503
CDUS41 KCTP 180617
CLIIPT
CLIMATE REPORT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
217 AM EDT TUE AUG 18 2026
...............................
..THE WILLIAMSPORT PA CLIMATE SUMMARY FOR AUGUST 17 2026
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1895 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 87 121 PM 97 1995 83 4 89
MINIMUM 68 535 AM 45 1979 61 7 66
AVERAGE 78 72 6 78
PRECIPITATION (IN)
YESTERDAY 0.04 2.45 2023 0.12 -0.08 0.19
MONTH TO DATE 6.43 2.42 4.01 0.36
SINCE JUN 1 11.20 10.91 0.29 8.86
SINCE JAN 1 25.58 26.79 -1.21 25.52
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 14 30 -16 17
SINCE JUL 1 0 2 -2 0
COOLING
YESTERDAY 13 7 6 13
MONTH TO DATE 167 135 32 143
SINCE JUN 1 667 568 99 726
SINCE JAN 1 747 622 125 757
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION N (10)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION N (20)
AVERAGE WIND SPEED 3.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 300 AM
LOWEST 70 400 PM
AVERAGE 85
......................................................
THE WILLIAMSPORT PA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 83 96 1995
MINIMUM TEMPERATURE (F) 61 43 1941
SUNRISE AND SUNSET
AUGUST 18 2026........SUNRISE 620 AM EDT SUNSET 802 PM EDT
AUGUST 19 2026........SUNRISE 621 AM EDT SUNSET 801 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