Climatological Report (Daily)
Issued by NWS Portland, ME
Issued by NWS Portland, ME
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CDUS41 KGYX 220649
CLIPWM
CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAY ME
249 AM EDT MON SEP 22 2025
...................................
...THE PORTLAND ME CLIMATE SUMMARY FOR SEPTEMBER 21 2025...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1941 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 69 1:39 PM 91 1978 69 0 64
MINIMUM 39 5:50 AM 30 1956 50 -11 53
1962
1964
AVERAGE 54 60 -6 59
PRECIPITATION (IN)
YESTERDAY 0.00 1.27 1974 0.13 -0.13 0.01
MONTH TO DATE 0.86 2.52 -1.66 0.16
SINCE SEP 1 0.86 2.52 -1.66 0.16
SINCE JAN 1 26.85 32.87 -6.02 35.92
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 0.0 0.0 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 11 6 5 6
MONTH TO DATE 73 75 -2 47
SINCE SEP 1 73 75 -2 47
SINCE JUL 1 104 101 3 65
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 13 38 -25 21
SINCE SEP 1 13 38 -25 21
SINCE JAN 1 419 439 -20 517
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION S (180)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SE (150)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION S (170)
AVERAGE WIND SPEED 4.5
SKY COVER
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 12:00 AM
LOWEST 34 2:00 PM
AVERAGE 66
..........................................................
THE PORTLAND ME CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 69 89 1965
MINIMUM TEMPERATURE (F) 50 27 1962
SUNRISE AND SUNSET
SEPTEMBER 22 2025.....SUNRISE 6:29 AM EDT SUNSET 6:38 PM EDT
SEPTEMBER 23 2025.....SUNRISE 6:30 AM EDT SUNSET 6:36 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$