Climatological Report (Monthly)
Issued by NWS Boston, MA
Issued by NWS Boston, MA
586
CXUS51 KBOX 010527
CLMBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
127 AM EDT TUE SEP 01 2026
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...THE BOSTON MA CLIMATE SUMMARY FOR THE MONTH OF AUGUST 2026...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1872 TO 2026
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE
NORMAL
..............................................................
TEMPERATURE (F)
RECORD
HIGH 102 08/02/1975
LOW 46 08/25/1940
HIGHEST 94 08/07 92
LOWEST 62 08/16 56
AVG. MAXIMUM 82.5 80.4 2.1
AVG. MINIMUM 68.0 65.1 2.9
MEAN 75.2 72.7 2.5
DAYS MAX >= 90 3 3.8 -0.8
DAYS MAX <= 32 0 0.0 0.0
DAYS MIN <= 32 0 0.0 0.0
DAYS MIN <= 0 0 0.0 0.0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 17.09 1955
MINIMUM 0.39 1883
TOTALS 0.98 3.23 -2.25
DAILY AVG. 0.03 0.10 -0.07
DAYS >= .01 5 9.0 -4.0
DAYS >= .10 2 5.4 -3.4
DAYS >= .50 0 2.2 -2.2
DAYS >= 1.00 0 0.8 -0.8
GREATEST
24 HR. TOTAL 0.47 08/03 TO 08/03
SNOWFALL (INCHES)
RECORDS
TOTAL T 2020
TOTALS 0.0 0.0 0.0
LIQUID EQUIV 0.00
SINCE 7/1 0.0 0.0 0.0
DAYS >= TRACE 0 0.0 0.0
DAYS >= 1.0 0 0.0 0.0
GREATEST
24 HR TOTAL MM
DEGREE DAYS
HEATING TOTAL 0 5 -5
SINCE 7/1 0 4 -4
COOLING TOTAL 324 245 79
SINCE 1/1 917 700 217
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WIND (MPH)
AVERAGE WIND SPEED 9.2
RESULTANT WIND SPEED/DIRECTION 3/230
HIGHEST WIND SPEED/DIRECTION 24/190 DATE 08/03
24/230 08/24
HIGHEST GUST SPEED/DIRECTION 36/280 DATE 08/03
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.55
NUMBER OF DAYS FAIR 9
NUMBER OF DAYS PC 15
NUMBER OF DAYS CLOUDY 7
AVERAGE RH (PERCENT) 67
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 2 RAIN 2
LIGHT RAIN 10 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 7 FOG W/VIS <= 1/4 MILE 1
HAZE 0
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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