S
M
T
W
T
F
S
26
60°
43°
27
62°
42°
28
58°
40°
29
61°
46°
30
60°
45°
1
62°
47°
2
62°
47°
3
61°
46°
4
61°
46°
5
60°
45°
6
62°
44°
7
61°
47°
8
63°
46°
9
63°
46°
10
64°
48°
11
64°
45°
12
63°
45°
13
64°
48°
14
63°
46°
15
64°
49°
16
63°
48°
17
64°
50°
18
62°
50°
19
63°
49°
20
63°
50°
21
64°
50°
22
62°
49°
23
60°
50°
24
60°
48°
25
61°
50°
26
62°
47°
27
62°
46°
28
65°
50°
29
63°
46°
30
63°
47°
31
64°
47°
1
63°
45°
2
66°
46°
3
67°
50°
4
67°
49°
5
69°
49°
6
70°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Corsham
Corsham's May 2026 forecast shows daily high temperatures ranging from 58° to 70°, with overnight lows between 40° and 52°. The average high for May is 63° 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 Corsham. See also: June | July | August.