Climatological Report (Daily)
Issued by NWS Portland, ME
Issued by NWS Portland, ME
Versions:
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
709
CDUS41 KGYX 040804
CLIPWM
CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAY ME
404 AM EDT THU SEP 04 2025
...................................
...THE PORTLAND ME CLIMATE SUMMARY FOR SEPTEMBER 3 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 73 11:43 AM 93 1973 76 -3 72
MINIMUM 51 5:16 AM 39 1958 56 -5 46
AVERAGE 62 66 -4 59
PRECIPITATION (IN)
YESTERDAY 0.00 2.90 1972 0.11 -0.11 0.00
MONTH TO DATE 0.00 0.35 -0.35 T
SINCE SEP 1 0.00 0.35 -0.35 T
SINCE JAN 1 25.99 30.70 -4.71 35.76
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 3 2 1 6
MONTH TO DATE 3 6 -3 7
SINCE SEP 1 3 6 -3 7
SINCE JUL 1 34 32 2 25
COOLING
YESTERDAY 0 3 -3 0
MONTH TO DATE 4 9 -5 9
SINCE SEP 1 4 9 -5 9
SINCE JAN 1 410 410 0 505
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION S (170)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION S (180)
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION S (180)
AVERAGE WIND SPEED 5.6
SKY COVER
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 6:00 AM
LOWEST 59 11:00 AM
AVERAGE 80
..........................................................
THE PORTLAND ME CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 75 88 2008
MINIMUM TEMPERATURE (F) 56 39 1987
SUNRISE AND SUNSET
SEPTEMBER 4 2025.....SUNRISE 6:09 AM EDT SUNSET 7:11 PM EDT
SEPTEMBER 5 2025.....SUNRISE 6:10 AM EDT SUNSET 7:09 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$