Climatological Report (Daily)
Issued by NWS Portland, ME
Issued by NWS Portland, ME
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CDUS41 KGYX 210735
CLIPWM
CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAY ME
335 AM EDT MON SEP 21 2026
...................................
...THE PORTLAND ME CLIMATE SUMMARY FOR SEPTEMBER 20 2026...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1941 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 60 1:18 PM 87 1985 70 -10 66
MINIMUM 40 5:08 AM 27 1964 51 -11 44
AVERAGE 50 60 -10 55
PRECIPITATION (IN)
YESTERDAY 0.05 2.04 1987 0.13 -0.08 0.00
MONTH TO DATE 1.62 2.39 -0.77 0.86
SINCE SEP 1 1.62 2.39 -0.77 0.86
SINCE JAN 1 28.36 32.74 -4.38 26.85
SNOWFALL (IN)
YESTERDAY 0.0 0.0 2000 0.0 0.0 0.0
2001
2002
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE SEP 1 0.0 0.0 0.0 0.0
SINCE JUL 1 T 0.0 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 15 6 9 10
MONTH TO DATE 65 69 -4 62
SINCE SEP 1 65 69 -4 62
SINCE JUL 1 71 95 -24 93
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 24 37 -13 13
SINCE SEP 1 24 37 -13 13
SINCE JAN 1 518 438 80 419
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION SE (120)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SE (150)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION SE (140)
AVERAGE WIND SPEED 3.1
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 9:00 PM
LOWEST 62 4:00 PM
AVERAGE 80
..........................................................
THE PORTLAND ME CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 69 91 1978
MINIMUM TEMPERATURE (F) 50 30 1956
1962
1964
SUNRISE AND SUNSET
SEPTEMBER 21 2026.....SUNRISE 6:27 AM EDT SUNSET 6:40 PM EDT
SEPTEMBER 22 2026.....SUNRISE 6:28 AM EDT SUNSET 6:39 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$