S
M
T
W
T
F
S
26
75°
57°
27
85°
63°
28
86°
61°
29
86°
58°
30
78°
51°
31
77°
52°
1
78°
51°
2
77°
52°
3
77°
52°
4
78°
55°
5
78°
61°
6
82°
62°
7
85°
61°
8
86°
57°
9
80°
61°
10
85°
53°
11
78°
61°
12
84°
53°
13
80°
52°
14
76°
61°
15
82°
59°
16
84°
51°
17
76°
52°
18
76°
58°
19
80°
51°
20
80°
51°
21
75°
53°
22
75°
59°
23
81°
51°
24
83°
50°
25
73°
49°
26
71°
49°
27
72°
50°
28
70°
52°
29
73°
48°
30
73°
49°
31
74°
51°
1
71°
49°
2
71°
47°
3
70°
53°
4
72°
56°
5
73°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Streeter
Streeter's August 2026 forecast shows daily high temperatures ranging from 70° to 86°, with overnight lows between 47° and 63°. The average high for August is 78° with an average low of 54°. 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 Streeter. See also: September | October | November.