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.
18 23:51 SW 9 16.09 A Few Clouds FEW250 17.2 12.2 73% 75.82 1010.5
18 22:51 SW 7 16.09 Fair CLR 18.3 11.7 66% 75.82 1010.4
18 21:51 W 6 16.09 Fair CLR 19.4 11.7 61% 75.79 1010.2
18 20:51 W 6 16.09 A Few Clouds FEW050 FEW250 20.6 11.1 55% 75.74 1009.4
18 19:51 W 11 16.09 A Few Clouds FEW060 FEW250 21.7 10.6 49% 75.69 1009.0
18 18:51 W 9 16.09 A Few Clouds FEW065 22.2 11.1 22.8 20.6 50% 75.69 1008.7
18 17:51 NW 15 G 26 16.09 Partly Cloudy SCT065 22.8 10.6 46% 75.69 1008.8
18 16:51 NW 17 16.09 Mostly Cloudy BKN055 21.7 10.6 49% 75.67 1008.6
18 15:51 W 17 16.09 Mostly Cloudy BKN055 22.2 10 46% 75.64 1008.1
18 14:51 W 13 16.09 Mostly Cloudy BKN048 22.2 10.6 48% 75.64 1008.1
18 13:51 NW 11 G 30 16.09 Mostly Cloudy BKN045 21.7 11.1 51% 75.59 1007.5
18 12:51 NW 15 G 35 16.09 Mostly Cloudy BKN043 20.6 11.1 21.1 16.7 55% 75.57 1007.1
18 11:51 N 22 G 37 16.09 Mostly Cloudy BKN035 20 11.1 57% 75.51 1006.4
18 10:51 NW 20 16.09 Mostly Cloudy FEW031 BKN043 18.9 11.7 63% 75.46 1005.7
18 08:51 NW 13 16.09 Mostly Cloudy SCT026 BKN034 17.2 12.2 73% 75.34 1004.1
18 07:51 NW 24 G 46 16.09 Overcast BKN021 OVC026 16.7 12.2 75% 75.26 1002.9
18 04:51 W 20 G 37 16.09 A Few Clouds FEW025 17.8 13.9 78% 74.88 997.8
18 03:51 W 22 G 35 16.09 Fair CLR 18.3 14.4 78% 74.8 996.8
18 02:51 W 20 G 33 16.09 A Few Clouds FEW100 18.9 15 78% 74.78 996.7
18 01:51 W 19 G 30 16.09 A Few Clouds FEW050 FEW110 19.4 15 76% 74.73 995.8
18 00:51 SW 20 G 31 16.09 A Few Clouds FEW050 FEW100 20 15 21.1 19.4 73% 74.7 995.8
17 23:51 SW 20 G 39 16.09 A Few Clouds FEW055 FEW100 21.1 16.1 73% 74.7 995.7
17 22:51 W 24 16.09 A Few Clouds FEW043 FEW250 20.6 17.8 84% 74.65 994.9
17 21:51 SW 19 G 31 16.09 A Few Clouds FEW040 FEW250 19.4 17.8 91% 74.55 993.8
17 20:51 SW 17 16.09 Partly Cloudy FEW040 SCT100 SCT250 19.4 17.8 91% 74.55 993.5
17 19:51 SW 15 16.09 Mostly Cloudy FEW012 SCT020 BKN100 BKN250 20 17.8 87% 74.55 993.4
17 18:51 S 17 16.09 Mostly Cloudy BKN012 BKN021 BKN250 20 17.2 21.1 13.3 84% 74.52 993.2 0.51
17 17:51 S 22 G 48 16.09 Overcast OVC015 20 17.2 84% 74.52 993.3
17 16:51 S 24 G 39 16.09 Mostly Cloudy FEW009 BKN130 BKN250 20.6 17.2 81% 74.6 994.4
17 15:51 S 24 G 43 16.09 Mostly Cloudy SCT009 BKN120 BKN250 17.8 16.1 90% 74.68 995.2 0.51
17 14:51 S 19 G 35 16.09 Light Rain FEW028 SCT070 OVC100 15.6 14.4 93% 74.88 998.0 0.2
17 13:51 S 39 G 65 9.66 Rain Fog/Mist and Breezy FEW050 OVC095 13.9 12.8 93% 74.83 997.6 0.3
17 12:51 S 19 G 35 11.27 Light Rain FEW050 BKN100 OVC140 13.3 10.6 16.1 13.3 84% 74.9 998.5 0.1 1.22
17 11:51 S 48 G 80 16.09 Light Rain and Windy FEW060 BKN090 BKN120 BKN200 OVC250 13.9 10 78% 74.75 996.5 0.41
17 10:51 S 13 6.44 Rain Fog/Mist SCT070 OVC100 14.4 12.2 87% 75.31 1004.0 0.56
