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.
02 16:51 NW 6 10.00 Light Snow OVC020 26.1 18 71% 20 30.11 1020.7
02 15:51 NW 9 10.00 Light Snow OVC021 26.1 18 71% 18 30.1 1020.1
02 14:51 W 7 8.00 Light Snow OVC022 26.1 19.9 78% 19 30.08 1019.7
02 13:51 NW 9 10.00 Light Snow OVC018 27 19.9 75% 19 30.07 1019.3
02 12:51 W 8 7.00 Light Snow SCT018 OVC024 27 19.9 75% 19 30.07 1019.4
02 11:51 W 7 3.00 Light Snow OVC014 26.1 19.9 27 21.9 78% 19 30.08 1019.7
02 10:51 W 7 6.00 Light Snow OVC012 26.1 21 81% 19 30.09 1020.0
02 09:51 W 6 4.00 Light Snow Fog/Mist OVC009 25 21 85% 19 30.08 1019.7
02 08:51 W 7 5.00 Fog/Mist OVC006 24.1 21 88% 17 30.08 1019.4
02 07:51 SW 8 4.00 Fog/Mist OVC006 23 19.9 88% 15 30.07 1019.3
02 06:51 W 7 7.00 Overcast OVC005 23 19.9 88% 16 30.06 1018.9
02 05:51 SW 8 6.00 Light Freezing Drizzle Fog/Mist OVC006 21.9 19 21.9 21.9 89% 13 30.05 1018.7
02 04:51 SW 7 7.00 Light Freezing Drizzle OVC008 21.9 19 89% 14 30.05 1018.6
02 03:51 SW 7 6.00 Light Freezing Drizzle Fog/Mist OVC008 21.9 18 85% 14 30.05 1018.6
02 02:51 SW 12 7.00 Light Freezing Drizzle BKN008 OVC012 21.9 18 85% 11 30.06 1018.7
02 01:51 SW 13 8.00 Light Freezing Drizzle Snow BKN010 OVC021 21.9 17.1 82% 11 30.06 1018.8
02 00:51 SW 10 8.00 Light Snow BKN013 OVC024 21.9 16 78% 12 30.06 1019.0
01 23:51 SW 14 G 20 7.00 Light Snow Snow Pellets BKN015 BKN021 OVC038 21.9 15.1 25 21.9 75% 10 30.07 1019.3
01 22:51 SW 13 G 23 10.00 Light Snow BKN020 OVC041 21.9 14 71% 11 30.08 1019.7
01 21:51 SW 12 10.00 Overcast SCT039 OVC060 23 12.9 65% 13 30.1 1020.2
01 20:51 S 13 G 21 10.00 Overcast BKN040 OVC060 23 12.9 65% 12 30.1 1020.6
01 19:51 S 16 10.00 Overcast FEW030 BKN055 OVC070 24.1 12.9 62% 12 30.11 1021.0
01 18:51 S 13 10.00 Overcast SCT033 BKN047 OVC090 24.1 12.9 62% 13 30.13 1021.6
01 17:51 S 10 10.00 Mostly Cloudy BKN038 BKN120 25 12.9 28 24.1 60% 16 30.13 1021.5
01 16:51 S 10 10.00 A Few Clouds FEW100 FEW250 27 12 53% 18 30.13 1021.4
01 15:51 S 12 G 20 10.00 A Few Clouds FEW130 FEW250 28 10.9 49% 19 30.13 1021.4
01 14:51 SW 9 G 20 10.00 Mostly Cloudy SCT130 BKN250 27 10.9 51% 19 30.15 1022.0
01 13:51 SW 13 10.00 Mostly Cloudy BKN250 27 9 46% 17 30.17 1022.9
01 12:51 SW 10 10.00 Mostly Cloudy BKN250 26.1 8.1 46% 17 30.21 1024.0
01 11:51 SW 12 10.00 Partly Cloudy SCT250 25 7 25 7 46% 15 30.24 1025.0
01 10:51 S 8 10.00 Partly Cloudy SCT250 23 8.1 53% 15 30.25 1025.5
01 09:51 S 6 10.00 A Few Clouds FEW250 19.9 8.1 60% 13 30.28 1026.5
01 08:51 SW 5 10.00 A Few Clouds FEW250 15.1 8.1 74% 9 30.29 1027.0
01 07:51 Calm 9.00 A Few Clouds FEW250 10 6.1 84% 30.29 1027.0
01 06:51 SE 3 10.00 A Few Clouds FEW025 8.1 3.9 83% 30.3 1027.5
