S
M
T
W
T
F
S
26
89°
73°
27
88°
75°
28
90°
75°
29
85°
69°
30
70°
63°
1
63°
51°
2
74°
52°
3
79°
48°
4
80°
65°
5
84°
74°
6
86°
66°
7
72°
60°
8
77°
61°
9
82°
63°
10
81°
65°
11
83°
61°
12
85°
64°
13
87°
67°
14
86°
64°
15
85°
65°
16
85°
66°
17
84°
64°
18
78°
65°
19
80°
65°
20
81°
66°
21
83°
63°
22
82°
60°
23
80°
60°
24
81°
63°
25
81°
62°
26
82°
61°
27
81°
61°
28
82°
62°
29
83°
67°
30
83°
67°
31
82°
68°
1
83°
68°
2
84°
67°
3
85°
69°
4
86°
69°
5
83°
68°
6
82°
69°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Merryville
Merryville's May 2026 forecast shows daily high temperatures ranging from 72° to 87°, with overnight lows between 60° and 74°. The average high for May is 82° with an average low of 65°. 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 Merryville. See also: June | July | August.