S
M
T
W
T
F
S
26
87°
65°
27
86°
66°
28
87°
66°
29
87°
67°
30
86°
66°
31
85°
66°
1
86°
67°
2
84°
66°
3
86°
66°
4
85°
64°
5
84°
62°
6
83°
63°
7
85°
66°
8
86°
59°
9
79°
59°
10
79°
58°
11
80°
63°
12
79°
62°
13
80°
64°
14
79°
65°
15
80°
65°
16
84°
64°
17
80°
58°
18
80°
56°
19
82°
62°
20
81°
61°
21
79°
62°
22
83°
61°
23
83°
60°
24
82°
57°
25
77°
55°
26
78°
56°
27
76°
56°
28
75°
54°
29
78°
55°
30
78°
60°
31
83°
61°
1
83°
62°
2
82°
61°
3
83°
54°
4
82°
52°
5
75°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in West Simsbury
West Simsbury's August 2026 forecast shows daily high temperatures ranging from 75° to 87°, with overnight lows between 52° and 67°. The average high for August is 82° with an average low of 61°. 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 West Simsbury. See also: September | October | November.