S
M
T
W
T
F
S
26
67°
23°
27
72°
28°
28
58°
44°
29
53°
33°
30
48°
24°
1
47°
21°
2
46°
26°
3
56°
27°
4
N/A
5
58°
32°
6
53°
31°
7
52°
32°
8
50°
29°
9
54°
35°
10
56°
34°
11
56°
32°
12
54°
35°
13
58°
38°
14
58°
39°
15
57°
40°
16
59°
39°
17
61°
40°
18
66°
44°
19
63°
42°
20
64°
44°
21
67°
44°
22
61°
37°
23
57°
37°
24
58°
38°
25
58°
37°
26
60°
38°
27
60°
38°
28
61°
39°
29
60°
38°
30
63°
42°
31
62°
45°
1
64°
43°
2
65°
42°
3
68°
48°
4
66°
46°
5
68°
49°
6
73°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
May Weather in Gilmour
Gilmour's May 2026 forecast shows daily high temperatures ranging from 50° to 73°, with overnight lows between 29° and 50°. The average high for May is 60° with an average low of 39°. 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 Gilmour. See also: June | July | August.