730
CDUS41 KPBZ 180632
CLIPIT
CLIMATE REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PA
132 AM EST THU DEC 18 2025
...............................
..THE PITTSBURGH PA CLIMATE SUMMARY FOR DECEMBER 17 2025
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1871 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 48 344 PM 64 1924 40 8 57
1984
MINIMUM 30 1106 PM -6 1989 26 4 36
AVERAGE 39 33 6 47
PRECIPITATION (IN)
YESTERDAY 0.00 2.35 1890 0.09 -0.09 0.04
MONTH TO DATE 1.00 1.57 -0.57 1.46
SINCE DEC 1 1.00 1.57 -0.57 1.46
SINCE JAN 1 33.90 38.34 -4.44 42.54
SNOWFALL (IN)
YESTERDAY 0.0 22.0 1890 0.3 -0.3 0.0
MONTH TO DATE 10.0 3.6 6.4 3.5
SINCE DEC 1 10.0 3.6 6.4 3.5
SINCE JUL 1 10.5 6.4 4.1 4.3
SNOW DEPTH 2
DEGREE DAYS
HEATING
YESTERDAY 26 32 -6 18
MONTH TO DATE 658 506 152 496
SINCE DEC 1 658 506 152 496
SINCE JUL 1 1743 1644 99 1296
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 1061 797 264 1224
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 9.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 82 1100 PM
LOWEST 36 700 AM
AVERAGE 59
......................................................
THE PITTSBURGH PA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 40 63 1924
1967
MINIMUM TEMPERATURE (F) 26 -7 1989
SUNRISE AND SUNSET
DECEMBER 18 2025......SUNRISE 739 AM EST SUNSET 456 PM EST
DECEMBER 19 2025......SUNRISE 740 AM EST SUNSET 457 PM EST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page