S
M
T
W
T
F
S
26
63°
44°
27
61°
45°
28
61°
45°
29
57°
42°
30
57°
45°
1
60°
47°
2
63°
42°
3
64°
52°
4
70°
52°
5
70°
51°
6
66°
46°
7
67°
48°
8
72°
54°
9
72°
55°
10
74°
54°
11
72°
56°
12
73°
56°
13
75°
54°
14
65°
48°
15
66°
48°
16
69°
55°
17
76°
58°
18
76°
57°
19
75°
48°
20
65°
47°
21
66°
50°
22
67°
55°
23
69°
53°
24
76°
59°
25
79°
60°
26
79°
60°
27
74°
59°
28
70°
60°
29
73°
61°
30
76°
61°
31
75°
59°
1
79°
58°
2
76°
58°
3
73°
56°
4
74°
55°
5
76°
58°
6
78°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Hartford City
Hartford City's May 2026 forecast shows daily high temperatures ranging from 57° to 79°, with overnight lows between 42° and 61°. The average high for May is 70° with an average low of 53°. 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 Hartford City. See also: June | July | August.