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.
27 12:51 S 17 2.82 Thunderstorm Light Rain Fog/Mist BKN026 BKN040CB OVC075 13.9 12.8 15 12.8 93% 75.74 1010.1 0.66 0.79
27 11:51 S 17 16.09 Light Rain FEW090 BKN110 BKN180 OVC250 15 11.1 78% 75.64 1008.6
27 10:51 SE 20 16.09 Overcast FEW047 FEW075 OVC100 13.9 11.7 87% 75.67 1008.9 0.08
27 09:51 SE 19 8.05 Light Rain SCT070 OVC095 13.9 11.1 83% 75.72 1009.7 0.05 0.05
27 08:51 S 19 16.09 Overcast BKN095 BKN120 OVC250 13.9 9.4 74% 75.79 1010.6
27 07:51 SE 24 16.09 Overcast SCT075 BKN100 BKN130 OVC250 13.3 9.4 77% 75.79 1010.5
27 06:51 SE 15 16.09 Overcast FEW075 FEW100 BKN130 OVC250 12.8 8.9 12.8 8.3 77% 75.9 1011.9
27 05:51 SE 17 16.09 Overcast FEW100 BKN160 OVC250 12.2 8.9 80% 75.92 1012.2
27 04:51 SE 20 16.09 Overcast BKN160 BKN210 OVC300 12.2 8.9 80% 75.9 1011.8
27 03:51 SE 15 16.09 Overcast BKN190 OVC240 11.7 8.9 83% 76 1013.3
27 02:51 E 13 16.09 Overcast BKN210 OVC250 10.6 8.3 86% 76.05 1014.0
27 01:51 E 7 16.09 Overcast OVC210 9.4 6.7 83% 9 76.1 1014.8
27 00:51 NE 7 14.48 Overcast OVC210 8.3 6.1 13.9 7.8 86% 7 76.17 1015.5
26 23:51 E 19 14.48 Overcast OVC250 7.8 5.6 86% 5 76.17 1015.7
26 22:51 E 17 16.09 Overcast OVC250 7.8 5.6 86% 5 76.23 1016.6
26 21:51 E 13 16.09 Overcast OVC250 8.3 6.1 86% 6 76.3 1017.4
26 20:51 E 13 16.09 Overcast OVC250 10 6.7 80% 8 76.25 1016.8
26 19:51 E 17 16.09 Mostly Cloudy FEW200 BKN250 12.8 7.8 72% 76.2 1016.1
26 18:51 E 15 16.09 Partly Cloudy FEW200 SCT250 13.9 7.8 15 11.7 67% 76.17 1015.8
26 17:51 E 19 16.09 Partly Cloudy SCT250 15 7.8 62% 76.23 1016.3
26 16:51 E 20 16.09 Mostly Cloudy BKN250 14.4 7.8 65% 76.17 1015.7
26 15:51 NE 22 G 31 16.09 Mostly Cloudy FEW200 BKN250 14.4 7.8 65% 76.23 1016.2
26 14:51 E 19 16.09 Mostly Cloudy FEW019 BKN250 14.4 7.8 65% 76.3 1017.3
26 13:51 NE 20 16.09 Partly Cloudy FEW019 SCT250 13.3 7.8 70% 76.33 1017.9
26 12:51 NE 13 16.09 Mostly Cloudy BKN015 BKN250 11.7 7.2 12.2 8.9 74% 76.4 1018.8
26 11:51 NE 17 16.09 Overcast OVC011 11.1 7.2 77% 76.43 1019.2
26 10:51 E 15 14.48 Overcast OVC008 9.4 7.2 86% 7 76.45 1019.4
26 09:51 E 17 8.05 Fog/Mist OVC007 9.4 7.2 86% 7 76.43 1019.1
26 08:51 E 13 6.44 Fog/Mist OVC006 9.4 7.2 86% 8 76.4 1019.0
26 07:51 E 11 4.02 Fog/Mist OVC003 8.9 7.8 93% 7 76.38 1018.6
26 06:51 NE 6 8.05 Fog/Mist OVC003 7.2 6.7 7.2 5.6 97% 76.35 1018.3
26 05:51 NE 7 12.87 Overcast SCT004 OVC007 6.7 5 89% 6 76.33 1017.9
26 04:51 N 7 16.09 Partly Cloudy SCT009 5.6 3.9 89% 4 76.3 1017.4
26 03:51 N 6 16.09 Fair CLR 6.1 3.9 86% 76.28 1017.1
26 02:51 E 9 16.09 Fair CLR 5.6 3.9 89% 4 76.2 1016.2
26 01:51 NE 9 16.09 A Few Clouds FEW300 6.1 3.9 86% 4 76.25 1016.7
26 00:51 NE 13 16.09 A Few Clouds FEW250 6.1 3.9 8.9 6.1 86% 4 76.25 1016.9
