568
CDUS41 KPHI 152143
CLIABE
CLIMATE REPORT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
543 PM EDT FRI MAY 15 2026
...............................
..THE ALLENTOWN PA CLIMATE SUMMARY FOR MAY 15 2026
VALID TODAY AS OF 0500 PM LOCAL TIME.
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)
TODAY
MAXIMUM 66 4:33 PM 90 2018 73 -7 74
MINIMUM 49 5:54 AM 35 1936 50 -1 59
AVERAGE 58 62 -4 67
PRECIPITATION (IN)
TODAY 0.00 1.25 1938 0.11 -0.11 0.02
MONTH TO DATE 0.76 1.71 -0.95 6.84
SINCE MAR 1 9.49 9.01 0.48 12.57
SINCE JAN 1 13.23 15.08 -1.85 15.90
SNOWFALL (IN)
TODAY 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
TODAY 7 5 2 0
MONTH TO DATE 138 95 43 41
SINCE MAR 1 1135 1252 -117 1037
SINCE JUL 1 5538 5211 327 5079
COOLING
TODAY 0 2 -2 2
MONTH TO DATE 2 18 -16 12
SINCE MAR 1 32 26 6 13
SINCE JAN 1 32 26 6 13
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION NW (330)
AVERAGE WIND SPEED 9.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 74 1:00 AM
LOWEST 48 2:00 PM
AVERAGE 61
......................................................
THE ALLENTOWN PA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 74 89 1951
1998
MINIMUM TEMPERATURE (F) 51 37 1939
2016
SUNRISE AND SUNSET
MAY 15 2026...........SUNRISE 5:45 AM EDT SUNSET 8:12 PM EDT
MAY 16 2026...........SUNRISE 5:44 AM EDT SUNSET 8:13 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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