S
M
T
W
T
F
S
26
88°
70°
27
88°
70°
28
89°
69°
29
88°
70°
30
88°
70°
31
89°
68°
1
90°
66°
2
90°
71°
3
87°
70°
4
89°
70°
5
89°
70°
6
91°
71°
7
91°
71°
8
92°
70°
9
92°
69°
10
93°
69°
11
90°
70°
12
94°
70°
13
90°
69°
14
93°
67°
15
92°
69°
16
94°
69°
17
94°
67°
18
91°
69°
19
93°
65°
20
90°
65°
21
89°
64°
22
88°
65°
23
88°
64°
24
89°
64°
25
88°
65°
26
88°
63°
27
89°
63°
28
89°
64°
29
92°
64°
30
92°
65°
31
91°
64°
1
88°
67°
2
92°
65°
3
90°
64°
4
89°
63°
5
88°
63°
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 87° to 94°, with overnight lows between 63° and 71°. The average high for August is 90° 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.
