S
M
T
W
T
F
S
26
69°
61°
27
76°
63°
28
77°
59°
29
71°
55°
30
74°
57°
31
76°
64°
1
76°
47°
2
80°
45°
3
84°
54°
4
80°
58°
5
74°
49°
6
73°
50°
7
76°
52°
8
70°
50°
9
69°
49°
10
68°
47°
11
67°
49°
12
68°
49°
13
67°
52°
14
69°
50°
15
76°
49°
16
76°
55°
17
84°
55°
18
82°
54°
19
83°
54°
20
80°
53°
21
79°
55°
22
82°
55°
23
83°
54°
24
81°
53°
25
81°
53°
26
77°
54°
27
77°
53°
28
76°
53°
29
79°
52°
30
80°
53°
31
79°
51°
1
75°
50°
2
76°
50°
3
76°
52°
4
78°
52°
5
78°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in White River
White River's August 2026 forecast shows daily high temperatures ranging from 67° to 84°, with overnight lows between 45° and 58°. The average high for August is 77° with an average low of 52°. 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 White River. See also: September | October | November.