S
M
T
W
T
F
S
26
86°
67°
27
85°
68°
28
85°
68°
29
86°
67°
30
85°
69°
31
86°
70°
1
86°
69°
2
88°
70°
3
90°
70°
4
89°
69°
5
89°
70°
6
88°
70°
7
89°
69°
8
88°
70°
9
85°
68°
10
84°
66°
11
84°
65°
12
86°
69°
13
89°
70°
14
89°
70°
15
88°
69°
16
88°
70°
17
90°
68°
18
90°
66°
19
88°
68°
20
89°
67°
21
90°
69°
22
89°
68°
23
89°
68°
24
88°
67°
25
84°
63°
26
84°
65°
27
85°
64°
28
83°
63°
29
83°
63°
30
84°
62°
31
83°
61°
1
84°
63°
2
87°
64°
3
84°
66°
4
87°
65°
5
87°
64°
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 83° to 90°, with overnight lows between 61° and 70°. The average high for August is 87° with an average low of 67°. 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.
