostly Cloudy SCT037 BKN050 BKN075 6.1 4.4 89% 4 76.5 1020.1 0.03
06 01:51 W 6 16.09 Mostly Cloudy SCT044 BKN055 BKN100 6.7 3.9 83% 76.53 1020.5 0.05
06 00:51 W 19 G 43 8.05 Thunderstorm Rain Fog/Mist BKN031 OVC044CB 6.7 3.9 10.6 6.7 83% 4 76.61 1021.5 0.13 0.13
05 23:51 SW 20 16.09 Light Rain BKN050 BKN070 OVC120 8.3 0.6 59% 5 76.53 1020.8
05 22:51 SW 17 16.09 Mostly Cloudy FEW045 SCT100 BKN150 7.8 0 58% 5 76.56 1021.2
05 21:51 SW 11 16.09 A Few Clouds FEW045 8.3 -0.6 54% 7 76.56 1021.2
05 20:51 SW 15 16.09 Fair CLR 8.9 -1.7 48% 7 76.58 1021.5
05 19:51 SW 15 16.09 A Few Clouds FEW250 9.4 -2.8 43% 7 76.58 1021.3
05 18:51 W 15 16.09 A Few Clouds FEW035 FEW250 10.6 -4.4 11.7 8.3 35% 76.58 1021.2
05 17:51 W 15 G 33 16.09 A Few Clouds FEW035 FEW250 11.1 -5.6 31% 76.61 1021.5
05 16:51 W 19 G 39 16.09 A Few Clouds FEW250 11.7 -5.6 30% 76.58 1021.3
05 15:51 NW 24 G 39 16.09 A Few Clouds FEW035 11.7 -6.1 28% 76.58 1021.2
05 14:51 NW 26 G 50 16.09 A Few Clouds FEW035 10.6 -6.1 31% 76.61 1021.6
05 13:51 NW 28 G 41 16.09 A Few Clouds FEW035 9.4 -6.1 33% 6 76.58 1021.5
05 12:51 W 28 G 39 16.09 A Few Clouds FEW032 8.3 -3.9 8.3 2.8 42% 5 76.61 1021.6
05 11:51 NW 24 16.09 A Few Clouds FEW032 7.2 -2.2 52% 4 76.58 1021.2
05 10:51 W 13 G 44 16.09 A Few Clouds FEW032 6.1 -2.2 56% 4 76.56 1021.1
05 09:51 W 24 G 39 16.09 Partly Cloudy SCT032 4.4 -2.8 60% 0 76.5 1020.4
05 08:51 NW 26 G 39 16.09 Mostly Cloudy BKN026 BKN031 3.9 -2.2 65% -1 76.43 1019.4
05 07:51 W 15 G 37 16.09 Overcast BKN029 OVC037 2.8 -2.8 67% -1 76.38 1018.6
05 06:51 W 20 G 43 16.09 Mostly Cloudy FEW030 BKN043 2.8 -2.2 5 2.8 70% -1 76.3 1017.7
05 05:51 W 24 G 39 16.09 Mostly Cloudy FEW030 BKN038 BKN050 3.3 -2.2 68% -1 76.25 1016.9
05 04:51 W 19 G 39 16.09 Mostly Cloudy SCT031 BKN049 3.9 -1.7 67% 0 76.2 1016.2
05 03:51 W 26 G 43 16.09 Mostly Cloudy FEW034 BKN050 3.9 -2.8 62% -1 76.17 1015.7
05 02:51 W 26 G 41 16.09 Mostly Cloudy FEW035 BKN055 4.4 -2.8 60% 0 76.12 1015.2
05 01:51 W 24 G 46 16.09 Mostly Cloudy FEW035 BKN050 4.4 -2.8 60% 0 76.12 1015.2
05 00:51 W 26 G 41 16.09 Overcast FEW023 BKN033 OVC045 5 -0.6 6.1 5 67% 1 76.12 1015.1
04 23:51 W 17 16.09 Mostly Cloudy BKN028 BKN050 5 0 70% 2 76.1 1015.0
04 22:51 W 19 G 35 16.09 Mostly Cloudy BKN031 BKN047 5 -0.6 67% 2 76.07 1014.7
04 21:51 W 20 G 37 16.09 Overcast FEW036 OVC050 5 -1.7 62% 1 76.1 1014.9
04 20:51 W 31 G 48 16.09 Overcast FEW030 BKN036 OVC047 5.6 -2.2 58% 1 76.1 1014.8
