Weather observations for the past three days for
Chicago, Chicago-O'Hare International Airport
Imperial (Metric)
Date Time (cst) 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 11:51 S 10 5.00 Fog/Mist OVC008 39.9 36 39.9 37.9 86% 34 29.97 1015.2
27 10:51 SE 10 5.00 Fog/Mist OVC008 39.9 36 86% 34 30 1016.2
27 09:51 SE 10 4.00 Fog/Mist OVC009 39 36 89% 33 30.03 1017.2
27 08:51 SE 9 4.00 Fog/Mist OVC007 37.9 35.1 89% 32 30.03 1017.6
27 07:51 SE 7 4.00 Fog/Mist OVC008 37.9 35.1 89% 33 30.01 1016.7
27 06:51 SE 7 5.00 Fog/Mist OVC009 37.9 35.1 89% 33 30 1016.3
27 05:51 E 7 7.00 Overcast OVC009 37.9 35.1 39 37.9 89% 33 30 1016.3
27 04:51 E 5 7.00 Overcast OVC009 37.9 34 86% 35 29.99 1016.1
27 03:51 E 5 8.00 Overcast OVC009 37.9 34 86% 35 29.99 1016.0
27 02:51 E 5 8.00 Overcast OVC009 37.9 34 86% 35 29.99 1015.9
27 01:51 E 6 8.00 Overcast OVC009 37.9 34 86% 34 29.97 1015.5
27 00:51 E 5 8.00 Overcast OVC010 37.9 34 86% 35 29.96 1014.9
26 23:51 Calm 9.00 Overcast OVC010 39 34 42.1 39 82% 29.96 1014.8
26 22:51 NE 8 10.00 Overcast OVC011 39 35.1 86% 34 29.95 1014.7
26 21:51 N 7 10.00 Overcast OVC013 39.9 34 79% 36 29.93 1013.9
26 20:51 NW 5 10.00 Overcast OVC013 39.9 35.1 83% 37 29.93 1013.9
26 19:51 NW 6 10.00 Overcast OVC014 41 36 82% 38 29.92 1013.5
26 18:51 NW 9 10.00 Overcast OVC014 42.1 36 79% 37 29.89 1012.5
26 17:51 NW 9 10.00 Overcast OVC014 42.1 37 46.9 42.1 82% 37 29.87 1012.0
26 16:51 NW 9 10.00 Overcast OVC016 44.1 37 76% 40 29.84 1011.0
26 15:51 NW 8 10.00 Overcast OVC014 44.1 37.9 79% 40 29.81 1009.8
26 14:51 NW 10 10.00 Overcast OVC013 45 39 80% 40 29.78 1008.6
26 13:51 NW 10 10.00 Overcast OVC014 46 39.9 79% 42 29.73 1007.1
26 12:51 NW 13 G 20 10.00 Overcast BKN014 OVC022 46 41 83% 41 29.71 1006.4
26 11:51 NW 13 G 22 10.00 Overcast BKN011 OVC024 46 42.1 46.9 39.9 86% 41 29.69 1005.6 0.02
26 10:51 NW 13 G 20 8.00 Overcast BKN009 OVC020 46.9 45 93% 42 29.68 1005.4
26 09:51 W 6 1.50 Fog/Mist OVC003 46 45 96% 44 29.66 1004.7
26 08:51 W 3 1.25 Fog/Mist OVC003 43 43 100% 29.65 1004.3 0.02
26 07:51 W 3 0.75 Light Drizzle Fog/Mist OVC002 42.1 41 96% 29.64 1003.9
26 06:51 S 3 1.00 Light Drizzle Fog/Mist OVC002 41 39.9 96% 29.65 1004.3 0.02
26 05:51 S 5 1.00 Light Drizzle Fog/Mist OVC002 39.9 39 41 39.9 97% 37 29.68 1005.5
26 04:51 SE 9 1.25 Light Drizzle Fog/Mist OVC004 39.9 37.9 93% 34 29.68 1005.5
26 03:51 SE 13 6.00 Light Drizzle Fog/Mist OVC008 39.9 36 86% 33 29.71 1006.4
26 02:51 SE 12 8.00 Overcast SCT008 OVC010 39.9 35.1 83% 34 29.76 1008.2
26 01:51 SE 14 G 21 10.00 Overcast OVC013 41 33.1 73% 34 29.81 1009.9
26 00:51 S 8 10.00 Light Drizzle OVC015 41 30 65% 36 29.85 1011.3
