S
M
T
W
T
F
S
26
66°
36°
27
75°
40°
28
75°
50°
29
73°
50°
30
56°
46°
1
58°
41°
2
52°
42°
3
53°
41°
4
72°
47°
5
78°
54°
6
55°
43°
7
59°
42°
8
57°
37°
9
61°
34°
10
68°
47°
11
59°
37°
12
58°
39°
13
53°
43°
14
54°
49°
15
66°
52°
16
78°
53°
17
80°
56°
18
90°
51°
19
90°
71°
20
81°
58°
21
61°
42°
22
68°
38°
23
68°
51°
24
57°
53°
25
69°
54°
26
82°
60°
27
78°
55°
28
68°
51°
29
65°
51°
30
68°
46°
31
69°
51°
1
70°
54°
2
72°
54°
3
75°
55°
4
76°
56°
5
75°
53°
6
74°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Colchester
Colchester's May 2026 forecast shows daily high temperatures ranging from 57° to 82°, with overnight lows between 46° and 60°. The average high for May is 71° 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 Colchester. See also: June | July | August.