04 19:51 W 22 G 54 16.09 Mostly Cloudy SCT030 BKN037 BKN048 BKN250 5.6 -0.6 65% 2 76.05 1014.1
04 18:51 W 37 G 54 16.09 Mostly Cloudy and Breezy BKN030 BKN036 BKN045 6.1 -0.6 9.4 6.1 63% 1 76.02 1013.7
04 17:51 W 28 G 48 16.09 Overcast BKN027 OVC033 6.7 0.6 65% 3 75.97 1013.3
04 16:51 W 35 G 61 16.09 Overcast and Breezy OVC022 7.2 1.7 68% 3 75.92 1012.6
04 15:51 W 28 G 43 16.09 Overcast OVC022 8.3 3.3 71% 5 75.87 1011.7
04 14:51 W 28 G 48 16.09 Mostly Cloudy BKN018 BKN110 BKN250 8.9 4.4 74% 6 75.84 1011.5
04 13:51 W 28 G 44 16.09 Overcast BKN014 BKN075 BKN110 OVC250 8.9 5.6 80% 6 75.82 1011.1
04 12:51 W 30 G 46 16.09 Overcast OVC009 7.8 6.1 13.3 7.8 89% 4 75.82 1011.1 0.08
04 11:51 SW 24 G 43 16.09 Overcast OVC006 8.9 7.8 93% 6 75.77 1010.6
04 10:51 W 39 11.27 Light Rain and Breezy BKN005 OVC011 10 9.4 96% 6 75.77 1010.3 0.05
04 09:51 W 28 G 52 3.22 Light Rain Fog/Mist BKN003 OVC009 11.7 11.1 96% 75.72 1009.5 0.03
04 08:51 S 6 4.02 Fog/Mist BKN004 BKN008 OVC050 11.1 10.6 97% 75.59 1008.1
04 07:51 S 13 6.44 Fog/Mist BKN003 OVC070 8.9 8.3 96% 7 75.72 1009.7 0.03
04 06:51 Calm 6.44 Light Rain Fog/Mist SCT004 BKN080 OVC110 8.3 7.2 8.3 5 93% 75.69 1009.3 0.13 0.66
04 05:51 E 6 9.66 Fog/Mist SCT003 BKN080 BKN130 OVC240 7.8 6.7 93% 75.74 1010.1 0.51
04 04:51 N 24 G 33 11.27 Thunderstorm Light Rain OVC003CB 6.7 6.1 96% 3 75.87 1011.8 0.03
04 03:51 NE 15 9.66 Light Rain Fog/Mist OVC003 6.1 5.6 97% 3 75.82 1011.3
04 02:51 Vrbl 7 12.87 Overcast OVC004 5.6 5 96% 4 75.9 1012.1
04 01:51 NE 13 16.09 Overcast FEW005 OVC007 5.6 4.4 92% 3 76.02 1013.7
04 00:51 NE 20 16.09 Light Rain OVC008 5 3.9 6.1 3.9 93% 1 76.15 1015.4 0.03 0.66
03 23:51 NE 17 16.09 Light Rain BKN016 BKN095 OVC120 5 3.3 89% 2 76.2 1016.1
03 22:51 E 15 16.09 Light Rain SCT022 BKN070 BKN120 OVC250 4.4 2.2 86% 1 76.3 1017.7 0.05
03 21:51 NE 22 8.05 Thunderstorm Rain Fog/Mist SCT020CB BKN047 OVC080 4.4 1.7 83% 0 76.38 1018.5 0.58 0.58
03 20:51 NE 30 G 48 16.09 Overcast OVC020 5 0 70% 0 76.43 1019.2
03 19:51 NE 28 16.09 Overcast OVC022 5 1.1 76% 1 76.48 1019.8
03 18:51 NE 26 G 37 16.09 Overcast FEW017 OVC025 6.1 2.2 14.4 6.1 76% 2 76.45 1019.7
03 17:51 NE 24 16.09 Overcast FEW017 BKN026 OVC045 6.7 2.2 73% 3 76.5 1020.4
03 16:51 NE 30 16.09 Overcast SCT026 OVC041 7.8 2.8 71% 4 76.45 1019.4
03 15:51 E 19 16.09 Overcast SCT031 BKN042 OVC250 9.4 3.9 69% 7 76.43 1019.1
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)