S
M
T
W
T
F
S
26
81°
62°
27
81°
61°
28
82°
63°
29
81°
61°
30
82°
62°
31
81°
68°
1
86°
68°
2
87°
67°
3
87°
69°
4
86°
68°
5
87°
60°
6
82°
61°
7
79°
62°
8
80°
62°
9
81°
63°
10
82°
64°
11
84°
67°
12
85°
62°
13
83°
67°
14
85°
66°
15
84°
68°
16
84°
66°
17
86°
63°
18
82°
61°
19
78°
61°
20
79°
60°
21
78°
63°
22
79°
66°
23
78°
62°
24
80°
63°
25
81°
66°
26
83°
65°
27
83°
60°
28
81°
62°
29
78°
64°
30
82°
65°
31
83°
66°
1
82°
64°
2
82°
64°
3
83°
59°
4
82°
56°
5
82°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Cranston
Cranston's August 2026 forecast shows daily high temperatures ranging from 78° to 87°, with overnight lows between 56° and 69°. The average high for August is 82° with an average low of 64°. 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 Cranston. See also: September | October | November.
