S
M
T
W
T
F
S
26
98°
74°
27
101°
71°
28
101°
73°
29
100°
75°
30
101°
75°
31
103°
79°
1
97°
76°
2
100°
67°
3
101°
70°
4
101°
73°
5
101°
76°
6
100°
78°
7
102°
77°
8
100°
78°
9
100°
73°
10
100°
78°
11
102°
78°
12
103°
78°
13
105°
79°
14
102°
78°
15
102°
78°
16
103°
76°
17
104°
77°
18
105°
78°
19
106°
77°
20
105°
76°
21
104°
74°
22
104°
73°
23
102°
75°
24
104°
74°
25
103°
74°
26
101°
75°
27
102°
75°
28
94°
69°
29
96°
74°
30
97°
73°
31
97°
75°
1
96°
74°
2
96°
73°
3
89°
71°
4
89°
66°
5
90°
67°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Stamford
Stamford's August 2026 forecast shows daily high temperatures ranging from 89° to 106°, with overnight lows between 66° and 78°. The average high for August is 100° with an average low of 74°. 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 Stamford. See also: September | October | November.
