743
CDUS41 KPHI 202126
CLIABE
CLIMATE REPORT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
526 PM EDT SAT SEP 20 2025
...............................
..THE ALLENTOWN PA CLIMATE SUMMARY FOR SEPTEMBER 20 2025
VALID TODAY AS OF 0500 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1922 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 77 2:40 PM 92 1983 76 1 83
MINIMUM 53 3:57 AM 36 2020 54 -1 56
AVERAGE 65 65 0 70
PRECIPITATION (IN)
TODAY 0.00 2.95 1938 0.17 -0.17 0.00
MONTH TO DATE 2.08 3.09 -1.01 0.44
SINCE SEP 1 2.08 3.09 -1.01 0.44
SINCE JAN 1 30.38 34.37 -3.99 35.06
SNOWFALL (IN)
TODAY 0.0 0.0 2001 0.0 0.0 0.0
2002
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE SEP 1 0.0 0.0 0.0 0.0
SINCE JUL 1 0.0 0.0 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 0 3 -3 0
MONTH TO DATE 9 27 -18 27
SINCE SEP 1 9 27 -18 27
SINCE JUL 1 21 31 -10 36
COOLING
TODAY 0 3 -3 5
MONTH TO DATE 57 90 -33 39
SINCE SEP 1 57 90 -33 39
SINCE JAN 1 876 950 -74 975
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NE (60)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION E (70)
AVERAGE WIND SPEED 6.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 77 3:00 AM
LOWEST 34 1:00 PM
AVERAGE 56
......................................................
THE ALLENTOWN PA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 76 91 1931
1940
MINIMUM TEMPERATURE (F) 53 33 2020
SUNRISE AND SUNSET
SEPTEMBER 20 2025.....SUNRISE 6:48 AM EDT SUNSET 7:02 PM EDT
SEPTEMBER 21 2025.....SUNRISE 6:49 AM EDT SUNSET 7:00 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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