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.
10 01:51 S 12 10.00 Mostly Cloudy BKN250 37 27 67% 30 29.8 1009.8
10 00:51 S 13 G 20 10.00 Mostly Cloudy BKN250 37 27 67% 30 29.83 1010.8
09 23:51 S 13 G 21 10.00 Overcast BKN160 OVC250 37 27 37 36 67% 30 29.86 1011.9
09 22:51 SW 12 10.00 Overcast BKN160 OVC250 36 26.1 67% 29 29.88 1012.6
09 21:51 S 10 10.00 Overcast SCT160 OVC250 36 25 64% 29 29.87 1012.3
09 20:51 S 14 G 21 10.00 Overcast BKN180 OVC250 37 24.1 59% 29 29.9 1013.1
09 19:51 S 8 10.00 Overcast SCT170 OVC240 37 23 57% 32 29.93 1014.2
09 18:51 S 9 10.00 Overcast SCT120 OVC250 37 23 57% 31 29.94 1014.5
09 17:51 S 6 10.00 Overcast SCT160 OVC250 37 21 37.9 32 52% 33 29.98 1015.9
09 16:51 S 8 10.00 Overcast BKN140 OVC250 37 19.9 50% 32 29.99 1016.1
09 15:51 S 8 10.00 Overcast FEW150 OVC250 37.9 19 46% 33 30.01 1017.0
09 14:51 S 7 10.00 Overcast OVC250 37 19 48% 32 30.02 1017.4
09 13:51 S 9 10.00 Overcast FEW200 OVC250 36 17.1 46% 30 30.03 1017.8
09 12:51 S 9 10.00 Mostly Cloudy FEW210 BKN250 35.1 15.1 44% 29 30.04 1018.2
09 11:51 S 6 10.00 Mostly Cloudy BKN250 32 15.1 32 21.9 50% 27 30.08 1019.5
09 10:51 S 7 10.00 Mostly Cloudy BKN250 30 15.1 54% 24 30.12 1020.9
09 09:51 S 6 10.00 Mostly Cloudy BKN250 27 15.1 61% 21 30.15 1021.8
09 08:51 SE 6 10.00 Mostly Cloudy BKN250 25 14 63% 19 30.16 1022.4
09 07:51 SE 8 10.00 Partly Cloudy SCT250 23 14 68% 15 30.17 1022.6
09 06:51 SE 7 10.00 Partly Cloudy SCT250 21.9 15.1 75% 14 30.19 1023.3
09 05:51 SE 6 10.00 Mostly Cloudy BKN250 23 15.1 26.1 21.9 72% 17 30.2 1023.5
09 04:51 Calm 10.00 A Few Clouds FEW060 FEW250 23 15.1 72% 30.2 1023.8
09 03:51 SE 6 10.00 Partly Cloudy FEW060 SCT240 24.1 16 71% 18 30.18 1023.0
09 02:51 SE 6 10.00 Mostly Cloudy BKN060 25 16 69% 19 30.19 1023.1
09 01:51 SE 6 10.00 Overcast OVC060 26.1 16 66% 20 30.21 1024.0
09 00:51 SE 6 10.00 Overcast OVC055 26.1 16 66% 20 30.23 1024.6
08 23:51 SE 9 10.00 Overcast OVC055 26.1 16 27 26.1 66% 18 30.24 1025.0
08 22:51 SE 9 10.00 Overcast OVC055 26.1 16 66% 18 30.26 1025.7
08 21:51 SE 10 10.00 Overcast OVC060 26.1 16 66% 17 30.28 1026.3
08 20:51 SE 9 10.00 Overcast OVC060 26.1 17.1 69% 18 30.27 1026.2
08 19:51 SE 13 10.00 Overcast OVC060 27 17.1 66% 17 30.28 1026.3
08 18:51 SE 14 10.00 Overcast OVC060 27 17.1 66% 16 30.28 1026.4
08 17:51 E 15 10.00 Mostly Cloudy BKN060 27 18 30 27 69% 16 30.27 1026.1
08 16:51 E 12 10.00 Mostly Cloudy FEW012 BKN060 28 17.1 63% 19 30.27 1025.9
08 15:51 E 12 10.00 Mostly Cloudy FEW012 BKN060 28 17.1 63% 19 30.27 1025.9
08 14:51 E 9 10.00 Mostly Cloudy FEW012 BKN060 30 16 56% 22 30.27 1026.0
08 13:51 SE 12 10.00 Mostly Cloudy FEW012 BKN065 30 15.1 54% 21 30.28 1026.2
