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.
10 08:51 E 7 16.09 Fair CLR 11.7 -3.3 35% 76.38 1018.4
10 07:51 E 6 16.09 Fair CLR 11.1 0 47% 76.35 1018.0
10 06:51 Calm 16.09 Fair CLR 7.8 1.1 10.6 4.4 63% 76.28 1016.9
10 05:51 N 9 16.09 A Few Clouds FEW250 4.4 -0.6 70% 2 76.23 1016.3
10 04:51 N 9 16.09 Fair CLR 5 -1.1 65% 3 76.17 1015.4
10 03:51 NE 7 16.09 A Few Clouds FEW250 7.8 -1.1 54% 7 76.15 1015.0
10 02:51 NE 11 16.09 A Few Clouds FEW250 7.8 -0.6 56% 6 76.07 1014.2
10 01:51 N 20 16.09 Fair CLR 9.4 0.6 55% 7 76.02 1013.6
10 00:51 Vrbl 9 16.09 A Few Clouds FEW250 9.4 2.8 20.6 9.4 64% 8 75.97 1012.7
09 23:51 Calm 16.09 A Few Clouds FEW250 11.1 1.7 53% 75.9 1011.7
09 22:51 SE 6 16.09 A Few Clouds FEW250 11.1 0.6 49% 75.82 1010.8
09 21:51 Calm 16.09 A Few Clouds FEW250 11.7 0.6 47% 75.77 1010.2
09 20:51 NE 17 16.09 A Few Clouds FEW090 FEW250 12.8 0.6 44% 75.69 1009.0
09 19:51 NE 19 16.09 Partly Cloudy FEW090 SCT250 14.4 1.1 41% 75.57 1007.5
09 18:51 NW 26 G 43 16.09 Mostly Cloudy SCT090 BKN250 20.6 1.1 23.9 20.6 27% 75.44 1005.7
09 17:51 W 30 G 48 16.09 Partly Cloudy FEW090 SCT150 SCT250 22.2 1.1 25% 75.39 1004.7
09 16:51 NW 31 G 57 16.09 Mostly Cloudy SCT090 SCT130 BKN250 22.2 0.6 24% 75.31 1003.8
09 15:51 W 28 G 56 16.09 Mostly Cloudy SCT090 BKN130 22.8 1.7 25% 75.26 1003.1
09 14:51 W 22 G 52 16.09 Mostly Cloudy BKN100 BKN130 23.9 1.7 23% 25 75.29 1003.5
09 13:51 W 24 G 43 16.09 Mostly Cloudy BKN110 BKN130 22.2 0 23% 75.26 1003.2
09 12:51 W 19 G 31 16.09 Mostly Cloudy FEW070 SCT110 BKN160 BKN250 21.1 0.6 22.2 11.7 26% 75.29 1003.5
09 11:51 W 19 G 33 16.09 Mostly Cloudy FEW100 SCT160 BKN250 21.1 7.2 41% 75.31 1003.7
09 10:51 W 19 16.09 Mostly Cloudy FEW200 BKN250 18.9 8.3 50% 75.31 1003.7
09 09:51 SW 22 16.09 A Few Clouds FEW200 FEW250 17.2 8.9 58% 75.29 1003.7
09 08:51 SW 22 G 33 16.09 Partly Cloudy FEW110 SCT250 15 9.4 69% 75.29 1003.5
09 07:51 SW 19 16.09 Partly Cloudy FEW110 SCT250 13.3 9.4 77% 75.29 1003.5
09 06:51 SW 19 16.09 Mostly Cloudy SCT110 SCT230 BKN250 11.7 9.4 13.3 11.1 86% 75.29 1003.5
09 05:51 SW 17 16.09 Mostly Cloudy SCT110 BKN250 12.2 9.4 83% 75.23 1002.7
09 04:51 SW 19 16.09 Mostly Cloudy BKN250 11.7 9.4 86% 75.23 1003.0
09 03:51 SW 15 16.09 Mostly Cloudy BKN250 11.7 9.4 86% 75.29 1003.5
09 02:51 SW 19 16.09 A Few Clouds FEW250 11.7 9.4 86% 75.29 1003.6
09 01:51 SW 17 16.09 Fair CLR 12.8 9.4 80% 75.34 1004.4
09 00:51 SW 19 16.09 A Few Clouds FEW250 13.3 9.4 16.1 12.8 77% 75.39 1005.0
08 23:51 SW 17 16.09 A Few Clouds FEW250 13.9 9.4 74% 75.39 1004.9
08 22:51 S 19 16.09 Mostly Cloudy BKN250 15 8.3 64% 75.41 1005.2
08 21:51 S 13 16.09 Mostly Cloudy BKN250 13.3 6.1 62% 75.41 1005.5
