S
M
T
W
T
F
S
26
81°
46°
27
83°
42°
28
81°
49°
29
76°
56°
30
71°
62°
31
75°
59°
1
80°
59°
2
85°
59°
3
73°
62°
4
86°
57°
5
92°
56°
6
93°
56°
7
92°
65°
8
80°
64°
9
88°
61°
10
85°
58°
11
83°
58°
12
83°
54°
13
79°
50°
14
79°
52°
15
80°
52°
16
75°
48°
17
68°
59°
18
78°
59°
19
85°
57°
20
82°
66°
21
83°
58°
22
81°
49°
23
72°
62°
24
78°
58°
25
78°
58°
26
82°
54°
27
80°
51°
28
82°
60°
29
75°
47°
30
80°
44°
31
77°
50°
1
76°
45°
2
73°
44°
3
62°
49°
4
76°
60°
5
69°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in St. Stephen
St. Stephen'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 St. Stephen. See also: September | October | November.