17 09:51 Calm 11.27 Light Rain FEW070 BKN095 OVC140 15 12.8 87% 75.29 1003.4 0.13 0.15
17 08:51 S 7 16.09 Light Rain FEW085 BKN110 OVC180 15.6 11.1 75% 75.26 1003.1 0.03
17 07:51 Calm 16.09 Light Rain FEW085 BKN110 OVC200 16.1 10 67% 75.29 1003.4
17 06:51 S 11 16.09 Overcast FEW100 BKN140 BKN190 OVC250 15.6 10.6 16.1 15 72% 75.26 1003.1
17 05:51 SW 7 16.09 Mostly Cloudy BKN180 BKN250 15.6 10.6 72% 75.31 1003.7
17 04:51 SW 7 16.09 Overcast BKN180 OVC250 15 10.6 75% 75.26 1003.1
17 03:51 SW 7 16.09 Mostly Cloudy BKN250 15 10 72% 75.26 1003.0
17 02:51 SW 7 16.09 Mostly Cloudy BKN250 15.6 10 70% 75.26 1003.1
17 01:51 SW 11 16.09 Mostly Cloudy BKN250 15.6 10 70% 75.31 1003.8
17 00:51 SW 7 16.09 A Few Clouds FEW250 16.1 10 20 16.1 67% 75.31 1003.8
16 23:51 SW 9 16.09 A Few Clouds FEW075 FEW250 16.7 10.6 67% 75.34 1003.9
16 22:51 SW 7 16.09 A Few Clouds FEW075 FEW250 17.8 10 60% 75.31 1003.8
16 21:51 W 9 16.09 A Few Clouds FEW250 18.3 10 59% 75.31 1003.6
16 20:51 W 15 16.09 Mostly Cloudy SCT075 BKN250 19.4 9.4 53% 75.26 1003.0
16 19:51 W 20 G 35 16.09 Mostly Cloudy FEW065 BKN075 20 9.4 51% 75.23 1002.7
16 18:51 W 28 G 52 16.09 Mostly Cloudy FEW055 BKN070 20 8.9 24.4 20 49% 75.21 1002.5
16 17:51 W 26 G 44 16.09 Mostly Cloudy FEW055 BKN080 BKN250 20.6 10 51% 75.18 1002.1
16 16:51 W 35 G 56 16.09 Mostly Cloudy and Breezy FEW060 BKN070 BKN250 22.2 8.3 41% 75.16 1001.6
16 15:51 W 28 G 54 16.09 Mostly Cloudy BKN070 BKN250 23.3 7.8 37% 75.11 1001.0
16 14:51 SW 22 G 48 16.09 Mostly Cloudy BKN070 BKN085 BKN250 23.9 7.8 36% 25 75.08 1000.5
16 13:51 SW 30 G 52 16.09 Mostly Cloudy BKN055 BKN250 24.4 11.7 45% 26 75.11 1001.0
16 12:51 SW 41 G 63 16.09 Mostly Cloudy and Breezy BKN045 BKN060 BKN090 BKN250 23.3 11.7 23.3 18.3 48% 75.18 1001.9
16 11:51 S 33 G 59 16.09 A Few Clouds and Breezy FEW045 FEW085 FEW250 22.2 10.6 48% 75.21 1002.4
16 10:51 SW 30 G 57 16.09 Mostly Cloudy SCT085 BKN250 21.1 10.6 51% 75.26 1003.0
16 09:51 SW 19 G 35 16.09 Mostly Cloudy BKN085 BKN110 BKN250 20.6 10.6 53% 75.34 1003.8
16 08:51 S 17 16.09 Mostly Cloudy FEW070 SCT095 BKN190 BKN250 19.4 10 55% 75.34 1004.1
16 07:51 SW 20 G 41 16.09 Mostly Cloudy FEW060 SCT100 BKN130 BKN250 18.3 10 59% 75.46 1005.6
16 06:51 SW 19 G 35 16.09 Mostly Cloudy FEW060 FEW090 SCT130 BKN250 18.3 10 18.3 16.7 59% 75.46 1005.7
16 05:51 SW 19 G 33 16.09 A Few Clouds FEW090 FEW150 FEW250 16.7 10 65% 75.51 1006.2
16 04:51 SW 19 16.09 A Few Clouds FEW090 FEW200 16.7 10 65% 75.51 1006.5
16 03:51 SW 19 16.09 A Few Clouds FEW200 16.7 10.6 67% 75.54 1006.8
16 02:51 SW 17 16.09 A Few Clouds FEW090 FEW180 17.2 10 63% 75.62 1007.6
16 01:51 SW 15 16.09 A Few Clouds FEW180 FEW250 17.8 10 60% 75.64 1008.1
16 00:51 SW 15 16.09 Partly Cloudy FEW180 SCT250 18.3 9.4 23.9 18.3 56% 75.69 1008.9
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)