S
M
T
W
T
F
S
26
87°
59°
27
82°
60°
28
73°
64°
29
82°
64°
30
74°
59°
1
65°
50°
2
69°
44°
3
70°
46°
4
78°
52°
5
79°
61°
6
77°
55°
7
74°
50°
8
72°
52°
9
74°
59°
10
79°
58°
11
80°
61°
12
82°
59°
13
81°
59°
14
84°
60°
15
85°
64°
16
85°
64°
17
84°
63°
18
85°
65°
19
85°
65°
20
86°
64°
21
86°
66°
22
85°
66°
23
85°
65°
24
81°
66°
25
85°
66°
26
84°
67°
27
81°
66°
28
82°
65°
29
85°
67°
30
87°
66°
31
86°
66°
1
88°
67°
2
89°
68°
3
89°
69°
4
88°
69°
5
84°
67°
6
83°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Simmsville
Simmsville's May 2026 forecast shows daily high temperatures ranging from 65° to 89°, with overnight lows between 44° and 69°. The average high for May is 82° with an average low of 62°. 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 Simmsville. See also: June | July | August.