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.
19 03:51 Calm 16.09 Overcast SCT120 OVC250 1.1 -1.7 82% 76.3 1017.7
19 02:51 Calm 16.09 Overcast SCT110 OVC250 2.2 -1.7 76% 76.3 1017.7
19 01:51 Calm 16.09 Overcast SCT120 BKN180 OVC250 2.8 -1.7 73% 76.3 1017.8
19 00:51 Calm 16.09 Overcast FEW120 BKN180 OVC250 2.8 -1.7 6.1 2.2 73% 76.33 1018.0
18 23:51 Calm 16.09 Overcast BKN180 OVC250 2.8 -1.7 73% 76.3 1017.9
18 22:51 Calm 16.09 Overcast BKN180 OVC250 3.3 -1.7 70% 76.3 1017.9
18 21:51 NW 6 16.09 Overcast BKN180 OVC250 3.3 -2.2 68% 76.33 1018.1
18 20:51 NW 9 16.09 Overcast BKN190 OVC250 3.9 -1.7 67% 2 76.3 1018.1
18 19:51 W 9 16.09 Overcast OVC240 5 -1.1 65% 3 76.28 1017.5
18 18:51 W 9 16.09 Mostly Cloudy BKN250 6.1 -1.1 7.8 2.8 60% 4 76.23 1016.8
18 17:51 W 11 16.09 A Few Clouds FEW250 7.8 -1.1 54% 6 76.12 1015.6
18 16:51 SW 17 16.09 Fair CLR 7.8 -1.1 54% 5 76.12 1015.4
18 15:51 W 11 16.09 Partly Cloudy SCT039 6.7 -1.7 55% 5 76.12 1015.4
18 14:51 SW 19 16.09 Mostly Cloudy BKN041 5.6 -2.8 55% 2 76.1 1015.2
18 13:51 SW 20 16.09 Overcast FEW031 OVC043 4.4 -3.3 58% 1 76.15 1015.9
18 12:51 SW 24 G 37 16.09 A Few Clouds FEW031 FEW055 2.8 -4.4 2.8 -4.4 59% -2 76.17 1016.4
18 11:51 S 24 16.09 Partly Cloudy FEW025 SCT055 1.1 -4.4 67% -4 76.2 1016.7
18 10:51 S 22 G 39 16.09 Overcast FEW032 OVC060 -1.1 -6.1 69% -7 76.25 1017.3
18 09:51 S 19 G 35 16.09 Overcast BKN033 OVC060 -2.8 -6.7 75% -8 76.25 1017.4
18 08:51 S 24 G 37 6.44 Light Snow BKN043 OVC055 -3.3 -7.2 75% -10 76.25 1017.6
18 07:51 S 26 G 35 16.09 Light Snow FEW015 BKN041 OVC060 -3.9 -7.2 78% -11 76.25 1017.6
18 06:51 S 20 G 43 16.09 Overcast OVC014 -4.4 -7.2 -4.4 -5 81% -10 76.25 1017.6 0.03
18 05:51 S 17 11.27 Light Snow BKN015 OVC039 -4.4 -7.2 81% -10 76.28 1017.9
18 04:51 S 22 G 33 11.27 Light Snow BKN015 BKN033 OVC042 -4.4 -7.2 81% -11 76.3 1018.2
18 03:51 S 19 6.44 Light Snow Fog/Mist FEW015 BKN037 OVC060 -5 -7.2 85% -11 76.35 1018.7 0.03
18 02:51 S 15 9.66 Light Snow Fog/Mist SCT013 BKN049 OVC070 -5 -7.2 85% -10 76.4 1019.6 0.03
18 01:51 S 9 3.22 Light Snow Fog/Mist FEW016 OVC028 -5 -7.2 85% -9 76.48 1020.4
18 00:51 S 17 4.83 Light Snow OVC030 -5 -8.3 -4.4 -5.6 78% -10 76.53 1021.1
17 23:51 S 13 16.09 Overcast BKN060 OVC075 -4.4 -11.1 60% -9 76.56 1021.7
17 22:51 S 17 16.09 Overcast BKN070 OVC160 -5 -12.2 57% -10 76.61 1022.4
17 21:51 S 9 16.09 Overcast OVC095 -5 -12.8 55% -9 76.61 1022.4
17 20:51 SW 11 16.09 Overcast SCT095 BKN130 BKN200 OVC250 -5.6 -13.9 52% -10 76.61 1022.4
17 19:51 SW 19 16.09 Overcast BKN110 OVC250 -5.6 -14.4 50% -12 76.63 1022.9
17 18:51 SW 17 16.09 Overcast BKN120 OVC250 -5.6 -15.6 -4.4 -6.1 46% -11 76.63 1022.8
17 17:51 S 17 16.09 Overcast OVC250 -5.6 -15.6 46% -11 76.63 1022.8
17 16:51 SW 9 G 28 16.09 Overcast OVC250 -5.6 -16.1 44% -9 76.58 1022.1
17 15:51 SW 15 16.09 Overcast OVC250 -5.6 -17.8 38% -11 76.61 1022.4
17 14:51 W 22 G 35 16.09 Mostly Cloudy FEW040 BKN250 -5.6 -17.8 38% -12 76.66 1023.0
