S
M
T
W
T
F
S
26
65°
53°
27
66°
53°
28
74°
49°
29
75°
51°
30
75°
54°
1
78°
57°
2
76°
55°
3
67°
57°
4
67°
53°
5
65°
54°
6
75°
51°
7
79°
54°
8
78°
58°
9
81°
59°
10
83°
59°
11
88°
57°
12
71°
57°
13
75°
57°
14
74°
54°
15
71°
58°
16
72°
61°
17
65°
55°
18
80°
55°
19
84°
59°
20
87°
58°
21
83°
60°
22
83°
58°
23
79°
56°
24
78°
57°
25
76°
56°
26
76°
57°
27
76°
56°
28
78°
57°
29
80°
56°
30
81°
57°
31
82°
58°
1
85°
60°
2
85°
60°
3
84°
59°
4
85°
60°
5
85°
60°
6
84°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Charter Oak
Charter Oak's May 2026 forecast shows daily high temperatures ranging from 65° to 87°, with overnight lows between 55° and 60°. The average high for May is 81° with an average low of 58°. 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 Charter Oak. See also: June | July | August.
