072
CDUS41 KPHI 182128
CLIABE
CLIMATE REPORT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
528 PM EDT THU SEP 18 2025
...............................
..THE ALLENTOWN PA CLIMATE SUMMARY FOR SEPTEMBER 18 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 86 3:13 PM 90 1965 77 9 73
MINIMUM 59 6:02 AM 36 1990 55 4 60
AVERAGE 73 66 7 67
PRECIPITATION (IN)
TODAY 0.00 4.59 2004 0.18 -0.18 T
MONTH TO DATE 2.08 2.75 -0.67 0.44
SINCE SEP 1 2.08 2.75 -0.67 0.44
SINCE JAN 1 30.38 34.03 -3.65 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 2 -2 0
MONTH TO DATE 9 21 -12 27
SINCE SEP 1 9 21 -12 27
SINCE JUL 1 21 25 -4 36
COOLING
TODAY 8 3 5 2
MONTH TO DATE 53 84 -31 28
SINCE SEP 1 53 84 -31 28
SINCE JAN 1 872 944 -72 964
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION N (340)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION N (350)
AVERAGE WIND SPEED 3.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 2:00 AM
LOWEST 29 4:00 PM
AVERAGE 65
......................................................
THE ALLENTOWN PA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 76 93 1983
MINIMUM TEMPERATURE (F) 54 37 1943
SUNRISE AND SUNSET
SEPTEMBER 18 2025.....SUNRISE 6:46 AM EDT SUNSET 7:05 PM EDT
SEPTEMBER 19 2025.....SUNRISE 6:47 AM EDT SUNSET 7:03 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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