S
M
T
W
T
F
S
26
81°
53°
27
82°
59°
28
81°
63°
29
78°
66°
30
76°
63°
31
83°
60°
1
87°
63°
2
82°
71°
3
80°
61°
4
83°
57°
5
83°
58°
6
89°
74°
7
90°
70°
8
84°
70°
9
86°
70°
10
85°
62°
11
82°
68°
12
81°
66°
13
81°
66°
14
82°
63°
15
79°
57°
16
77°
61°
17
78°
67°
18
84°
68°
19
82°
62°
20
81°
63°
21
77°
63°
22
70°
63°
23
80°
66°
24
77°
56°
25
76°
58°
26
79°
57°
27
76°
64°
28
81°
64°
29
75°
52°
30
78°
55°
31
76°
61°
1
78°
62°
2
68°
61°
3
81°
66°
4
81°
63°
5
78°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Norwalk
Norwalk's August 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for August is ° with an average low of °. 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 Norwalk. See also: September | October | November.