S
M
T
W
T
F
S
26
84°
70°
27
89°
72°
28
89°
74°
29
84°
66°
30
85°
63°
31
85°
65°
1
83°
71°
2
80°
69°
3
84°
66°
4
87°
63°
5
88°
66°
6
88°
70°
7
91°
74°
8
91°
74°
9
91°
70°
10
93°
76°
11
94°
69°
12
84°
67°
13
92°
71°
14
90°
73°
15
95°
74°
16
96°
74°
17
87°
67°
18
84°
65°
19
84°
68°
20
80°
66°
21
83°
63°
22
84°
63°
23
82°
61°
24
83°
63°
25
87°
65°
26
85°
67°
27
87°
67°
28
86°
64°
29
83°
63°
30
82°
64°
31
88°
68°
1
88°
69°
2
84°
66°
3
79°
62°
4
78°
59°
5
79°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in River Bluff
River Bluff's August 2026 forecast shows daily high temperatures ranging from 78° to 88°, with overnight lows between 59° and 69°. The average high for August is 84° with an average low of 64°. 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 River Bluff. See also: September | October | November.