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.
18 02:51 E 9 10.00 Light Rain OVC070 41 35.1 79% 36 30.04 1017.7 0.02 0.11
18 01:51 E 6 7.00 Light Rain OVC070 41 35.1 79% 38 30.08 1018.9 0.07
18 00:51 S 3 7.00 Rain OVC070 42.1 33.1 71% 30.09 1019.2 0.02
17 23:51 E 5 10.00 Overcast SCT075 BKN095 OVC140 43 32 43 39.9 65% 41 30.07 1018.5
17 22:51 SE 8 10.00 Overcast BKN110 OVC250 43 30.9 63% 39 30.06 1018.4
17 21:51 SE 5 10.00 Mostly Cloudy BKN110 BKN140 42.1 28.9 60% 40 30.07 1018.7
17 20:51 E 6 10.00 Partly Cloudy SCT110 41 27 57% 38 30.06 1018.2
17 19:51 E 5 10.00 Mostly Cloudy BKN110 BKN150 43 25 49% 41 30.06 1018.6
17 18:51 E 3 10.00 Mostly Cloudy BKN140 BKN160 BKN250 42.1 25 51% 30.06 1018.6
17 17:51 E 6 10.00 Mostly Cloudy FEW120 BKN140 BKN220 43 24.1 46.9 42.1 47% 40 30.06 1018.3
17 16:51 Calm 10.00 Mostly Cloudy SCT070 BKN130 BKN250 45 18 34% 30.06 1018.2
17 15:51 Calm 10.00 Mostly Cloudy FEW065 BKN120 BKN180 46 17.1 31% 30.06 1018.3
17 14:51 SW 5 10.00 Mostly Cloudy SCT065 BKN130 BKN180 46 18 33% 44 30.07 1018.6
17 13:51 Vrbl 6 10.00 Mostly Cloudy BKN070 46.9 19 33% 45 30.07 1018.7
17 12:51 Calm 10.00 Mostly Cloudy BKN060 BKN110 46 18 33% 30.08 1019.0
17 11:51 E 5 10.00 Partly Cloudy FEW060 FEW110 SCT180 45 18 46 30.9 34% 43 30.08 1019.2
17 10:51 Calm 10.00 A Few Clouds FEW060 FEW110 FEW250 43 18 37% 30.09 1019.5
17 09:51 Calm 10.00 A Few Clouds FEW060 FEW250 42.1 18 38% 30.12 1020.3
17 08:51 N 3 10.00 A Few Clouds FEW060 FEW200 37.9 18 44% 30.11 1020.2
17 07:51 Calm 10.00 A Few Clouds FEW060 FEW200 34 19 54% 30.1 1020.0
17 06:51 NW 3 10.00 A Few Clouds FEW070 FEW220 32 18 56% 30.08 1019.2
17 05:51 NW 6 10.00 A Few Clouds FEW220 33.1 18 37 32 54% 28 30.07 1018.8
17 04:51 W 6 10.00 A Few Clouds FEW230 34 18 52% 29 30.06 1018.2
17 03:51 NW 8 10.00 Partly Cloudy SCT250 36 17.1 46% 30 30.03 1017.3
17 02:51 NW 7 10.00 Partly Cloudy SCT250 35.1 17.1 48% 30 30.02 1016.9
17 01:51 NW 9 10.00 A Few Clouds FEW250 36 17.1 46% 30 30 1016.5
17 00:51 NW 7 10.00 Fair CLR 36 18 48% 31 29.99 1016.1
16 23:51 W 7 10.00 Fair CLR 36 18 44.1 36 48% 31 29.98 1015.8
16 22:51 NW 7 10.00 Fair CLR 37.9 17.1 43% 33 29.98 1015.6
16 21:51 W 7 10.00 Fair CLR 37.9 17.1 43% 33 29.97 1015.3
16 20:51 W 7 10.00 Fair CLR 39.9 17.1 40% 36 29.96 1015.1
16 19:51 W 9 10.00 Fair CLR 41 17.1 38% 36 29.95 1014.6
16 18:51 W 7 10.00 Fair CLR 41 16 36% 37 29.94 1014.4
16 17:51 W 6 10.00 A Few Clouds FEW250 44.1 14 48.9 44.1 30% 41 29.94 1014.3
16 16:51 W 10 10.00 A Few Clouds FEW250 45 12.9 27% 40 29.93 1013.9
16 15:51 NW 14 G 23 10.00 A Few Clouds FEW250 48 12.9 24% 43 29.93 1013.9
16 14:51 W 9 G 22 10.00 A Few Clouds FEW250 48 12.9 24% 44 29.91 1013.3
