S
M
T
W
T
F
S
26
76°
61°
27
78°
63°
28
77°
63°
29
80°
64°
30
77°
58°
31
75°
57°
1
75°
57°
2
76°
60°
3
79°
64°
4
77°
64°
5
78°
62°
6
77°
60°
7
83°
63°
8
82°
64°
9
85°
62°
10
84°
57°
11
76°
56°
12
77°
57°
13
76°
56°
14
77°
54°
15
77°
58°
16
81°
59°
17
75°
59°
18
77°
57°
19
78°
57°
20
81°
56°
21
84°
62°
22
84°
63°
23
83°
62°
24
80°
59°
25
82°
53°
26
75°
52°
27
75°
54°
28
76°
55°
29
72°
58°
30
73°
59°
31
74°
61°
1
76°
55°
2
78°
53°
3
74°
52°
4
77°
53°
5
80°
57°
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 52° and 64°. The average high for August is 78° 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 August weather will actually feel in Colchester. See also: September | October | November.