08 20:51 SE 9 16.09 Mostly Cloudy BKN250 13.3 6.1 62% 75.41 1005.5
08 19:51 SE 17 16.09 Mostly Cloudy FEW070 BKN250 15 6.7 58% 75.41 1005.4
08 18:51 E 13 16.09 Mostly Cloudy SCT065 BKN085 BKN250 16.1 7.2 19.4 16.1 56% 75.41 1005.6
08 17:51 SE 20 16.09 Mostly Cloudy SCT060 BKN080 BKN250 17.2 8.3 56% 75.44 1005.8
08 16:51 E 19 16.09 Mostly Cloudy BKN070 BKN250 17.8 7.8 52% 75.46 1006.1
08 15:51 SE 15 16.09 Mostly Cloudy BKN085 BKN250 18.9 7.8 49% 75.46 1006.1
08 14:51 S 15 16.09 Mostly Cloudy BKN070 BKN250 18.9 5 40% 75.54 1007.1
08 13:51 SE 9 16.09 Mostly Cloudy SCT065 BKN250 18.9 3.3 36% 75.59 1007.8
08 12:51 SE 7 16.09 Mostly Cloudy FEW050 BKN250 17.2 3.3 17.8 6.7 40% 75.67 1008.6
08 11:51 SE 7 16.09 Mostly Cloudy FEW035 FEW090 SCT200 BKN250 17.2 1.1 34% 75.72 1009.6
08 10:51 S 7 16.09 Mostly Cloudy SCT085 BKN250 15 1.7 41% 75.77 1010.3
08 09:51 Vrbl 6 16.09 Partly Cloudy SCT090 13.3 5 57% 75.82 1010.7
08 08:51 Vrbl 6 12.87 Mostly Cloudy BKN085 11.1 6.7 75% 75.82 1010.8
08 07:51 E 7 11.27 Mostly Cloudy BKN095 8.9 6.1 83% 8 75.82 1011.1
08 06:51 Calm 12.87 Mostly Cloudy BKN100 6.7 4.4 7.2 3.3 85% 75.82 1011.1
08 05:51 Calm 9.66 Fog/Mist SCT120 5 3.3 89% 75.82 1010.9
08 04:51 Calm 11.27 A Few Clouds FEW110 5 3.3 89% 75.82 1011.2
08 03:51 N 7 11.27 A Few Clouds FEW110 5 3.3 89% 4 75.82 1011.1
08 02:51 Calm 11.27 A Few Clouds FEW090 5.6 4.4 92% 75.87 1011.4
08 01:51 N 13 12.87 A Few Clouds FEW090 5.6 4.4 92% 3 75.87 1011.6
08 00:51 N 6 16.09 A Few Clouds FEW085 6.7 5 14.4 6.1 89% 75.84 1011.4
07 23:51 Calm 16.09 Fair CLR 8.3 5.6 83% 75.84 1011.1
07 22:51 Calm 16.09 A Few Clouds FEW080 10 4.4 68% 75.79 1010.6
07 21:51 S 7 16.09 A Few Clouds FEW070 11.7 4.4 61% 75.77 1010.3
07 20:51 S 6 16.09 A Few Clouds FEW070 12.8 2.2 49% 75.74 1009.9
07 19:51 SW 11 16.09 A Few Clouds FEW060 FEW090 13.9 2.2 45% 75.69 1009.3
07 18:51 SW 13 16.09 Partly Cloudy FEW060 FEW090 SCT250 14.4 3.3 15.6 10 48% 75.69 1009.2 0.05
07 17:51 S 11 16.09 Mostly Cloudy FEW047 SCT065 BKN250 13.3 5 57% 75.72 1009.6 0.03
07 16:51 N 13 16.09 Thunderstorm Light Rain BKN048CB BKN065 BKN250 10.6 3.9 64% 75.79 1010.7 0.03
07 15:51 W 41 G 63 16.09 Thunderstorm Light Rain and Breezy BKN055CB BKN075 BKN250 12.8 2.2 49% 75.72 1009.7
07 14:51 SW 26 G 52 16.09 Mostly Cloudy SCT049 BKN065 BKN250 15 2.8 44% 75.79 1010.5
07 13:51 SW 33 G 56 16.09 Mostly Cloudy and Breezy BKN070CB BKN090 BKN250 15 -0.6 35% 75.82 1011.0
07 12:51 SW 17 G 31 16.09 Mostly Cloudy FEW070 BKN085 BKN250 14.4 -1.7 15 3.9 33% 75.9 1012.0
07 11:51 SW 22 G 33 16.09 Mostly Cloudy SCT100 SCT160 BKN250 13.3 -3.3 32% 75.97 1013.1
07 10:51 W 13 16.09 A Few Clouds FEW090 FEW250 12.2 -3.3 34% 76.05 1014.2
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)