S
M
T
W
T
F
S
26
63°
38°
27
71°
33°
28
70°
36°
29
67°
42°
30
56°
40°
1
63°
43°
2
57°
43°
3
57°
36°
4
64°
49°
5
68°
49°
6
66°
51°
7
60°
43°
8
58°
39°
9
60°
44°
10
62°
42°
11
62°
43°
12
64°
44°
13
63°
43°
14
63°
42°
15
64°
48°
16
64°
45°
17
65°
42°
18
64°
50°
19
66°
50°
20
66°
49°
21
68°
50°
22
72°
47°
23
63°
47°
24
65°
50°
25
66°
47°
26
67°
48°
27
66°
47°
28
65°
52°
29
68°
53°
30
71°
52°
31
68°
49°
1
67°
46°
2
66°
46°
3
67°
47°
4
67°
47°
5
66°
48°
6
67°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Putnam
Putnam's May 2026 forecast shows daily high temperatures ranging from 56° to 72°, with overnight lows between 36° and 53°. The average high for May is 65° with an average low of 46°. 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 Putnam. See also: June | July | August.