S
M
T
W
T
F
S
26
62°
36°
27
70°
41°
28
56°
48°
29
68°
44°
30
N/A
1
69°
44°
2
62°
49°
3
63°
44°
4
63°
44°
5
61°
42°
6
60°
41°
7
57°
42°
8
59°
45°
9
59°
45°
10
63°
47°
11
63°
49°
12
65°
48°
13
58°
45°
14
59°
46°
15
62°
49°
16
61°
49°
17
60°
48°
18
63°
49°
19
60°
49°
20
60°
48°
21
61°
48°
22
61°
47°
23
62°
46°
24
61°
48°
25
61°
45°
26
62°
48°
27
64°
51°
28
62°
52°
29
64°
52°
30
65°
48°
31
61°
46°
1
61°
46°
2
62°
47°
3
61°
47°
4
61°
48°
5
62°
47°
6
62°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Topsham
Topsham's May 2026 forecast shows daily high temperatures ranging from 57° to 69°, with overnight lows between 41° and 52°. The average high for May is 62° with an average low of 47°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Topsham. See also: June | July | August.
