871
CDUS41 KCTP 202222
CLIIPT
CLIMATE REPORT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
522 PM EST SAT DEC 20 2025
...............................
..THE WILLIAMSPORT PA CLIMATE SUMMARY FOR DECEMBER 20 2025
VALID TODAY AS OF 0500 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1895 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 34 223 PM 62 1957 38 -4 33
MINIMUM 23 654 AM -6 1951 25 -2 31
AVERAGE 29 32 -3 32
PRECIPITATION (IN)
TODAY 0.00 2.40 1957 0.10 -0.10 0.15
MONTH TO DATE 1.60 2.22 -0.62 2.63
SINCE DEC 1 1.60 2.22 -0.62 2.63
SINCE JAN 1 35.04 42.47 -7.43 43.21
SNOWFALL (IN)
TODAY 0.0 5.3 1946 0.2 -0.2 1.7
MONTH TO DATE 3.4 4.1 -0.7 6.6
SINCE DEC 1 3.4 4.1 -0.7 6.6
SINCE JUL 1 3.4 5.9 -2.5 6.6
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 36 33 3 33
MONTH TO DATE 757 619 138 647
SINCE DEC 1 757 619 138 647
SINCE JUL 1 1834 1792 42 1583
COOLING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 888 798 90 1010
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 9.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 71 700 AM
LOWEST 49 200 PM
AVERAGE 60
......................................................
THE WILLIAMSPORT PA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 38 64 2018
MINIMUM TEMPERATURE (F) 25 -3 1942
1980
SUNRISE AND SUNSET
DECEMBER 20 2025......SUNRISE 729 AM EST SUNSET 441 PM EST
DECEMBER 21 2025......SUNRISE 730 AM EST SUNSET 442 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