25 23:51 NE 15 16.09 A Few Clouds FEW250 6.7 3.9 83% 4 76.23 1016.4
25 22:51 NE 19 16.09 Partly Cloudy FEW180 SCT250 7.8 4.4 79% 5 76.25 1016.6
25 21:51 NE 15 16.09 Partly Cloudy FEW180 SCT250 7.8 4.4 79% 6 76.25 1016.9
25 20:51 N 17 16.09 Partly Cloudy FEW007 FEW180 SCT250 8.3 4.4 77% 6 76.25 1016.7
25 19:51 NE 20 16.09 Partly Cloudy FEW007 FEW180 SCT250 7.8 5 83% 5 76.23 1016.5
25 18:51 NE 20 16.09 Mostly Cloudy FEW007 BKN250 8.9 5 13.3 8.9 77% 6 76.2 1016.1
25 17:51 NE 20 G 39 16.09 Mostly Cloudy FEW007 BKN250 10.6 5.6 71% 76.2 1016.2
25 16:51 NE 20 16.09 Mostly Cloudy FEW008 BKN250 11.7 5.6 66% 76.2 1015.9
25 15:51 N 20 16.09 Partly Cloudy FEW008 SCT250 12.8 6.1 64% 76.17 1015.5
25 14:51 NE 20 G 35 16.09 A Few Clouds FEW008 FEW030 FEW250 11.7 6.1 69% 76.17 1015.8
25 13:51 NE 20 G 33 16.09 A Few Clouds FEW008 FEW030 FEW250 11.1 5.6 69% 76.2 1016.0
25 12:51 NE 22 16.09 A Few Clouds FEW010 FEW250 12.2 6.1 12.8 7.8 67% 76.17 1015.5
25 11:51 NE 20 G 31 16.09 A Few Clouds FEW020 FEW250 12.8 6.1 64% 76.15 1015.3
25 10:51 N 20 16.09 A Few Clouds FEW012 FEW020 FEW250 11.7 6.7 72% 76.15 1015.2
25 09:51 N 22 16.09 Partly Cloudy SCT012 10 5.6 74% 7 76.15 1015.2
25 08:51 NE 28 16.09 Overcast OVC009 8.3 5.6 83% 5 76.15 1015.3
25 07:51 NE 24 6.44 Light Drizzle Fog/Mist OVC007 8.3 6.7 90% 5 76.15 1015.3
25 06:51 N 22 16.09 Light Drizzle OVC009 8.3 6.1 8.9 7.2 86% 5 76.12 1014.7
25 05:51 NE 26 16.09 Overcast OVC004 7.8 5.6 86% 4 76.07 1014.2
25 04:51 N 19 11.27 Overcast OVC009 7.8 6.1 89% 5 76.02 1013.4
25 03:51 NE 20 16.09 Overcast OVC009 8.3 6.1 86% 5 75.97 1012.9
25 02:51 NE 17 16.09 Overcast OVC010 8.9 6.7 86% 7 75.92 1011.9
25 01:51 NE 15 16.09 Mostly Cloudy BKN009 8.9 5.6 80% 7 75.87 1011.5
25 00:51 NE 22 16.09 Partly Cloudy SCT009 SCT250 8.9 6.1 20.6 8.9 83% 6 75.84 1011.1
24 23:51 NE 20 16.09 Mostly Cloudy BKN008 BKN045 BKN250 10 8.3 89% 8 75.84 1011.0
24 22:51 NE 11 16.09 Partly Cloudy FEW045 SCT250 15 11.1 78% 75.77 1010.0
24 21:51 N 13 16.09 Mostly Cloudy FEW045 BKN250 15.6 10 70% 75.74 1009.5
24 20:51 N 19 16.09 Mostly Cloudy FEW045 BKN250 17.8 10 60% 75.67 1008.5
24 19:51 NW 11 16.09 Mostly Cloudy FEW043 BKN250 19.4 10.6 57% 75.57 1007.2
24 18:51 NW 17 16.09 Mostly Cloudy SCT042 BKN250 20.6 10.6 21.1 19.4 53% 75.54 1006.8
24 17:51 W 19 16.09 Mostly Cloudy BKN042 BKN250 20.6 11.7 57% 75.51 1006.3
24 16:51 W 13 16.09 Mostly Cloudy SCT039 BKN250 20.6 12.2 59% 75.49 1005.8
24 15:51 W 17 16.09 Mostly Cloudy BKN032 BKN041 BKN250 20 12.2 61% 75.49 1006.2
24 14:51 W 19 16.09 Overcast BKN037 OVC250 19.4 12.2 63% 75.49 1006.3
24 13:51 W 15 16.09 Overcast SCT030 BKN130 OVC250 20 12.8 63% 75.46 1005.8
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)