S
M
T
W
T
F
S
26
64°
43°
27
64°
46°
28
62°
44°
29
60°
43°
30
60°
43°
1
64°
44°
2
62°
39°
3
63°
40°
4
64°
48°
5
68°
49°
6
63°
47°
7
63°
43°
8
68°
46°
9
64°
47°
10
69°
52°
11
74°
51°
12
72°
51°
13
66°
53°
14
75°
51°
15
68°
46°
16
67°
47°
17
69°
53°
18
76°
55°
19
77°
48°
20
73°
45°
21
66°
45°
22
68°
50°
23
68°
47°
24
73°
54°
25
78°
56°
26
79°
57°
27
76°
56°
28
70°
57°
29
71°
57°
30
71°
56°
31
72°
59°
1
81°
58°
2
80°
56°
3
81°
59°
4
80°
58°
5
77°
57°
6
82°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Dillsburg
Dillsburg's May 2026 forecast shows daily high temperatures ranging from 60° to 82°, with overnight lows between 39° and 59°. The average high for May is 70° with an average low of 50°. 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 Dillsburg. See also: June | July | August.