770
CDUS41 KPHI 090543
CLIABE
CLIMATE REPORT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
143 AM EDT SAT MAY 09 2026
...............................
..THE ALLENTOWN PA CLIMATE SUMMARY FOR MAY 8 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 63 12:41 PM 93 1936 72 -9 78
MINIMUM 40 5:42 AM 30 1997 48 -8 51
AVERAGE 52 60 -8 65
PRECIPITATION (IN)
YESTERDAY T 1.98 1992 0.11 -0.11 0.28
MONTH TO DATE 0.48 0.91 -0.43 2.95
SINCE MAR 1 9.21 8.21 1.00 8.68
SINCE JAN 1 12.95 14.28 -1.33 12.01
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 MAR 1 T 6.8 -6.8 0.0
SINCE JUL 1 35.5 33.1 2.4 17.8
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 13 6 7 0
MONTH TO DATE 77 57 20 11
SINCE MAR 1 1074 1214 -140 1007
SINCE JUL 1 5477 5173 304 5049
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 2 8 -6 10
SINCE MAR 1 32 16 16 11
SINCE JAN 1 32 16 16 11
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION W (260)
AVERAGE WIND SPEED 5.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 5:00 AM
LOWEST 39 1:00 PM
AVERAGE 66
......................................................
THE ALLENTOWN PA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 72 92 1936
MINIMUM TEMPERATURE (F) 48 31 1947
1956
SUNRISE AND SUNSET
MAY 9 2026...........SUNRISE 5:51 AM EDT SUNSET 8:06 PM EDT
MAY 10 2026...........SUNRISE 5:50 AM EDT SUNSET 8:07 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