16 13:51 W 14 G 24 10.00 A Few Clouds FEW250 48 14 25% 43 29.91 1012.9
16 12:51 NW 10 G 23 10.00 A Few Clouds FEW250 48 12.9 24% 44 29.91 1012.9
16 11:51 NW 13 G 22 10.00 A Few Clouds FEW250 46 10.9 46.9 37 24% 41 29.91 1013.2
16 10:51 NW 13 10.00 A Few Clouds FEW250 44.1 10.9 26% 38 29.94 1013.9
16 09:51 NW 15 G 23 10.00 A Few Clouds FEW250 42.1 12.9 30% 35 29.95 1014.6
16 08:51 NW 16 G 23 10.00 Fair CLR 39.9 15.1 36% 32 29.95 1014.3
16 07:51 NW 13 10.00 Fair CLR 37.9 15.1 39% 31 29.91 1013.2
16 06:51 NW 12 10.00 Fair CLR 37 15.1 41% 30 29.89 1012.3
16 05:51 NW 13 G 25 10.00 Fair CLR 39 15.1 48.9 39 38% 32 29.87 1011.6
16 04:51 NW 13 G 25 10.00 Fair CLR 39.9 14 35% 33 29.85 1011.0
16 03:51 NW 12 G 21 10.00 Fair CLR 42.1 15.1 33% 36 29.82 1009.9
16 02:51 NW 17 G 28 10.00 Fair CLR 43 15.1 32% 36 29.81 1009.5
16 01:51 NW 15 G 24 10.00 Fair CLR 45 16 31% 39 29.79 1008.6
16 00:51 NW 14 G 24 10.00 Fair CLR 46.9 16 29% 42 29.76 1007.7
15 23:51 NW 20 G 30 10.00 A Few Clouds FEW200 48.9 18 62.1 48.9 29% 43 29.74 1007.2
15 22:51 NW 15 10.00 Partly Cloudy SCT200 53.1 32 45% 29.72 1006.2
15 21:51 NW 12 10.00 Mostly Cloudy BKN200 54 35.1 49% 29.7 1005.6
15 20:51 NW 10 G 21 10.00 Mostly Cloudy BKN210 55 36 49% 29.69 1005.2
15 19:51 NW 14 G 24 10.00 A Few Clouds FEW250 57 37.9 49% 29.66 1004.4
15 18:51 NW 14 G 24 10.00 Fair CLR 59 39 48% 29.63 1003.2
15 17:51 NW 10 G 22 10.00 A Few Clouds FEW250 62.1 39.9 71.1 62.1 44% 29.6 1002.0
15 16:51 NW 16 G 25 10.00 A Few Clouds FEW060 FEW250 64.9 39.9 40% 29.56 1000.9
15 15:51 NW 16 G 29 10.00 A Few Clouds FEW060 FEW160 FEW250 68 41 38% 29.54 1000.2
15 14:51 W 17 G 26 10.00 A Few Clouds FEW060 FEW160 FEW250 70 46 42% 29.51 998.9
15 13:51 NW 14 G 28 10.00 A Few Clouds FEW160 FEW250 70 48 46% 29.49 998.3
15 12:51 W 12 G 23 10.00 Partly Cloudy FEW160 SCT250 66.9 51.1 57% 29.49 998.5
15 11:51 W 17 G 26 10.00 Mostly Cloudy BKN140 BKN250 64.9 54 64.9 60.1 68% 29.49 998.5
15 10:51 W 15 G 28 10.00 Mostly Cloudy FEW019 BKN140 BKN250 63 55 76% 29.5 998.8
15 09:51 W 18 G 28 10.00 Overcast FEW020 SCT110 BKN150 OVC250 62.1 55.9 80% 29.53 999.8
15 08:51 SW 18 G 26 10.00 Mostly Cloudy FEW017 SCT190 BKN250 62.1 55.9 80% 29.53 999.7
15 07:51 SW 12 G 26 10.00 Mostly Cloudy FEW018 SCT170 BKN250 60.1 55 84% 29.54 1000.3
15 06:51 SW 16 G 28 10.00 Overcast BKN190 OVC250 61 55 81% 29.55 1000.4
15 05:51 SW 16 G 31 10.00 Overcast BKN210 OVC250 61 55 62.1 60.1 81% 29.55 1000.7
15 04:51 SW 21 G 29 10.00 Overcast and Breezy BKN200 OVC250 61 55 81% 29.58 1001.3
15 03:51 SW 14 G 22 10.00 Overcast OVC250 60.1 54 80% 29.62 1002.7
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)