08 12:51 SE 14 G 18 10.00 Partly Cloudy FEW012 SCT070 30 15.1 54% 20 30.3 1026.9
08 11:51 SE 9 10.00 A Few Clouds FEW012 FEW070 28 16 28.9 21 60% 20 30.32 1027.7
08 10:51 SE 10 10.00 A Few Clouds FEW012 FEW070 27 16 63% 18 30.35 1028.7
08 09:51 SE 13 10.00 A Few Clouds FEW012 FEW070 25 16 69% 14 30.34 1028.5
08 08:51 SE 13 10.00 A Few Clouds FEW012 FEW060 FEW100 23 16 74% 12 30.34 1028.4
08 07:51 SE 9 9.00 A Few Clouds FEW012 FEW100 FEW160 21.9 17.1 82% 13 30.34 1028.4
08 06:51 SE 8 10.00 Mostly Cloudy SCT013 SCT100 BKN160 21 16 81% 12 30.33 1028.1
08 05:51 SE 8 10.00 Partly Cloudy FEW012 FEW100 SCT160 21 16 23 21 81% 12 30.32 1027.7
08 04:51 SE 8 10.00 Overcast FEW012 BKN100 OVC140 23 18 81% 15 30.3 1027.2
08 03:51 E 9 10.00 Overcast FEW012 OVC120 23 18 81% 14 30.3 1027.0
08 02:51 E 7 10.00 Overcast SCT012 OVC110 23 18 81% 16 30.34 1028.4
08 01:51 E 8 10.00 Overcast SCT012 OVC055 23 18 81% 15 30.35 1028.9
08 00:51 E 5 10.00 Overcast SCT010 OVC048 21.9 18 85% 16 30.37 1029.4
07 23:51 E 7 8.00 Overcast FEW020 OVC050 21.9 17.1 23 21 82% 14 30.35 1028.9 0.01
07 22:51 E 7 1.50 Light Snow Fog/Mist OVC020 21 17.1 85% 13 30.35 1028.9 0.01
07 21:51 E 7 10.00 Overcast OVC042 23 10 57% 16 30.35 1028.8
07 20:51 E 7 10.00 Overcast BKN085 OVC110 23 10 57% 16 30.35 1028.9
07 19:51 E 7 10.00 Overcast BKN100 OVC200 21.9 8.1 55% 14 30.35 1029.0
07 18:51 E 10 10.00 Overcast BKN120 OVC200 21.9 8.1 55% 12 30.36 1029.5
07 17:51 E 8 10.00 Mostly Cloudy SCT150 BKN220 BKN250 21.9 8.1 25 21 55% 13 30.37 1029.9
07 16:51 E 6 10.00 Mostly Cloudy FEW030 FEW100 SCT130 BKN220 BKN250 23 7 50% 17 30.37 1029.7
07 15:51 Calm 10.00 Mostly Cloudy FEW030 FEW100 SCT130 BKN250 24.1 -4 29% 30.37 1029.6
07 14:51 Calm 10.00 Mostly Cloudy FEW030 FEW090 BKN130 BKN250 24.1 -7.1 25% 30.38 1029.9
07 13:51 E 3 10.00 Mostly Cloudy FEW030 BKN130 BKN250 24.1 -5.1 27% 30.38 1029.9
07 12:51 Calm 10.00 Partly Cloudy FEW030 FEW150 SCT250 23 -0.9 35% 30.41 1030.9
07 11:51 NE 5 10.00 Partly Cloudy FEW030 SCT250 21 1.9 21.9 12 43% 15 30.43 1031.7
07 10:51 N 8 10.00 A Few Clouds FEW030 FEW250 19.9 6.1 55% 11 30.44 1032.1
07 09:51 NW 8 10.00 A Few Clouds FEW030 FEW250 18 5 57% 9 30.44 1032.0
07 08:51 N 9 10.00 A Few Clouds FEW030 15.1 3 59% 4 30.41 1030.9
07 07:51 N 12 10.00 A Few Clouds FEW030 12.9 1 59% 0 30.39 1030.2
07 06:51 NW 8 10.00 A Few Clouds FEW030 12 -0.9 56% 1 30.38 1030.0
07 05:51 NW 10 10.00 A Few Clouds FEW030 12 -0.9 19 12 56% -0 30.37 1029.6
07 04:51 N 9 10.00 Fair CLR 12 -0.9 56% 1 30.36 1029.2
07 03:51 N 13 10.00 Fair CLR 12.9 -0.9 54% -1 30.34 1028.3
07 02:51 N 16 10.00 Fair CLR 14 -0.9 51% -1 30.31 1027.4
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)