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.
14 19:51 W 11 16.09 Fair CLR 27.8 17.2 53% 28 76.28 1016.3
14 18:51 W 7 16.09 Fair CLR 29.4 16.7 30.6 28.3 46% 30 76.28 1016.3
14 17:51 SW 13 16.09 A Few Clouds FEW060 30 17.2 46% 30 76.28 1016.3
14 16:51 SW 11 12.87 A Few Clouds FEW060 30.6 15.6 40% 30 76.3 1016.5
14 15:51 SW 9 12.87 Fair CLR 30 12.8 35% 29 76.3 1016.8
14 14:51 Vrbl 6 12.87 Fair CLR 29.4 12.8 36% 29 76.33 1017.2
14 13:51 Vrbl 6 12.87 Fair CLR 29.4 13.9 39% 29 76.35 1017.4
14 12:51 Vrbl 7 11.27 Fair CLR 28.3 15 28.9 20 44% 28 76.38 1017.8
14 11:51 NW 6 12.87 Fair CLR 27.2 15 47% 27 76.4 1018.1
14 10:51 Calm 14.48 Fair CLR 27.8 15.6 47% 28 76.4 1018.0
14 09:51 E 7 14.48 A Few Clouds FEW040 26.1 16.1 54% 27 76.4 1017.9
14 08:51 Calm 14.48 Fair CLR 24.4 16.1 60% 26 76.35 1017.6
14 07:51 Calm 12.87 Fair CLR 22.8 16.1 66% 76.38 1017.7
14 06:51 W 6 12.87 A Few Clouds FEW250 20 16.1 21.1 18.9 78% 76.35 1017.4
14 05:51 NW 7 14.48 Partly Cloudy SCT250 18.9 15.6 81% 76.33 1017.1
14 04:51 W 9 12.87 A Few Clouds FEW250 18.9 15.6 81% 76.3 1016.7
14 03:51 W 7 14.48 Fair CLR 19.4 16.1 81% 76.3 1016.7
14 02:51 W 6 14.48 Fair CLR 19.4 16.1 81% 76.28 1016.6
14 01:51 W 6 14.48 Fair CLR 19.4 16.1 81% 76.3 1016.7
14 00:51 Calm 14.48 Fair CLR 21.1 15.6 26.1 21.1 71% 76.3 1016.7
13 23:51 SW 6 16.09 Fair CLR 21.7 15.6 68% 76.3 1016.7
13 22:51 Calm 16.09 A Few Clouds FEW250 22.2 15.6 66% 76.25 1016.2
13 21:51 NW 6 16.09 Partly Cloudy SCT250 23.9 15 58% 25 76.23 1015.6
13 20:51 Calm 16.09 Mostly Cloudy FEW200 BKN250 24.4 14.4 54% 26 76.2 1015.4
13 19:51 W 7 16.09 Mostly Cloudy FEW200 BKN250 25 14.4 52% 26 76.2 1015.4
13 18:51 W 9 16.09 Mostly Cloudy SCT200 BKN250 26.1 13.3 27.2 25.6 45% 26 76.2 1015.4
13 17:51 W 13 16.09 Mostly Cloudy SCT190 BKN250 27.2 13.3 42% 27 76.15 1014.7
13 16:51 W 17 16.09 Mostly Cloudy FEW190 BKN250 27.2 14.4 45% 27 76.17 1015.1
13 15:51 W 15 16.09 Mostly Cloudy SCT190 BKN250 27.2 15.6 49% 28 76.2 1015.5
13 14:51 Vrbl 11 16.09 Mostly Cloudy FEW050 FEW200 BKN250 26.7 15 49% 27 76.25 1015.9
13 13:51 W 19 16.09 Overcast FEW055 OVC250 26.7 12.2 41% 27 76.28 1016.3
13 12:51 SW 11 16.09 Overcast FEW045 OVC250 26.1 15 26.1 20.6 50% 27 76.28 1016.4
13 11:51 SW 15 16.09 Mostly Cloudy FEW045 BKN250 25.6 15.6 54% 26 76.28 1016.4
13 10:51 W 11 16.09 Mostly Cloudy FEW040 BKN250 25 15 54% 26 76.25 1016.0
13 09:51 Vrbl 6 14.48 Mostly Cloudy BKN250 25.6 16.1 56% 26 76.23 1015.6
13 08:51 Calm 16.09 Mostly Cloudy BKN250 23.3 16.7 67% 76.25 1015.8
13 07:51 NW 6 16.09 Mostly Cloudy BKN250 21.7 16.7 73% 76.25 1015.9
13 06:51 W 11 16.09 Mostly Cloudy BKN250 20.6 16.7 22.8 19.4 78% 76.23 1015.9
13 05:51 W 7 16.09 Mostly Cloudy BKN250 19.4 16.7 84% 76.2 1015.4
