S
M
T
W
T
F
S
26
66°
37°
27
74°
33°
28
71°
40°
29
69°
48°
30
53°
44°
1
58°
42°
2
53°
32°
3
53°
34°
4
70°
37°
5
81°
54°
6
62°
44°
7
56°
33°
8
54°
30°
9
54°
30°
10
64°
43°
11
57°
32°
12
60°
30°
13
58°
40°
14
56°
48°
15
61°
46°
16
77°
41°
17
83°
55°
18
89°
52°
19
86°
63°
20
76°
53°
21
60°
41°
22
66°
35°
23
59°
45°
24
53°
50°
25
68°
50°
26
77°
56°
27
79°
51°
28
72°
49°
29
66°
48°
30
64°
48°
31
66°
49°
1
70°
53°
2
70°
51°
3
70°
55°
4
70°
53°
5
72°
51°
6
68°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Johnsonville
Johnsonville's May 2026 forecast shows daily high temperatures ranging from 53° to 79°, with overnight lows between 45° and 56°. The average high for May is 68° 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 Johnsonville. See also: June | July | August.
