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. $$