689
CDUS41 KPHI 240630
CLIABE
CLIMATE REPORT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
230 AM EDT THU SEP 24 2026
...............................
..THE ALLENTOWN PA CLIMATE SUMMARY FOR SEPTEMBER 23 2026
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1922 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 67 3:42 PM 93 1970 75 -8 83
MINIMUM 50 11:53 PM 35 1947 53 -3 61
AVERAGE 59 64 -5 72
PRECIPITATION (IN)
YESTERDAY 0.00 1.94 1975 0.16 -0.16 0.23
MONTH TO DATE 3.20 3.59 -0.39 2.31
SINCE SEP 1 3.20 3.59 -0.39 2.31
SINCE JAN 1 28.72 34.87 -6.15 30.61
SNOWFALL (IN)
YESTERDAY 0.0 0.0 MM 0.0 0.0 0.0
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 6 4 2 0
MONTH TO DATE 18 37 -19 14
SINCE SEP 1 18 37 -19 14
SINCE JUL 1 18 37 -19 26
COOLING
YESTERDAY 0 2 -2 7
MONTH TO DATE 110 96 14 64
SINCE SEP 1 110 96 14 64
SINCE JAN 1 980 956 24 883
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION E (70)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION NE (60)
AVERAGE WIND SPEED 12.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 80 11:00 PM
LOWEST 48 4:00 PM
AVERAGE 64
......................................................
THE ALLENTOWN PA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 74 92 1970
2017
MINIMUM TEMPERATURE (F) 52 31 1963
SUNRISE AND SUNSET
SEPTEMBER 24 2026.....SUNRISE 6:51 AM EDT SUNSET 6:55 PM EDT
SEPTEMBER 25 2026.....SUNRISE 6:52 AM EDT SUNSET 6:54 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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