National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
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.
27 09:51 E 7 10.00 Mostly Cloudy BKN085 BKN250 71.1 63 76% 29.99 1015.2
27 08:51 NE 6 10.00 Mostly Cloudy BKN060 BKN090 68 61 78% 30.01 1015.9
27 07:51 NE 7 10.00 Overcast OVC060 66 61 84% 30 1015.9
27 06:51 NE 7 10.00 Overcast OVC060 64 60.1 64.9 61 87% 30 1015.8
27 05:51 N 6 10.00 Mostly Cloudy BKN055 63 59 87% 30 1015.6
27 04:51 N 8 10.00 Overcast OVC055 62.1 59 90% 29.98 1015.0
27 03:51 N 6 10.00 Overcast BKN047 OVC055 62.1 59 90% 29.99 1015.4
27 02:51 N 6 10.00 Overcast OVC060 61 57.9 90% 30 1015.6
27 01:51 NE 7 10.00 Overcast OVC050 61 57.9 90% 30.01 1016.0
27 00:51 NE 8 10.00 Overcast OVC055 61 57.9 62.1 60.1 90% 30.02 1016.3
26 23:51 NE 9 10.00 Overcast FEW008 OVC070 61 57.9 90% 30.03 1016.8
26 22:51 NE 9 10.00 Mostly Cloudy SCT008 BKN080 60.1 57 90% 30.05 1017.3
26 21:51 NE 9 10.00 Mostly Cloudy SCT009 BKN080 61 57.9 90% 30.05 1017.3
26 20:51 NE 9 10.00 Overcast SCT009 OVC080 61 57.9 90% 30.04 1017.1
26 19:51 NE 9 10.00 Overcast FEW009 FEW040 OVC090 61 57.9 90% 30.04 1017.1
26 18:51 NE 10 10.00 Overcast FEW007 FEW040 OVC090 62.1 57 64.9 62.1 84% 30.04 1017.1 0.03
26 17:51 NE 9 10.00 Overcast FEW010 SCT080 OVC100 62.1 57.9 86% 30.04 1017.2 0.01
26 16:51 NE 9 9.00 Light Rain FEW015 SCT070 OVC110 62.1 57.9 86% 30.05 1017.4
26 15:51 N 12 10.00 Overcast FEW013 FEW045 OVC120 63 57.9 84% 30.06 1017.7 0.02
26 14:51 NE 9 10.00 Overcast FEW013 SCT045 OVC120 64 57.9 81% 30.07 1018.2
26 13:51 N 9 10.00 Light Rain FEW010 FEW040 OVC120 63 59 87% 30.08 1018.6 0.02
26 12:51 NE 9 10.00 Overcast FEW005 OVC120 64 57 66 63 78% 30.08 1018.5
26 11:51 NE 9 10.00 Overcast FEW030 BKN110 OVC140 66 54 65% 30.09 1018.7
26 10:51 E 10 10.00 Light Rain FEW060 OVC110 64 55.9 75% 30.1 1019.2
26 09:51 NE 9 10.00 Light Rain FEW050 BKN120 OVC190 64 55 73% 30.09 1018.9
26 08:51 E 7 10.00 Overcast BKN140 OVC190 64.9 55 70% 30.09 1018.6
26 07:51 E 9 10.00 Mostly Cloudy BKN140 BKN190 BKN250 64 55.9 75% 30.08 1018.2
26 06:51 NE 8 10.00 Mostly Cloudy BKN150 BKN220 63 55 63 61 76% 30.07 1017.8
26 05:51 E 7 10.00 Mostly Cloudy FEW150 BKN220 62.1 54 75% 30.07 1017.8
26 04:51 NE 7 10.00 Mostly Cloudy BKN230 62.1 55.9 80% 30.04 1016.9
26 03:51 N 5 10.00 A Few Clouds FEW250 62.1 57 84% 30.04 1016.8
26 02:51 NE 5 10.00 A Few Clouds FEW250 62.1 55.9 80% 30.02 1016.1
26 01:51 E 5 10.00 A Few Clouds FEW250 62.1 55.9 80% 30.01 1016.0
26 00:51 E 5 10.00 Partly Cloudy SCT250 62.1 55 78.1 61 78% 30.03 1016.5
25 23:51 E 6 10.00 Partly Cloudy FEW090 SCT250 62.1 55.9 80% 30.03 1016.7
25 22:51 NE 9 10.00 Partly Cloudy FEW090 SCT250 64 55.9 75% 30.03 1016.6
25 21:51 NE 13 10.00 Partly Cloudy FEW055 FEW090 SCT250 64 59 84% 30.01 1015.9
25 20:51 E 9 10.00 Mostly Cloudy FEW055 SCT090 BKN250 66.9 57 71% 29.99 1015.3
