422
CDUS41 KPHI 210552
CLIABE
CLIMATE REPORT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
152 AM EDT TUE OCT 21 2025
...............................
..THE ALLENTOWN PA CLIMATE SUMMARY FOR OCTOBER 20 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 67 12:11 AM 78 1936 64 3 75
MINIMUM 44 11:59 PM 24 1972 42 2 32
AVERAGE 56 53 3 54
PRECIPITATION (IN)
YESTERDAY 0.11 1.65 1976 0.14 -0.03 0.00
MONTH TO DATE 0.78 2.87 -2.09 0.01
SINCE SEP 1 3.44 7.71 -4.27 1.31
SINCE JAN 1 31.74 38.99 -7.25 35.93
SNOWFALL (IN)
YESTERDAY 0.0 0.5 1940 0.0 0.0 0.0
MONTH TO DATE 0.0 0.1 -0.1 0.0
SINCE SEP 1 0.0 0.1 -0.1 0.0
SINCE JUL 1 0.0 0.1 -0.1 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 9 12 -3 11
MONTH TO DATE 146 179 -33 174
SINCE SEP 1 160 248 -88 213
SINCE JUL 1 172 252 -80 222
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 5 11 -6 0
SINCE SEP 1 105 119 -14 55
SINCE JAN 1 924 979 -55 991
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WIND (MPH)
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION SW (230)
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION SW (240)
AVERAGE WIND SPEED 11.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 1:00 AM
LOWEST 49 5:00 PM
AVERAGE 71
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THE ALLENTOWN PA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 64 85 1947
MINIMUM TEMPERATURE (F) 42 23 1972
SUNRISE AND SUNSET
OCTOBER 21 2025.......SUNRISE 7:20 AM EDT SUNSET 6:12 PM EDT
OCTOBER 22 2025.......SUNRISE 7:21 AM EDT SUNSET 6:11 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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