S
M
T
W
T
F
S
26
68°
48°
27
78°
43°
28
76°
59°
29
67°
51°
30
61°
41°
1
58°
38°
2
58°
34°
3
64°
31°
4
78°
45°
5
71°
58°
6
62°
43°
7
62°
37°
8
73°
38°
9
75°
54°
10
73°
50°
11
72°
43°
12
76°
41°
13
71°
42°
14
66°
42°
15
68°
56°
16
76°
61°
17
86°
61°
18
88°
67°
19
80°
63°
20
73°
54°
21
71°
52°
22
75°
50°
23
73°
53°
24
74°
54°
25
79°
59°
26
81°
55°
27
79°
60°
28
80°
61°
29
80°
60°
30
79°
58°
31
73°
55°
1
74°
53°
2
74°
52°
3
75°
53°
4
75°
54°
5
83°
62°
6
85°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Dillionvale
Dillionvale's May 2026 forecast shows daily high temperatures ranging from 66° to 88°, with overnight lows between 42° and 67°. The average high for May is 77° with an average low of 56°. 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 Dillionvale. See also: June | July | August.