490
CDUS41 KPHI 270555
CLIABE
CLIMATE REPORT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
155 AM EDT SAT SEP 27 2025
...............................
..THE ALLENTOWN PA CLIMATE SUMMARY FOR SEPTEMBER 26 2025
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)
YESTERDAY
MAXIMUM 81 3:44 PM 90 1970 74 7 74
2007
MINIMUM 60 11:28 PM 35 1932 51 9 63
1947
1967
AVERAGE 71 62 9 69
PRECIPITATION (IN)
YESTERDAY 0.00 2.00 1985 0.17 -0.17 0.11
MONTH TO DATE 2.66 4.12 -1.46 1.00
SINCE SEP 1 2.66 4.12 -1.46 1.00
SINCE JAN 1 30.96 35.40 -4.44 35.62
SNOWFALL (IN)
YESTERDAY 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
YESTERDAY 0 4 -4 0
MONTH TO DATE 14 49 -35 35
SINCE SEP 1 14 49 -35 35
SINCE JUL 1 26 53 -27 44
COOLING
YESTERDAY 6 2 4 4
MONTH TO DATE 82 102 -20 51
SINCE SEP 1 82 102 -20 51
SINCE JAN 1 901 962 -61 987
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 4.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 12:00 AM
LOWEST 45 3:00 PM
AVERAGE 73
......................................................
THE ALLENTOWN PA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 73 91 2017
MINIMUM TEMPERATURE (F) 51 31 1947
SUNRISE AND SUNSET
SEPTEMBER 27 2025.....SUNRISE 6:54 AM EDT SUNSET 6:50 PM EDT
SEPTEMBER 28 2025.....SUNRISE 6:55 AM EDT SUNSET 6:48 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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