S
M
T
W
T
F
S
26
79°
50°
27
83°
52°
28
79°
59°
29
68°
55°
30
63°
41°
1
63°
38°
2
60°
37°
3
65°
33°
4
80°
51°
5
75°
59°
6
64°
50°
7
64°
41°
8
72°
37°
9
76°
53°
10
77°
50°
11
73°
47°
12
77°
43°
13
80°
46°
14
68°
43°
15
81°
61°
16
84°
61°
17
90°
64°
18
93°
70°
19
88°
66°
20
80°
63°
21
78°
59°
22
78°
60°
23
75°
59°
24
76°
60°
25
81°
64°
26
80°
59°
27
81°
64°
28
79°
64°
29
79°
64°
30
78°
62°
31
76°
59°
1
77°
60°
2
77°
60°
3
78°
61°
4
79°
63°
5
85°
67°
6
86°
67°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in New Harmony
New Harmony's May 2026 forecast shows daily high temperatures ranging from 68° to 93°, with overnight lows between 43° and 70°. The average high for May is 80° with an average low of 61°. 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 New Harmony. See also: June | July | August.
