166
CDUS41 KPHI 170555
CLIABE
CLIMATE REPORT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
155 AM EDT MON AUG 17 2026
...............................
..THE ALLENTOWN PA CLIMATE SUMMARY FOR AUGUST 16 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 72 11:49 AM 95 1935 85 -13 89
1944
MINIMUM 63 4:13 AM 49 1945 63 0 73
AVERAGE 68 74 -6 81
PRECIPITATION (IN)
YESTERDAY 0.57 1.62 1966 0.15 0.42 T
MONTH TO DATE 2.60 2.53 0.07 0.81
SINCE JUN 1 8.71 12.23 -3.52 8.00
SINCE JAN 1 23.37 29.25 -5.88 27.51
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 JUN 1 0.0 0.0 0.0 0.0
SINCE JUL 1 0.0 0.0 0.0 0.0
SNOW DEPTH MM
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 7 18 -11 27
SINCE JUL 1 0 0 0 0
COOLING
YESTERDAY 3 9 -6 16
MONTH TO DATE 176 153 23 132
SINCE JUN 1 695 677 18 748
SINCE JAN 1 786 745 41 775
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION SW (230)
AVERAGE WIND SPEED 5.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 4:00 PM
LOWEST 79 12:00 AM
AVERAGE 88
......................................................
THE ALLENTOWN PA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 84 95 1944
2002
MINIMUM TEMPERATURE (F) 63 46 1979
SUNRISE AND SUNSET
AUGUST 17 2026........SUNRISE 6:14 AM EDT SUNSET 7:57 PM EDT
AUGUST 18 2026........SUNRISE 6:15 AM EDT SUNSET 7:55 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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