S
M
T
W
T
F
S
26
89°
75°
27
89°
74°
28
90°
75°
29
91°
75°
30
92°
74°
31
91°
75°
1
90°
75°
2
91°
74°
3
90°
72°
4
90°
72°
5
92°
72°
6
91°
74°
7
90°
74°
8
91°
74°
9
91°
72°
10
90°
72°
11
91°
74°
12
90°
72°
13
89°
72°
14
89°
72°
15
90°
74°
16
89°
72°
17
89°
74°
18
90°
72°
19
91°
72°
20
91°
72°
21
92°
73°
22
90°
72°
23
90°
72°
24
91°
73°
25
91°
71°
26
90°
73°
27
89°
72°
28
90°
73°
29
93°
73°
30
91°
72°
31
89°
73°
1
89°
72°
2
90°
72°
3
89°
73°
4
89°
73°
5
90°
72°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Richland
Richland's August 2026 forecast shows daily high temperatures ranging from 89° to 93°, with overnight lows between 71° and 75°. The average high for August is 90° with an average low of 73°. 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 Richland. See also: September | October | November.
