S
M
T
W
T
F
S
26
64°
51°
27
66°
50°
28
73°
46°
29
75°
49°
30
75°
48°
1
73°
53°
2
70°
54°
3
66°
54°
4
70°
49°
5
66°
54°
6
73°
54°
7
73°
55°
8
72°
53°
9
75°
50°
10
77°
55°
11
86°
49°
12
73°
54°
13
72°
53°
14
81°
50°
15
79°
49°
16
73°
53°
17
75°
49°
18
86°
57°
19
90°
57°
20
86°
57°
21
87°
54°
22
85°
52°
23
75°
57°
24
76°
55°
25
77°
56°
26
78°
55°
27
79°
57°
28
77°
57°
29
79°
58°
30
79°
57°
31
76°
55°
1
80°
58°
2
81°
59°
3
81°
58°
4
82°
60°
5
81°
59°
6
81°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Mount Hamilton
Mount Hamilton's May 2026 forecast shows daily high temperatures ranging from 75° to 90°, with overnight lows between 52° and 60°. The average high for May is 81° with an average low of 57°. 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 Mount Hamilton. See also: June | July | August.
