S
M
T
W
T
F
S
26
80°
65°
27
81°
65°
28
83°
64°
29
81°
65°
30
82°
66°
31
84°
66°
1
83°
65°
2
83°
64°
3
80°
61°
4
78°
63°
5
78°
63°
6
79°
64°
7
80°
64°
8
81°
63°
9
83°
65°
10
83°
65°
11
82°
64°
12
81°
64°
13
82°
65°
14
83°
62°
15
83°
64°
16
82°
64°
17
79°
63°
18
83°
65°
19
82°
64°
20
81°
59°
21
83°
56°
22
77°
56°
23
76°
57°
24
77°
58°
25
77°
56°
26
79°
60°
27
77°
56°
28
78°
54°
29
75°
54°
30
75°
53°
31
76°
53°
1
74°
54°
2
74°
54°
3
75°
56°
4
73°
55°
5
75°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Wood River Junction
Wood River Junction's August 2026 forecast shows daily high temperatures ranging from 73° to 84°, with overnight lows between 53° and 66°. The average high for August is 79° with an average low of 61°. 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 Wood River Junction. See also: September | October | November.