S
M
T
W
T
F
S
26
61°
48°
27
62°
47°
28
71°
43°
29
73°
46°
30
73°
47°
1
75°
54°
2
81°
54°
3
70°
50°
4
64°
48°
5
64°
50°
6
77°
53°
7
86°
57°
8
87°
57°
9
84°
53°
10
76°
55°
11
76°
54°
12
82°
57°
13
83°
58°
14
77°
53°
15
71°
48°
16
72°
49°
17
72°
50°
18
73°
49°
19
73°
50°
20
74°
50°
21
80°
55°
22
81°
57°
23
81°
56°
24
80°
55°
25
81°
56°
26
80°
56°
27
81°
55°
28
79°
54°
29
79°
52°
30
75°
51°
31
75°
51°
1
76°
52°
2
78°
53°
3
80°
55°
4
82°
55°
5
80°
56°
6
80°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Claremont
Claremont's May 2026 forecast shows daily high temperatures ranging from 64° to 87°, with overnight lows between 48° and 58°. The average high for May is 77° 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 Claremont. See also: June | July | August.