S
M
T
W
T
F
S
26
61°
51°
27
72°
42°
28
65°
46°
29
68°
57°
30
75°
49°
1
71°
38°
2
64°
49°
3
66°
37°
4
80°
45°
5
85°
56°
6
74°
62°
7
69°
46°
8
74°
40°
9
80°
44°
10
87°
49°
11
65°
41°
12
75°
37°
13
80°
48°
14
67°
44°
15
77°
40°
16
89°
48°
17
94°
60°
18
97°
66°
19
98°
69°
20
99°
67°
21
71°
56°
22
64°
53°
23
67°
59°
24
78°
61°
25
79°
62°
26
81°
65°
27
83°
63°
28
82°
62°
29
78°
59°
30
79°
61°
31
84°
62°
1
86°
58°
2
82°
62°
3
79°
63°
4
82°
62°
5
79°
59°
6
82°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Dillwyn
Dillwyn's May 2026 forecast shows daily high temperatures ranging from 64° to 99°, with overnight lows between 53° and 69°. The average high for May is 81° with an average low of 61°. 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 Dillwyn. See also: June | July | August.