S
M
T
W
T
F
S
26
82°
68°
27
82°
72°
28
86°
70°
29
79°
63°
30
63°
55°
1
55°
50°
2
70°
46°
3
75°
45°
4
77°
50°
5
81°
64°
6
77°
52°
7
68°
50°
8
72°
55°
9
81°
64°
10
82°
64°
11
72°
61°
12
79°
52°
13
82°
52°
14
84°
59°
15
84°
63°
16
82°
68°
17
82°
70°
18
82°
73°
19
82°
63°
20
72°
59°
21
73°
61°
22
82°
64°
23
77°
64°
24
82°
63°
25
86°
68°
26
85°
70°
27
78°
69°
28
83°
68°
29
82°
67°
30
90°
69°
31
87°
66°
1
85°
63°
2
82°
61°
3
82°
61°
4
84°
63°
5
87°
64°
6
88°
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 78° to 90°, with overnight lows between 61° and 70°. The average high for May is 85° with an average low of 66°. 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.