17 13:51 W 19 16.09 Mostly Cloudy FEW050 BKN250 -5.6 -17.2 40% -12 76.66 1023.2
17 12:51 NW 17 16.09 Partly Cloudy FEW045 SCT250 -5.6 -16.1 -5.6 -10 44% -11 76.66 1023.1
17 11:51 W 17 16.09 A Few Clouds FEW040 -6.7 -16.7 45% -13 76.63 1022.7
17 10:51 Vrbl 7 16.09 A Few Clouds FEW034 -7.8 -16.7 49% -11 76.61 1022.4
17 09:51 Vrbl 9 16.09 A Few Clouds FEW030 -8.3 -16.1 54% -12 76.56 1021.9
17 08:51 NW 17 16.09 A Few Clouds FEW030 -9.4 -15.6 61% -16 76.5 1021.1
17 07:51 NW 17 16.09 A Few Clouds FEW030 -10 -15.6 64% -17 76.45 1020.5
17 06:51 NW 15 16.09 A Few Clouds FEW030 -10 -16.7 -7.8 -10 58% -16 76.38 1019.3
17 05:51 NW 17 G 31 16.09 A Few Clouds FEW065 -9.4 -17.2 53% -16 76.33 1018.7
17 04:51 NW 20 G 33 16.09 Mostly Cloudy BKN070 -8.9 -17.8 49% -16 76.25 1017.7
17 03:51 NW 24 G 37 16.09 Mostly Cloudy BKN065 -8.3 -18.3 45% -16 76.23 1017.2
17 02:51 NW 19 16.09 Mostly Cloudy BKN060 -8.3 -18.3 45% -15 76.17 1016.5
17 01:51 NW 24 G 35 16.09 Partly Cloudy SCT055 SCT080 -8.3 -18.3 45% -16 76.1 1015.7
17 00:51 NW 26 G 39 16.09 Mostly Cloudy BKN045 -7.8 -17.2 -3.9 -7.8 47% -16 76.07 1015.4
16 23:51 NW 28 G 39 16.09 Mostly Cloudy BKN037 -7.2 -15.6 52% -15 76.05 1014.8
16 22:51 NW 28 G 39 16.09 Mostly Cloudy BKN039 -6.1 -13.3 57% -14 76 1014.0
16 21:51 W 26 G 39 16.09 Mostly Cloudy BKN042 -6.1 -12.8 59% -13 75.95 1013.3
16 20:51 W 20 G 43 16.09 Mostly Cloudy FEW034 BKN042 -5.6 -12.2 60% -12 75.9 1012.8
16 19:51 W 26 G 52 16.09 Overcast SCT033 OVC042 -5 -12.2 57% -12 75.79 1011.5
16 18:51 W 33 G 56 16.09 Overcast and Breezy SCT029 BKN036 OVC045 -3.9 -10.6 -2.2 -3.9 60% -11 75.72 1010.3
16 17:51 NW 35 G 57 14.48 Light Snow and Breezy FEW028 BKN037 BKN045 -2.8 -10 58% -10 75.62 1008.9
16 16:51 NW 35 G 56 14.48 Light Snow and Breezy SCT027 BKN034 BKN043 -2.2 -9.4 58% -9 75.57 1008.1
16 15:51 NW 30 G 57 11.27 Light Snow SCT028 BKN036 OVC044 -2.8 -8.3 66% -10 75.49 1007.1
16 14:51 NW 44 G 61 12.87 Light Snow and Windy SCT027 BKN035 OVC044 -2.8 -9.4 61% -11 75.39 1005.8
16 13:51 NW 43 G 63 11.27 Light Snow and Windy FEW029 BKN035 OVC048 -3.3 -10.6 57% -12 75.31 1004.9
16 12:51 NW 39 G 63 11.27 Light Snow and Breezy BKN030 BKN041 OVC055 -3.3 -10 -3.3 -5 60% -11 75.26 1004.2
16 11:51 NW 31 G 52 9.66 Light Snow BKN029 BKN042 OVC050 -3.3 -9.4 63% -10 75.18 1003.3
16 10:51 NW 31 G 54 6.44 Light Snow FEW019 BKN026 OVC043 -3.9 -8.9 69% -11 75.16 1002.7
16 09:51 W 26 G 44 4.02 Light Snow BKN023 BKN033 OVC047 -3.9 -8.3 72% -11 75.08 1001.8
16 08:51 NW 30 G 50 4.83 Light Snow BKN024 BKN031 OVC055 -4.4 -8.3 75% -12 75.01 1000.8
16 07:51 NW 26 G 54 6.44 Light Snow BKN023 BKN046 OVC060 -5 -8.3 78% -12 74.88 999.2
16 06:51 NW 28 G 41 1.61 Light Snow Blowing Snow SCT011 BKN015 OVC024 -4.4 -6.1 -0.6 -4.4 88% -11 74.75 997.1 0.18
16 05:51 NW 28 G 41 2.01 Light Snow Fog/Mist SCT018 OVC023 -3.9 -6.1 85% -11 74.6 995.2
16 04:51 NW 30 G 43 3.22 Light Snow Fog/Mist FEW012 OVC022 -3.3 -5 88% -10 74.5 993.7 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)