783
CDUS41 KPHI 182127
CLIABE
CLIMATE REPORT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
527 PM EDT MON MAY 18 2026
...............................
..THE ALLENTOWN PA CLIMATE SUMMARY FOR MAY 18 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 94 1:53 PM 96 1962 74 20 71
MINIMUM 61 5:15 AM 32 2023 51 10 57
AVERAGE 78 63 15 64
PRECIPITATION (IN)
TODAY 0.00 1.32 2002 0.11 -0.11 0.00
MONTH TO DATE 0.76 2.05 -1.29 7.38
SINCE MAR 1 9.49 9.35 0.14 13.11
SINCE JAN 1 13.23 15.42 -2.19 16.44
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 0 4 -4 1
MONTH TO DATE 142 108 34 42
SINCE MAR 1 1139 1265 -126 1038
SINCE JUL 1 5542 5224 318 5080
COOLING
TODAY 13 2 11 0
MONTH TO DATE 23 24 -1 22
SINCE MAR 1 53 32 21 23
SINCE JAN 1 53 32 21 23
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION SW (240)
AVERAGE WIND SPEED 5.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 6:00 AM
LOWEST 35 4:00 PM
AVERAGE 64
......................................................
THE ALLENTOWN PA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 74 97 1962
MINIMUM TEMPERATURE (F) 52 32 2009
SUNRISE AND SUNSET
MAY 18 2026...........SUNRISE 5:42 AM EDT SUNSET 8:15 PM EDT
MAY 19 2026...........SUNRISE 5:41 AM EDT SUNSET 8:16 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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