13 04:51 NW 9 16.09 Partly Cloudy SCT250 20 16.7 81% 76.17 1015.1
13 03:51 W 9 16.09 Partly Cloudy SCT250 20.6 17.8 84% 76.12 1014.6
13 02:51 W 7 16.09 A Few Clouds FEW250 21.7 17.8 79% 76.1 1014.1
13 01:51 NW 11 16.09 A Few Clouds FEW250 22.2 18.3 79% 76.07 1013.9
13 00:51 W 11 14.48 A Few Clouds FEW250 22.8 19.4 28.3 22.8 81% 76.07 1013.8
12 23:51 W 9 16.09 Partly Cloudy FEW030 SCT250 23.9 20.6 82% 24 76.07 1013.6
12 22:51 W 11 16.09 Partly Cloudy FEW030 FEW050 SCT250 24.4 21.1 82% 25 76.05 1013.3
12 21:51 W 11 16.09 Partly Cloudy FEW030 FEW050 SCT250 26.1 21.1 74% 28 76.05 1013.1
12 20:51 W 6 16.09 Mostly Cloudy SCT050 SCT100 BKN250 26.7 21.1 71% 28 75.95 1012.1
12 19:51 SW 13 16.09 Mostly Cloudy SCT037TCU SCT070 BKN250 27.8 20.6 65% 30 75.95 1011.8
12 18:51 SW 13 16.09 Partly Cloudy SCT035 SCT250 28.3 21.1 28.9 25 65% 31 75.9 1011.2
12 17:51 SW 19 16.09 Mostly Cloudy BKN035 BKN250 28.3 20.6 63% 30 75.87 1010.9
12 16:51 SW 15 16.09 Mostly Cloudy BKN035 BKN050 BKN250 28.3 20.6 63% 30 75.87 1010.8
12 15:51 SW 17 G 28 16.09 Mostly Cloudy BKN035 BKN055 BKN250 27.8 20.6 65% 30 75.87 1010.8
12 14:51 W 13 16.09 Mostly Cloudy BKN030 BKN060 BKN250 27.2 20.6 67% 29 75.87 1011.0
12 13:51 SW 17 16.09 Mostly Cloudy BKN030 BKN055 BKN250 26.7 20.6 69% 28 75.95 1011.9
12 12:51 SW 15 16.09 Mostly Cloudy BKN025 BKN070 BKN250 25.6 20 25.6 21.1 71% 27 75.95 1012.1
12 11:51 SW 20 16.09 Mostly Cloudy BKN026 BKN070 BKN250 25.6 19.4 69% 27 75.95 1012.0
12 10:51 SW 20 16.09 Mostly Cloudy SCT020 BKN075 BKN250 25 18.9 69% 26 75.92 1011.6
12 09:51 W 17 16.09 Mostly Cloudy FEW010 BKN070 BKN150 BKN250 24.4 18.9 72% 25 75.92 1011.6
12 08:51 SW 15 16.09 Mostly Cloudy FEW010 FEW090 SCT150 BKN250 23.3 19.4 79% 75.9 1011.4
12 07:51 W 19 16.09 Mostly Cloudy FEW010 FEW040 SCT100 BKN150 BKN250 22.8 19.4 81% 75.87 1011.0
12 06:51 SW 11 16.09 Mostly Cloudy FEW010 FEW040 BKN140 BKN250 21.1 19.4 22.8 20.6 90% 75.84 1010.6
12 05:51 W 15 16.09 Mostly Cloudy FEW008 SCT040 BKN200 21.1 19.4 90% 75.82 1010.2
12 04:51 W 11 16.09 Overcast SCT010 BKN037 OVC200 21.7 20.6 94% 75.74 1009.3
12 03:51 NW 19 16.09 Overcast BKN010 OVC200 21.7 21.1 96% 75.69 1008.6
12 02:51 Calm 16.09 Overcast FEW090 BKN200 OVC250 22.8 21.1 90% 75.67 1008.0
12 01:51 E 11 16.09 Overcast FEW046 SCT090 OVC200 22.2 21.1 94% 75.69 1008.4
12 00:51 E 15 16.09 Overcast FEW024 BKN046 OVC060 22.2 21.1 30.6 21.7 94% 75.77 1009.5 0.28 0.3
11 23:51 N 7 16.09 Thunderstorm Light Rain BKN045CB BKN090 OVC130 22.2 20 87% 75.87 1010.7
11 22:51 NE 11 16.09 Overcast SCT045 SCT085 BKN130 OVC250 22.8 20.6 87% 75.82 1010.4
11 21:51 NW 15 16.09 Thunderstorm Light Rain FEW028 BKN042CB BKN085 OVC130 22.2 20 87% 75.87 1011.0 0.03 0.03
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)