S
M
T
W
T
F
S
26
54°
44°
27
73°
41°
28
66°
50°
29
54°
45°
30
57°
43°
1
48°
39°
2
50°
38°
3
64°
34°
4
77°
50°
5
66°
47°
6
57°
45°
7
59°
37°
8
62°
44°
9
73°
50°
10
64°
46°
11
58°
39°
12
66°
40°
13
61°
46°
14
67°
46°
15
72°
43°
16
79°
51°
17
87°
60°
18
89°
65°
19
88°
66°
20
69°
51°
21
60°
47°
22
61°
52°
23
63°
55°
24
69°
57°
25
74°
59°
26
78°
63°
27
77°
63°
28
76°
54°
29
71°
56°
30
71°
57°
31
70°
56°
1
71°
59°
2
72°
60°
3
72°
61°
4
73°
62°
5
78°
69°
6
75°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Williston
Williston's May 2026 forecast shows daily high temperatures ranging from 63° to 78°, with overnight lows between 54° and 69°. The average high for May is 73° with an average low of 60°. 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 Williston. See also: June | July | August.
