S
M
T
W
T
F
S
26
93°
72°
27
91°
73°
28
93°
72°
29
95°
74°
30
95°
75°
31
95°
75°
1
95°
75°
2
94°
74°
3
95°
75°
4
96°
75°
5
94°
74°
6
94°
75°
7
93°
74°
8
90°
74°
9
88°
71°
10
86°
72°
11
89°
73°
12
90°
73°
13
89°
72°
14
89°
73°
15
90°
72°
16
90°
73°
17
91°
73°
18
91°
72°
19
90°
73°
20
90°
73°
21
91°
72°
22
91°
73°
23
89°
72°
24
87°
72°
25
89°
71°
26
90°
72°
27
89°
71°
28
92°
67°
29
94°
69°
30
94°
71°
31
95°
69°
1
94°
68°
2
91°
67°
3
87°
67°
4
91°
68°
5
90°
67°
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 86° to 96°, with overnight lows between 67° and 75°. The average high for August is 91° with an average low of 72°. 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.
