S
M
T
W
T
F
S
1
58°
27°
2
73°
45°
3
72°
52°
4
78°
46°
5
75°
49°
6
68°
61°
7
61°
47°
8
56°
44°
9
67°
43°
10
56°
42°
11
56°
41°
12
52°
37°
13
45°
34°
14
47°
35°
15
50°
36°
16
52°
33°
17
55°
36°
18
59°
37°
19
61°
35°
20
59°
41°
21
57°
42°
22
58°
40°
23
55°
41°
24
53°
38°
25
51°
28°
26
44°
33°
27
48°
29°
28
40°
25°
29
37°
30°
30
43°
33°
1
46°
32°
2
46°
28°
3
37°
30°
4
42°
32°
5
47°
27°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
November Weather in Portsmouth
Portsmouth's November 2026 forecast shows daily high temperatures ranging from 37° to 61°, with overnight lows between 25° and 42°. The average high for November is 49° with an average low of 34°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how November weather will actually feel in Portsmouth. See also: December | January | February.
