S
M
T
W
T
F
S
26
58°
41°
27
58°
40°
28
56°
43°
29
57°
44°
30
59°
45°
1
59°
44°
2
59°
42°
3
62°
43°
4
59°
44°
5
63°
45°
6
60°
44°
7
60°
42°
8
63°
41°
9
61°
42°
10
62°
49°
11
62°
43°
12
61°
42°
13
63°
49°
14
69°
50°
15
64°
49°
16
65°
48°
17
66°
51°
18
68°
53°
19
73°
49°
20
72°
45°
21
63°
45°
22
65°
48°
23
68°
48°
24
70°
54°
25
74°
54°
26
75°
52°
27
67°
52°
28
67°
55°
29
68°
53°
30
69°
51°
31
68°
55°
1
75°
54°
2
75°
56°
3
75°
56°
4
76°
57°
5
77°
55°
6
76°
51°
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 56° to 77°, with overnight lows between 40° and 57°. The average high for May is 66° with an average low of 48°. 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.
