S
M
T
W
T
F
S
26
80°
66°
27
82°
66°
28
83°
65°
29
84°
67°
30
83°
68°
31
85°
67°
1
84°
66°
2
83°
65°
3
79°
61°
4
78°
62°
5
78°
65°
6
79°
65°
7
81°
66°
8
83°
66°
9
84°
65°
10
84°
66°
11
83°
66°
12
82°
65°
13
83°
66°
14
83°
64°
15
84°
65°
16
82°
66°
17
78°
65°
18
84°
66°
19
83°
65°
20
81°
60°
21
83°
57°
22
77°
57°
23
76°
58°
24
77°
59°
25
76°
57°
26
78°
60°
27
76°
57°
28
77°
56°
29
75°
55°
30
75°
54°
31
76°
54°
1
74°
55°
2
73°
56°
3
74°
57°
4
72°
57°
5
73°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Colchester
Colchester's August 2026 forecast shows daily high temperatures ranging from 72° to 85°, with overnight lows between 54° and 68°. The average high for August is 80° with an average low of 62°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Colchester. See also: September | October | November.
