166
CDUS41 KPHI 202135
CLIABE
CLIMATE REPORT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
535 PM EDT MON APR 20 2026
...............................
..THE ALLENTOWN PA CLIMATE SUMMARY FOR APRIL 20 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 50 1:34 PM 90 1941 65 -15 71
MINIMUM 29R 4:43 AM 29 1961 42 -13 47
AVERAGE 40 54 -14 59
PRECIPITATION (IN)
TODAY T 1.49 2019 0.12 -0.12 0.00
MONTH TO DATE 1.21 2.42 -1.21 1.82
SINCE MAR 1 6.94 6.05 0.89 5.50
SINCE JAN 1 10.68 12.12 -1.44 8.83
SNOWFALL (IN)
TODAY 0.0 T 1983 0.0 0.0 0.0
MONTH TO DATE 0.0 0.5 -0.5 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 25 12 13 6
MONTH TO DATE 229 305 -76 327
SINCE MAR 1 866 1059 -193 945
SINCE JUL 1 5269 5018 251 4987
COOLING
TODAY 0 0 0 0
MONTH TO DATE 27 0 27 1
SINCE MAR 1 30 0 30 1
SINCE JAN 1 30 0 30 1
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION NW (330)
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION W (280)
AVERAGE WIND SPEED 7.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 4:00 AM
LOWEST 32 4:00 PM
AVERAGE 66
......................................................
THE ALLENTOWN PA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 66 89 1985
MINIMUM TEMPERATURE (F) 42 28 1925
1956
2018
SUNRISE AND SUNSET
APRIL 20 2026.........SUNRISE 6:16 AM EDT SUNSET 7:46 PM EDT
APRIL 21 2026.........SUNRISE 6:14 AM EDT SUNSET 7:47 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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