01 05:51 SW 3 10.00 A Few Clouds FEW025 9 5 18 9 84% 30.31 1027.6
01 04:51 W 5 10.00 A Few Clouds FEW025 10 6.1 84% 3 30.32 1028.0
01 03:51 NW 3 10.00 A Few Clouds FEW025 12 7 80% 30.33 1028.2
01 02:51 NW 6 10.00 A Few Clouds FEW025 12.9 7 77% 5 30.34 1028.6
01 01:51 NW 6 10.00 A Few Clouds FEW025 14 8.1 77% 6 30.34 1028.7
01 00:51 NW 6 10.00 A Few Clouds FEW025 16 9 74% 8 30.35 1028.8
31 23:51 NW 7 10.00 Mostly Cloudy BKN025 18 10 21 18 71% 10 30.36 1029.2
31 22:51 NW 12 10.00 Mostly Cloudy BKN025 18 10 71% 6 30.38 1030.0
31 21:51 NW 10 10.00 Overcast OVC025 19 10 68% 8 30.39 1030.3
31 20:51 NW 13 10.00 Overcast OVC025 19 10 68% 7 30.39 1030.4
31 19:51 NW 9 10.00 Mostly Cloudy BKN027 19.9 12 71% 10 30.39 1030.2
31 18:51 N 9 10.00 A Few Clouds FEW030 19.9 10 65% 10 30.39 1030.3
31 17:51 N 10 10.00 A Few Clouds FEW030 21 10.9 25 21 65% 11 30.39 1030.3
31 16:51 N 14 10.00 Partly Cloudy SCT030 24.1 12.9 62% 13 30.39 1030.3
31 15:51 N 20 10.00 Mostly Cloudy BKN029 25 14 63% 12 30.39 1030.2
31 14:51 N 14 10.00 Mostly Cloudy BKN029 BKN034 25 14 63% 14 30.38 1030.1
31 13:51 N 14 10.00 Mostly Cloudy FEW021 BKN027 BKN038 25 15.1 66% 14 30.38 1030.0
31 12:51 NW 15 10.00 Light Snow BKN021 OVC034 23 14 68% 11 30.38 1030.2
31 11:51 N 16 10.00 Light Snow BKN021 OVC032 21.9 12.9 21.9 12.9 68% 9 30.39 1030.5
31 10:51 N 15 G 23 10.00 Mostly Cloudy SCT021 BKN028 BKN050 21 12 68% 8 30.39 1030.6
31 09:51 NW 14 G 23 10.00 Light Snow BKN018 OVC034 19 10.9 71% 6 30.39 1030.5
31 08:51 NW 13 9.00 Light Snow OVC016 17.1 10 74% 5 30.39 1030.4
31 07:51 NW 14 9.00 Light Snow BKN014 OVC034 16 10 77% 3 30.38 1029.9
31 05:51 NW 16 G 22 10.00 Overcast BKN018 OVC070 12.9 6.1 12.9 10.9 74% -2 30.37 1029.7
31 04:51 NW 14 10.00 Overcast BKN020 BKN035 OVC075 12.9 6.1 74% -1 30.37 1029.8
31 03:51 NW 12 9.00 Overcast FEW024 BKN036 OVC080 12.9 6.1 74% 0 30.38 1030.0
31 02:51 NW 13 G 22 3.00 Light Snow BKN034 OVC080 12 5 73% -2 30.39 1030.3
31 01:51 NW 13 G 21 10.00 Mostly Cloudy FEW030 BKN080 BKN120 12 1.9 64% -2 30.4 1030.9
31 00:51 NW 13 10.00 Mostly Cloudy FEW030 BKN120 BKN180 10.9 1 64% -3 30.4 1031.0
30 23:51 NW 13 10.00 Mostly Cloudy FEW030 SCT080 BKN180 10.9 1.9 17.1 10.9 67% -3 30.42 1031.4
30 22:51 NW 14 G 25 10.00 Mostly Cloudy FEW060 SCT070 BKN100 12 3 67% -2 30.42 1031.6
30 21:51 N 13 G 23 10.00 Mostly Cloudy SCT075 BKN100 12.9 1 59% -1 30.43 1032.0
30 20:51 N 13 10.00 Mostly Cloudy SCT080 BKN110 12 -0 58% -2 30.44 1032.2
30 19:51 NW 14 G 23 10.00 Mostly Cloudy BKN120 12.9 1 59% -1 30.43 1031.9
30 17:51 N 16 1.50 Light Snow Fog/Mist SCT018 BKN027 OVC040 17.1 10.9 18 16 77% 3 30.41 1031.2 0.09
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)