S
M
T
W
T
F
S
1
56°
33°
2
64°
46°
3
69°
54°
4
70°
56°
5
68°
60°
6
64°
61°
7
62°
46°
8
59°
46°
9
54°
47°
10
58°
45°
11
61°
44°
12
57°
43°
13
48°
38°
14
46°
39°
15
49°
39°
16
49°
34°
17
53°
38°
18
58°
38°
19
60°
40°
20
59°
43°
21
60°
45°
22
57°
45°
23
57°
43°
24
55°
39°
25
50°
35°
26
47°
38°
27
53°
35°
28
45°
30°
29
42°
34°
30
47°
39°
1
50°
37°
2
50°
34°
3
42°
37°
4
48°
39°
5
52°
31°
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 42° to 60°, with overnight lows between 30° and 45°. The average high for November is 51° with an average low of 38°. 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.
