Climatological Report (Daily)
Issued by NWS Portland, ME
Issued by NWS Portland, ME
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CDUS41 KGYX 180805
CLIPWM
CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAY ME
405 AM EDT SAT OCT 18 2025
...................................
...THE PORTLAND ME CLIMATE SUMMARY FOR OCTOBER 17 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 63 3:08 PM 84 1947 59 4 58
MINIMUM 40 11:47 PM 26 1941 41 -1 29
1961
1978
AVERAGE 52 50 2 44
PRECIPITATION (IN)
YESTERDAY 0.00 2.32 1890 0.18 -0.18 0.00
MONTH TO DATE 0.36 2.85 -2.49 1.43
SINCE SEP 1 2.24 6.62 -4.38 3.36
SINCE JAN 1 28.23 36.97 -8.74 39.12
SNOWFALL (IN)
YESTERDAY 0.0 T 1929 0.0 0.0 0.0
1970
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 13 15 -2 21
MONTH TO DATE 172 212 -40 239
SINCE SEP 1 267 357 -90 339
SINCE JUL 1 298 383 -85 357
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 6 0 6 0
SINCE SEP 1 34 43 -9 21
SINCE JAN 1 440 444 -4 517
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION N (360)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION N (340)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION N (10)
AVERAGE WIND SPEED 9.2
SKY COVER
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 79 6:00 AM
LOWEST 41 1:00 PM
AVERAGE 60
..........................................................
THE PORTLAND ME CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 59 82 1947
MINIMUM TEMPERATURE (F) 40 23 1978
SUNRISE AND SUNSET
OCTOBER 18 2025.......SUNRISE 6:59 AM EDT SUNSET 5:52 PM EDT
OCTOBER 19 2025.......SUNRISE 7:01 AM EDT SUNSET 5:51 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$