25 23:51 SE 13 10.00 Overcast OVC017 41 28 43 41 60% 34 29.87 1012.1
25 22:51 SE 12 10.00 Overcast OVC018 42.1 27 55% 36 29.92 1013.7
25 21:51 SE 9 10.00 Overcast BKN022 OVC040 42.1 28.9 60% 37 29.95 1014.7
25 20:51 SE 17 G 25 10.00 Overcast FEW026 OVC036 42.1 28.9 60% 34 29.99 1015.9
25 19:51 E 15 G 23 10.00 Overcast OVC029 43 30 60% 36 30.03 1017.5
25 18:51 E 12 10.00 Overcast OVC029 42.1 30.9 65% 36 30.06 1018.3
25 17:51 E 12 10.00 Overcast OVC029 41 32 42.1 39 70% 35 30.06 1018.4
25 16:51 E 9 10.00 Overcast FEW014 OVC032 39.9 32 73% 34 30.06 1018.6
25 15:51 NE 15 10.00 Overcast FEW014 BKN036 OVC250 39 32 76% 31 30.09 1019.2
25 14:51 NE 13 10.00 Overcast FEW016 BKN036 OVC250 39.9 33.1 77% 33 30.11 1020.1
25 13:51 NE 10 10.00 Mostly Cloudy FEW016 FEW035 BKN250 41 33.1 73% 35 30.11 1020.1
25 12:51 NE 13 10.00 Overcast FEW017 OVC220 41 32 70% 34 30.12 1020.5
25 11:51 NE 14 10.00 Overcast FEW017 OVC230 42.1 33.1 42.1 39 71% 35 30.14 1021.1
25 10:51 E 15 G 22 10.00 Overcast BKN015 OVC250 41 34 76% 34 30.17 1022.3
25 09:51 NE 14 6.00 Fog/Mist OVC008 39.9 36 86% 33 30.19 1022.8
25 08:51 NE 16 5.00 Fog/Mist OVC009 39.9 36 86% 32 30.18 1022.4
25 07:51 NE 12 5.00 Fog/Mist BKN008 OVC022 39.9 36 86% 34 30.15 1021.6
25 06:51 NE 14 7.00 Overcast SCT009 OVC025 39 36 89% 32 30.14 1021.2
25 05:51 NE 14 8.00 Mostly Cloudy BKN024 BKN250 39.9 33.1 41 36 77% 33 30.11 1019.9
25 04:51 NE 5 7.00 Mostly Cloudy FEW040 BKN250 37 34 89% 34 30.08 1019.2
25 03:51 N 6 6.00 Fog/Mist SCT010 OVC045 39.9 36 86% 36 30.08 1018.9
25 02:51 NE 10 10.00 Overcast OVC005 39.9 37 89% 34 30.08 1019.0
25 01:51 NE 10 10.00 Overcast OVC010 41 35.1 79% 35 30.07 1018.8
25 00:51 N 6 10.00 Overcast OVC010 41 35.1 79% 38 30.05 1017.9
24 23:51 N 6 10.00 Overcast OVC010 42.1 35.1 46 41 76% 39 30.05 1018.0
24 22:51 N 5 10.00 Overcast OVC012 42.1 37 82% 40 30.06 1018.2
24 21:51 Calm 10.00 Overcast OVC013 43 36 76% 30.05 1017.9
24 20:51 Calm 10.00 Overcast OVC015 43 35.1 74% 30.06 1018.3
24 19:51 SE 3 10.00 Light Rain OVC018 42.1 34 73% 30.08 1019.0
24 18:51 E 6 10.00 Overcast OVC017 43 30.9 63% 40 30.1 1019.7
24 17:51 NE 6 10.00 Overcast OVC019 45 30.9 58% 42 30.1 1019.7
24 16:51 E 6 10.00 Overcast BKN025 BKN060 OVC200 45 28.9 54% 42 30.1 1019.8
24 15:51 SE 6 10.00 Overcast SCT050 BKN190 OVC250 45 28.9 54% 42 30.12 1020.5
24 14:51 SE 8 10.00 Mostly Cloudy FEW200 BKN250 46 27 47% 42 30.13 1020.7
24 13:51 SE 10 10.00 Overcast OVC230 46 28.9 51% 42 30.13 1020.6
24 12:51 S 12 10.00 Overcast OVC230 45 28.9 54% 40 30.17 1022.1
Date Time (cst) 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)