S
M
T
W
T
F
S
26
64°
46°
27
59°
45°
28
54°
46°
29
61°
44°
30
67°
46°
1
69°
50°
2
75°
50°
3
75°
56°
4
79°
55°
5
68°
53°
6
59°
49°
7
60°
50°
8
59°
50°
9
64°
48°
10
66°
50°
11
63°
48°
12
72°
50°
13
64°
49°
14
60°
45°
15
51°
42°
16
52°
42°
17
62°
42°
18
62°
48°
19
62°
51°
20
65°
47°
21
69°
47°
22
72°
51°
23
58°
42°
24
57°
47°
25
50°
40°
26
53°
40°
27
58°
42°
28
59°
42°
29
60°
38°
30
57°
39°
31
58°
40°
1
62°
42°
2
66°
42°
3
66°
44°
4
67°
42°
5
62°
42°
6
58°
38°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Lyman-Hamilton
Lyman-Hamilton's May 2026 forecast shows daily high temperatures ranging from 50° to 67°, with overnight lows between 38° and 47°. The average high for May is 59° with an average low of 41°. 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 Lyman-Hamilton. See also: June | July | August.