S
M
T
W
T
F
S
26
29°
19°
27
29°
19°
28
45°
24°
29
51°
29°
30
66°
35°
1
55°
27°
2
58°
37°
3
56°
35°
4
51°
34°
5
50°
31°
6
46°
32°
7
47°
29°
8
47°
30°
9
50°
31°
10
51°
33°
11
60°
37°
12
52°
32°
13
58°
36°
14
64°
39°
15
66°
41°
16
65°
38°
17
61°
35°
18
54°
34°
19
55°
34°
20
59°
39°
21
63°
44°
22
62°
45°
23
67°
43°
24
62°
42°
25
68°
46°
26
67°
44°
27
65°
44°
28
58°
40°
29
60°
41°
30
65°
44°
31
65°
46°
1
61°
42°
2
62°
44°
3
69°
47°
4
70°
49°
5
70°
48°
6
69°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Dillon
Dillon's May 2026 forecast shows daily high temperatures ranging from 45° to 70°, with overnight lows between 24° and 49°. The average high for May is 59° 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 May weather will actually feel in Dillon. See also: June | July | August.
