909
CDUS41 KPHI 100623
CLIABE
CLIMATE REPORT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
223 AM EDT MON AUG 10 2026
...............................
..THE ALLENTOWN PA CLIMATE SUMMARY FOR AUGUST 9 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 89 2:46 PM 98 2001 85 4 85
MINIMUM 68 4:29 AM 50 1989 64 4 54
AVERAGE 79 74 5 70
PRECIPITATION (IN)
YESTERDAY 0.00 3.30 1942 0.16 -0.16 0.00
MONTH TO DATE 1.95 1.49 0.46 0.41
SINCE JUN 1 8.06 11.19 -3.13 7.60
SINCE JAN 1 22.72 28.21 -5.49 27.11
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 JUN 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 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 14 10 4 5
MONTH TO DATE 109 90 19 42
SINCE JUN 1 628 614 14 658
SINCE JAN 1 719 682 37 685
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SW (240)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION W (260)
AVERAGE WIND SPEED 4.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 4:00 AM
LOWEST 40 5:00 PM
AVERAGE 69
......................................................
THE ALLENTOWN PA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 85 99 1949
MINIMUM TEMPERATURE (F) 64 51 1964
1972
1999
SUNRISE AND SUNSET
AUGUST 10 2026........SUNRISE 6:07 AM EDT SUNSET 8:06 PM EDT
AUGUST 11 2026........SUNRISE 6:08 AM EDT SUNSET 8:05 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page