135
CDUS41 KCTP 182215
CLIIPT
CLIMATE REPORT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
615 PM EDT THU SEP 18 2025
...............................
..THE WILLIAMSPORT PA CLIMATE SUMMARY FOR SEPTEMBER 18 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 89R 351 PM 88 1964 75 14 78
MINIMUM 54 619 AM 34 1925 53 1 60
AVERAGE 72 64 8 69
PRECIPITATION (IN)
TODAY 0.00 2.14 2012 0.17 -0.17 0.00
MONTH TO DATE 0.09 2.84 -2.75 0.19
SINCE SEP 1 0.09 2.84 -2.75 0.19
SINCE JAN 1 26.65 31.38 -4.73 36.06
DEGREE DAYS
HEATING
TODAY 0 3 -3 0
MONTH TO DATE 19 31 -12 21
SINCE SEP 1 19 31 -12 21
SINCE JUL 1 37 39 -2 30
COOLING
TODAY 7 2 5 4
MONTH TO DATE 49 63 -14 42
SINCE SEP 1 49 63 -14 42
SINCE JAN 1 844 772 72 978
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SW (240)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION SW (240)
AVERAGE WIND SPEED 4.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 200 AM
LOWEST 24 400 PM
AVERAGE 59
......................................................
THE WILLIAMSPORT PA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 74 89 1946
MINIMUM TEMPERATURE (F) 53 34 1943
SUNRISE AND SUNSET
SEPTEMBER 18 2025.....SUNRISE 651 AM EDT SUNSET 711 PM EDT
SEPTEMBER 19 2025.....SUNRISE 652 AM EDT SUNSET 709 PM EDT
- 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