S
M
T
W
T
F
S
26
70°
43°
27
70°
45°
28
59°
46°
29
66°
43°
30
73°
45°
1
73°
48°
2
66°
46°
3
64°
50°
4
59°
50°
5
61°
46°
6
59°
43°
7
61°
39°
8
64°
48°
9
68°
45°
10
57°
43°
11
57°
32°
12
61°
34°
13
57°
43°
14
55°
41°
15
57°
40°
16
56°
39°
17
59°
43°
18
57°
46°
19
64°
51°
20
65°
52°
21
72°
52°
22
82°
53°
23
N/A
24
85°
60°
25
89°
62°
26
91°
59°
27
83°
54°
28
77°
57°
29
79°
58°
30
78°
58°
31
75°
55°
1
73°
56°
2
67°
51°
3
65°
50°
4
66°
51°
5
63°
49°
6
63°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
May Weather in Corsham
Corsham's May 2026 forecast shows daily high temperatures ranging from 63° to 91°, with overnight lows between 47° and 62°. The average high for May is 75° with an average low of 55°. 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.