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.
08 18:51 S 20 16.09 Mostly Cloudy FEW045 BKN250 30.6 21.1 33.3 30.6 57% 33 76.15 1014.7
08 17:51 S 19 G 37 16.09 Mostly Cloudy FEW045 BKN250 31.7 21.1 53% 35 76.15 1014.6
08 16:51 S 20 G 35 16.09 Mostly Cloudy FEW047 BKN250 32.2 20.6 50% 35 76.15 1014.7
08 15:51 S 24 G 37 16.09 Mostly Cloudy SCT047 BKN250 32.8 20.6 49% 36 76.12 1014.2
08 14:51 S 24 G 37 16.09 Mostly Cloudy SCT047 BKN250 33.3 21.1 49% 37 76.15 1014.6
08 13:51 SW 26 G 41 16.09 Partly Cloudy SCT044 SCT300 32.8 20.6 49% 36 76.2 1015.4
08 12:51 S 20 G 37 16.09 Partly Cloudy SCT043 SCT300 32.8 21.1 32.8 23.9 50% 36 76.23 1015.6
08 11:51 S 26 G 43 16.09 A Few Clouds FEW040 FEW300 32.2 20.6 50% 35 76.25 1015.9
08 10:51 S 19 G 30 16.09 A Few Clouds FEW040 FEW300 31.7 20.6 52% 34 76.33 1016.9
08 09:51 S 17 16.09 A Few Clouds FEW300 30 21.1 59% 33 76.35 1017.2
08 08:51 S 13 16.09 A Few Clouds FEW250 27.8 21.1 67% 30 76.35 1017.4
08 07:51 S 11 16.09 A Few Clouds FEW250 25.6 21.7 79% 27 76.35 1017.1
08 06:51 S 7 16.09 A Few Clouds FEW250 23.9 21.7 25.6 23.3 88% 24 76.33 1017.1
08 05:51 SW 7 16.09 A Few Clouds FEW250 23.3 21.1 88% 76.33 1017.1
08 04:51 S 6 16.09 Fair CLR 23.3 21.1 88% 76.33 1017.0
08 03:51 S 7 16.09 Fair CLR 23.9 21.7 88% 24 76.33 1016.8
08 02:51 S 9 16.09 Fair CLR 24.4 22.2 88% 25 76.33 1016.9
08 01:51 S 7 16.09 Fair CLR 25 22.2 85% 26 76.35 1017.2
08 00:51 S 9 16.09 Fair CLR 25.6 22.2 30 25.6 82% 27 76.38 1017.6
07 22:51 S 11 16.09 A Few Clouds FEW035 FEW250 27.2 22.2 74% 30 76.4 1017.9
07 21:51 S 17 16.09 Partly Cloudy FEW035 SCT250 27.8 22.2 72% 30 76.4 1018.0
07 20:51 S 15 16.09 Mostly Cloudy FEW040 BKN250 28.3 22.2 70% 31 76.38 1017.7
07 19:51 S 15 16.09 Mostly Cloudy FEW045 BKN250 29.4 22.2 65% 33 76.3 1016.8
07 18:51 S 19 16.09 Mostly Cloudy FEW047 BKN250 30 21.7 32.8 30 61% 33 76.3 1016.7
07 17:51 S 15 16.09 Mostly Cloudy SCT047 BKN250 31.1 21.1 55% 34 76.33 1017.1
07 16:51 SW 17 G 31 16.09 Mostly Cloudy SCT047 BKN250 32.2 20 48% 34 76.35 1017.1
07 15:51 S 19 16.09 Mostly Cloudy SCT046 BKN250 31.7 21.1 53% 35 76.4 1017.8
07 14:51 W 11 16.09 Mostly Cloudy SCT045 BKN250 31.7 20 50% 34 76.45 1018.5
07 13:51 S 15 16.09 Mostly Cloudy FEW042 SCT055 BKN250 31.7 20.6 52% 34 76.48 1018.9
07 12:51 S 19 G 31 16.09 Mostly Cloudy FEW044 BKN055 BKN250 30.6 20 31.7 23.9 53% 33 76.5 1019.4
07 11:51 S 15 16.09 Mostly Cloudy FEW044 BKN250 30 20 55% 32 76.53 1019.7
07 10:51 S 19 16.09 Mostly Cloudy FEW040 BKN250 29.4 19.4 55% 31 76.61 1020.6
07 09:51 S 13 16.09 Mostly Cloudy BKN250 28.9 19.4 57% 30 76.58 1020.4
07 08:51 S 13 16.09 Mostly Cloudy BKN250 27.2 19.4 62% 29 76.58 1020.3
