S
M
T
W
T
F
S
26
81°
63°
27
80°
62°
28
81°
68°
29
86°
67°
30
84°
68°
31
80°
64°
1
81°
67°
2
88°
62°
3
83°
61°
4
Hist. Avg.
84°
65°
5
Hist. Avg.
84°
65°
6
Hist. Avg.
83°
65°
7
Hist. Avg.
83°
65°
8
Hist. Avg.
83°
65°
9
Hist. Avg.
83°
65°
10
Hist. Avg.
83°
65°
11
Hist. Avg.
83°
65°
12
Hist. Avg.
83°
65°
13
Hist. Avg.
83°
64°
14
Hist. Avg.
83°
64°
15
Hist. Avg.
83°
64°
16
Hist. Avg.
82°
64°
17
Hist. Avg.
82°
64°
18
Hist. Avg.
82°
64°
19
Hist. Avg.
82°
64°
20
Hist. Avg.
82°
64°
21
Hist. Avg.
82°
63°
22
Hist. Avg.
82°
63°
23
Hist. Avg.
81°
63°
24
Hist. Avg.
81°
63°
25
Hist. Avg.
81°
63°
26
Hist. Avg.
81°
62°
27
Hist. Avg.
81°
62°
28
Hist. Avg.
80°
62°
29
Hist. Avg.
80°
62°
30
Hist. Avg.
80°
62°
31
Hist. Avg.
80°
62°
1
Hist. Avg.
80°
61°
2
Hist. Avg.
79°
61°
3
Hist. Avg.
79°
61°
4
Hist. Avg.
79°
60°
5
Hist. Avg.
78°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
August Weather in Cranston
Cranston's August 2026 forecast shows daily high temperatures ranging from 80° to 88°, with overnight lows between 61° and 68°. The average high for August is 83° with an average low of 65°. 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.