25 19:51 NE 16 G 25 10.00 Mostly Cloudy SCT055 BKN090 BKN250 73 57 57% 29.96 1014.2
25 18:51 NW 7 G 17 10.00 Mostly Cloudy SCT055 BKN250 78.1 55.9 79 75 47% 79 29.94 1013.4
25 17:51 W 9 10.00 Mostly Cloudy SCT055 BKN250 79 55.9 45% 80 29.93 1013.0
25 16:51 W 15 G 22 10.00 Mostly Cloudy SCT065 BKN250 79 55 44% 80 29.94 1013.5
25 15:51 W 13 G 20 10.00 Mostly Cloudy SCT070 BKN250 78.1 55.9 47% 79 29.94 1013.3
25 14:51 W 13 G 24 10.00 Mostly Cloudy BKN055 BKN250 78.1 55 45% 79 29.93 1013.2
25 13:51 NW 12 10.00 Mostly Cloudy BKN055 BKN250 77 55 47% 78 29.94 1013.4
25 12:51 W 10 10.00 Mostly Cloudy SCT055 BKN250 77 55 77 64.9 47% 78 29.94 1013.4
25 11:51 W 12 10.00 Partly Cloudy FEW047 SCT250 75.9 55.9 50% 78 29.93 1013.2
25 10:51 NW 13 G 21 10.00 A Few Clouds FEW065 FEW250 75 55.9 52% 78 29.93 1013.1
25 09:51 W 12 10.00 Partly Cloudy FEW065 SCT250 73.9 59 60% 29.93 1013.0
25 08:51 W 6 10.00 Partly Cloudy SCT065 SCT250 73 63 71% 29.93 1013.0
25 07:51 W 7 10.00 Partly Cloudy FEW060 FEW170 SCT250 68 62.1 81% 29.92 1012.9
25 06:51 W 7 10.00 Partly Cloudy FEW160 SCT250 64.9 63 64.9 62.1 93% 29.92 1012.9
25 05:51 W 7 8.00 Mostly Cloudy FEW070 SCT160 BKN250 63 62.1 97% 29.9 1012.3
25 04:51 SW 8 7.00 Partly Cloudy SCT250 63 61 93% 29.88 1011.7
25 03:51 SW 8 5.00 Fog/Mist FEW070 BKN250 63 62.1 97% 29.89 1011.8
25 02:51 SW 8 5.00 Fog/Mist BKN250 63 62.1 97% 29.88 1011.7
25 01:51 SW 3 7.00 A Few Clouds FEW090 FEW250 63 62.1 97% 29.89 1012.0
25 00:51 SW 7 10.00 A Few Clouds FEW200 63 62.1 69.1 63 97% 29.9 1012.2 0.77
24 23:51 SW 9 10.00 Partly Cloudy SCT110 SCT200 64 62.1 93% 29.91 1012.5
24 22:51 S 9 10.00 Mostly Cloudy FEW035 BKN100 BKN200 64 62.1 93% 29.9 1012.4 0.06
24 21:51 N 3 8.00 Thunderstorm SCT032 BKN044CB BKN090 OVC150 64 62.1 93% 29.94 1013.7 0.02 0.71
24 20:51 S 6 10.00 Overcast FEW050 BKN120 BKN210 OVC250 64 62.1 93% 29.93 1013.1
24 19:51 S 9 7.00 Light Rain FEW030 SCT050 BKN090 BKN150 OVC250 66 63 90% 29.89 1012.0 0.69
24 18:51 E 7 8.00 Thunderstorm SCT055CB BKN075 BKN150 OVC250 69.1 61 70 66 76% 29.9 1012.4 0.07
24 17:51 SE 9 10.00 Mostly Cloudy SCT060 BKN110 BKN250 69.1 61 76% 29.92 1013.0
24 16:51 E 10 10.00 Mostly Cloudy BKN060 BKN130 BKN250 70 62.1 76% 29.96 1014.2
24 15:51 E 8 10.00 Overcast FEW013 BKN055 BKN110 OVC250 66.9 63 87% 29.98 1015.1 0.07
24 14:51 SE 10 10.00 Overcast SCT010 BKN040 OVC130 66 63 90% 30.01 1016.0 0.04
24 13:51 Calm 4.00 Light Rain Fog/Mist SCT011 BKN036 OVC050 66 63 90% 30.03 1016.8 0.03
24 12:51 N 6 10.00 Light Rain FEW011 SCT060 OVC080 66.9 63 72 64 87% 30.05 1017.3 0.05
24 11:51 NW 6 6.00 Light Rain Fog/Mist BKN048 OVC060 66 62.1 87% 30.05 1017.2 0.05
24 10:51 W 7 10.00 Overcast FEW047 BKN065 OVC085 71.1 57.9 63% 30.05 1017.3
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)