07 07:51 S 11 16.09 Mostly Cloudy FEW050 BKN250 25 19.4 71% 26 76.61 1020.8
07 06:51 S 9 16.09 A Few Clouds FEW050 FEW250 23.9 18.9 25 22.8 74% 25 76.63 1021.0
07 05:51 SE 9 16.09 A Few Clouds FEW250 22.8 18.9 79% 76.61 1020.9
07 04:51 S 7 16.09 Partly Cloudy FEW150 SCT250 23.3 18.9 76% 76.63 1021.1
07 03:51 S 6 16.09 Mostly Cloudy SCT150 BKN250 23.9 18.9 74% 25 76.63 1021.3
07 02:51 S 7 14.48 Mostly Cloudy BKN150 BKN250 24.4 19.4 74% 25 76.63 1021.2
07 01:51 Calm 16.09 Overcast BKN160 OVC250 25 19.4 71% 26 76.68 1021.6
07 00:51 SW 6 16.09 Overcast BKN140 OVC250 25 19.4 28.9 24.4 71% 26 76.68 1021.7
06 23:51 S 7 16.09 Overcast BKN180 OVC250 25 19.4 71% 26 76.71 1022.0
06 22:51 SE 9 16.09 Mostly Cloudy BKN150 BKN250 25 18.9 69% 26 76.71 1022.0
06 21:51 SE 13 16.09 Mostly Cloudy FEW120 BKN210 BKN250 25 18.3 66% 26 76.68 1021.9
06 20:51 E 13 16.09 Mostly Cloudy SCT120 BKN250 25.6 18.3 64% 27 76.66 1021.5
06 19:51 SE 17 16.09 Mostly Cloudy FEW050 FEW120 BKN250 27.2 17.8 57% 28 76.63 1021.1
06 18:51 E 17 16.09 Mostly Cloudy SCT055 BKN250 28.3 17.2 30.6 28.3 51% 29 76.63 1021.1
06 17:51 E 11 16.09 Mostly Cloudy SCT055 BKN250 28.3 17.2 51% 29 76.63 1021.1
06 16:51 E 15 16.09 Mostly Cloudy SCT055 BKN250 30 15 40% 30 76.63 1021.2
06 15:51 S 6 16.09 Mostly Cloudy SCT055 BKN250 30 15.6 42% 30 76.68 1021.6
06 14:51 S 15 16.09 Mostly Cloudy BKN055 BKN250 30 16.7 45% 30 76.71 1022.1
06 13:51 SW 13 16.09 Partly Cloudy SCT050 SCT075 SCT300 29.4 16.1 45% 30 76.76 1023.0
06 12:51 S 13 16.09 Partly Cloudy SCT050 SCT075 SCT300 29.4 16.1 29.4 20.6 45% 30 76.84 1023.9
06 11:51 S 9 16.09 Partly Cloudy SCT050 SCT300 28.9 16.7 48% 29 76.86 1024.1
06 10:51 S 13 16.09 Partly Cloudy SCT041 SCT300 27.2 16.1 51% 28 76.84 1023.7
06 09:51 S 11 11.27 A Few Clouds FEW035 FEW300 26.7 18.3 60% 28 76.84 1023.8
06 07:51 SE 9 8.05 A Few Clouds with Haze FEW250 23.3 20.6 85% 76.86 1024.2
06 06:51 NE 6 6.44 Fog/Mist FEW250 20.6 18.3 20.6 18.3 87% 76.84 1024.1
06 05:51 N 6 6.44 Fog/Mist FEW250 18.9 17.8 93% 76.81 1023.7
06 04:51 N 6 8.05 Fog/Mist CLR 19.4 17.8 91% 76.78 1023.2
06 03:51 Calm 8.05 Smoke CLR 19.4 17.8 91% 76.78 1023.1
06 02:51 N 7 8.05 Smoke CLR 20 17.8 87% 76.78 1023.3
06 01:51 N 9 8.05 Smoke CLR 19.4 17.8 91% 76.81 1023.6
06 00:51 N 7 8.05 Smoke CLR 20.6 18.3 26.1 20.6 87% 76.81 1023.5
05 23:51 N 7 9.66 Smoke CLR 21.1 18.3 84% 76.81 1023.6
05 22:51 NE 17 9.66 Smoke CLR 22.2 18.3 79% 76.81 1023.4
05 21:51 E 15 G 30 11.27 Fair CLR 22.8 17.8 74% 76.81 1023.5
05 20:51 E 20 11.27 Fair CLR 23.3 16.7 67% 76.78 1023.1
05 19:51 NE 19 8.05 Smoke FEW250 24.4 15.6 58% 26 76.76 1022.9
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)