S
M
T
W
T
F
S
1
64°
52°
2
66°
61°
3
66°
46°
4
48°
45°
5
48°
41°
6
46°
30°
7
57°
28°
8
64°
36°
9
72°
32°
10
64°
32°
11
61°
36°
12
43°
23°
13
41°
22°
14
42°
28°
15
47°
31°
16
52°
38°
17
55°
42°
18
55°
46°
19
58°
39°
20
52°
34°
21
50°
26°
22
38°
22°
23
37°
23°
24
38°
22°
25
43°
24°
26
40°
27°
27
43°
30°
28
44°
29°
29
48°
29°
30
47°
28°
1
40°
28°
2
47°
27°
3
42°
26°
4
39°
26°
5
44°
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 58°, with overnight lows between 22° and 46°. The average high for November is 45° with an average low of 29°. 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.
