912
CDUS41 KPHI 212125
CLIABE
CLIMATE REPORT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
425 PM EST WED JAN 21 2026
...............................
..THE ALLENTOWN PA CLIMATE SUMMARY FOR JANUARY 21 2026
VALID TODAY AS OF 0400 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 31 3:59 PM 63 1959 38 -7 15
MINIMUM -9 5:42 AM -15 1994 21 -30 1
AVERAGE 11 30 -19 8
PRECIPITATION (IN)
TODAY 0.00 1.42 1979 0.10 -0.10 0.00
MONTH TO DATE 1.23 2.24 -1.01 0.65
SINCE DEC 1 3.77 6.10 -2.33 4.51
SINCE JAN 1 1.23 2.24 -1.01 0.65
SNOWFALL (IN)
TODAY 0.0 7.0 2001 0.4 -0.4 0.0
MONTH TO DATE 9.0 5.9 3.1 8.6
SINCE DEC 1 16.5 10.5 6.0 13.4
SINCE JUL 1 16.7 11.6 5.1 13.4
SNOW DEPTH 6
DEGREE DAYS
HEATING
TODAY 54 35 19 57
MONTH TO DATE 748 727 21 814
SINCE DEC 1 1857 1658 199 1815
SINCE JUL 1 2869 2694 175 2684
COOLING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 0 0 0 0
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION S (170)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION S (170)
AVERAGE WIND SPEED 3.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 6:00 AM
LOWEST 39 2:00 PM
AVERAGE 63
......................................................
THE ALLENTOWN PA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 38 63 1959
MINIMUM TEMPERATURE (F) 21 -12 1961
SUNRISE AND SUNSET
JANUARY 21 2026.......SUNRISE 7:20 AM EST SUNSET 5:06 PM EST
JANUARY 22 2026.......SUNRISE 7:20 AM EST SUNSET 5:07 PM EST
- 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