Chicago Weather O'Hare Data Tuesday, March 20 2018 and Chicago Weather Forecast Tuesday, March 20 2018

D a t e	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.

20	23:51	N 12	10.00	Overcast	BKN018 OVC150	31	23			72%	22	NA	29.91	1013.5
20	22:51	N 10 G 23	10.00	Overcast	OVC019	31	23			72%	22	NA	29.91	1013.5
20	21:51	N 16 G 23	10.00	Overcast	SCT019 BKN150 OVC250	31	22			69%	20	NA	29.92	1013.8
20	20:51	N 16 G 24	10.00	Overcast	FEW020 BKN150 OVC250	31	21			67%	20	NA	29.92	1013.9
20	19:51	N 20 G 26	10.00	Overcast	SCT170 OVC250	31	20			64%	19	NA	29.91	1013.7
20	18:51	N 18	10.00	Overcast	SCT180 OVC250	32	19	36	32	59%	21	NA	29.90	1013.3
20	17:51	NE 20 G 25	10.00	Overcast	FEW028 FEW200 OVC250	33	19			56%	21	NA	29.89	1012.8
20	16:51	NE 20 G 28	10.00	Mostly Cloudy	FEW028 FEW200 BKN250	34	20			56%	23	NA	29.88	1012.6
20	15:51	N 22 G 30	10.00	Mostly Cloudy and Breezy	SCT025 BKN250	35	19			52%	23	NA	29.88	1012.4
20	14:51	NE 20	10.00	Mostly Cloudy	SCT025 BKN250	35	20			54%	24	NA	29.89	1012.6
20	13:51	N 23 G 29	10.00	Mostly Cloudy and Breezy	SCT029 BKN250	35	21			57%	23	NA	29.90	1013.1
20	12:51	NE 20	10.00	Mostly Cloudy	FEW026 BKN250	36	21	37	29	55%	25	NA	29.91	1013.5
20	11:51	N 18 G 25	10.00	Mostly Cloudy	FEW020 BKN250	34	20			56%	23	NA	29.92	1013.7
20	10:51	NE 17	10.00	Mostly Cloudy	FEW020 BKN250	34	19			54%	23	NA	29.92	1013.7
20	09:51	NE 16 G 24	10.00	Overcast	SCT019 OVC250	32	20			61%	21	NA	29.92	1013.6
20	08:51	NE 17	10.00	Overcast	SCT019 OVC250	31	21			67%	20	NA	29.91	1013.3
20	07:51	NE 21 G 25	10.00	Mostly Cloudy and Breezy	FEW019 BKN250	29	21			72%	16	NA	29.91	1013.5
20	06:51	NE 14	10.00	Mostly Cloudy	SCT020 BKN250	29	20	34	29	69%	18	NA	29.91	1013.5
20	05:51	NE 18	10.00	Mostly Cloudy	FEW020 BKN250	29	19			66%	17	NA	29.90	1013.2
20	04:51	NE 22 G 30	10.00	Overcast and Breezy	OVC250	30	17			58%	17	NA	29.88	1012.5
20	03:51	NE 15 G 25	10.00	Mostly Cloudy	BKN250	31	19			61%	20	NA	29.89	1012.6
20	02:51	NE 13	10.00	Mostly Cloudy	BKN250	32	20			61%	22	NA	29.90	1013.1
20	01:51	NE 14	10.00	Mostly Cloudy	BKN250	32	22			66%	22	NA	29.91	1013.2
20	00:51	NE 20 G 25	10.00	Mostly Cloudy	BKN250	34	24	36	34	67%	23	NA	29.90	1013.0

CHICAGO O'HARE CURRENT AND HISTORY (3-DAY) ... | NWS Chicago Office OBSERVED WEATHER REPORTS



FORECAST:
Chicago Weather Forecast

Chicago Weather Radar

Twitter group from National Weather Service Chicago, Local Chicago Media, and The Weather Channel.

Lows tonight mid to upper 20s under mostly cloudy skies. A period of dry weather into Fri night. Temps should remain a bit below normal thru pic.twitter.com/dKHFJn2yFz

— NWS Chicago (@NWSChicago) March 20, 2018

Happy Spring Equinox! Astronomical Spring begins at 11:15 am CDT with the vernal equinox. pic.twitter.com/GKixAiC5jk

— NWS Chicago (@NWSChicago) March 20, 2018

Unseasonably cool for the first day of Spring. #ilwx #inwx pic.twitter.com/BFpOiFgTYX

— NWS Chicago (@NWSChicago) March 20, 2018

CLIMATE DATA FROM THE NATIONAL WEATHER SERVICE CHICAGO OFFICE ...

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CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
222 AM CDT WED MAR 21 2018


...................................

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR MARCH 20 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2018


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         37   1148 AM  85    2012  48    -11       54
  MINIMUM         29    654 AM   4    1885  31     -2       37
  AVERAGE         33                        39     -6       46

PRECIPITATION (IN)
  YESTERDAY        0.00          0.96 1935   0.08  -0.08     0.13
  MONTH TO DATE    1.21                      1.54  -0.33     1.01
  SINCE MAR 1      1.21                      1.54  -0.33     1.01
  SINCE JAN 1      7.39                      5.06   2.33     5.40

SNOWFALL (IN)
  YESTERDAY        0.0           6.0  1964   0.1   -0.1      0.0
  MONTH TO DATE    2.6                       4.2   -1.6      7.8
  SINCE MAR 1      2.6                       4.2   -1.6      7.8
  SINCE JUL 1     32.9                      33.7   -0.8     26.1
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       32                        26      6       19
  MONTH TO DATE  588                       582      6      562
  SINCE MAR 1    588                       582      6      562
  SINCE JUL 1   5046                      5316   -270     4487

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE MAR 1      0                         0      0        0
  SINCE JAN 1      0                         0      0        0
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    26   HIGHEST WIND DIRECTION     N (10)
  HIGHEST GUST SPEED    32   HIGHEST GUST DIRECTION     N (20)
  AVERAGE WIND SPEED    17.1


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.9


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    75           700 AM
 LOWEST     52           200 PM
 AVERAGE    64

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THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   49        87      2012
 MINIMUM TEMPERATURE (F)   31         9      1888
                                             1885


SUNRISE AND SUNSET
MARCH 21 2018.........SUNRISE   653 AM CDT   SUNSET   705 PM CDT
MARCH 22 2018.........SUNRISE   651 AM CDT   SUNSET   706 PM CDT


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

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