CDUS41 KBOX 210555 CLIBOS CLIMATE REPORT NATIONAL WEATHER SERVICE BOSTON/NORTON MA 155 AM EDT SAT MAR 21 2026 ................................... ...THE BOSTON MA CLIMATE SUMMARY FOR MARCH 20 2026... CLIMATE NORMAL PERIOD 1991 TO 2020 CLIMATE RECORD PERIOD 1872 TO 2026 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 56 1254 PM 79 1945 46 10 51 MINIMUM 34 554 AM 10 1885 32 2 38 AVERAGE 45 39 6 45 PRECIPITATION (IN) YESTERDAY 0.12 1.58 1881 0.15 -0.03 T MONTH TO DATE 2.59 2.63 -0.04 2.62 SINCE MAR 1 2.59 2.63 -0.04 2.62 SINCE JAN 1 5.88 9.23 -3.35 7.93 SNOWFALL (IN) YESTERDAY MM 10.2 1944 0.3 MM 0.0 MONTH TO DATE 1.6 6.9 -5.3 0.0 SINCE MAR 1 1.6 6.9 -5.3 0.0 SINCE JUL 1 62.5 45.5 17.0 28.1 DEGREE DAYS HEATING YESTERDAY 20 26 -6 20 MONTH TO DATE 485 564 -79 463 SINCE MAR 1 485 564 -79 463 SINCE JUL 1 4612 4502 110 4222 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE MAR 1 0 0 0 0 SINCE JAN 1 0 0 0 0 ................................................................... WIND (MPH) RESULTANT WIND SPEED 11 RESULTANT WIND DIRECTION S (200) HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION S (200) HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION S (200) AVERAGE WIND SPEED 13.1 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.7 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. LIGHT RAIN RELATIVE HUMIDITY (PERCENT) HIGHEST 90 900 PM LOWEST 43 100 PM AVERAGE 67 .......................................................... THE BOSTON MA CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 47 83 1921 MINIMUM TEMPERATURE (F) 32 7 1885 SUNRISE ANDSUNSET MARCH 21 2026.........SUNRISE 646 AM EDT SUNSET 658 PM EDT MARCH 22 2026.........SUNRISE 644 AM EDT SUNSET 659 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$