S
M
T
W
T
F
S
26
78°
60°
27
80°
58°
28
76°
58°
29
75°
58°
30
76°
58°
31
78°
61°
1
78°
60°
2
82°
62°
3
81°
62°
4
82°
61°
5
76°
57°
6
75°
60°
7
80°
61°
8
77°
58°
9
75°
61°
10
76°
56°
11
74°
54°
12
75°
60°
13
81°
60°
14
76°
54°
15
72°
53°
16
73°
56°
17
74°
58°
18
76°
60°
19
73°
60°
20
76°
59°
21
78°
58°
22
73°
55°
23
72°
57°
24
78°
55°
25
79°
58°
26
81°
50°
27
74°
49°
28
69°
50°
29
70°
49°
30
71°
49°
31
72°
57°
1
75°
58°
2
71°
59°
3
76°
59°
4
79°
52°
5
79°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Streetsville
Streetsville's August 2026 forecast shows daily high temperatures ranging from 69° to 82°, with overnight lows between 49° and 62°. The average high for August is 76° with an average low of 57°. 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 Streetsville. See also: September | October | November.