S
M
T
W
T
F
S
26
94°
72°
27
94°
71°
28
93°
72°
29
94°
70°
30
93°
71°
31
92°
70°
1
91°
69°
2
90°
69°
3
85°
68°
4
87°
69°
5
86°
70°
6
90°
70°
7
91°
69°
8
91°
70°
9
90°
70°
10
90°
69°
11
89°
69°
12
88°
68°
13
89°
69°
14
92°
68°
15
92°
68°
16
90°
66°
17
91°
67°
18
90°
65°
19
86°
60°
20
84°
59°
21
82°
58°
22
82°
60°
23
84°
59°
24
84°
60°
25
87°
65°
26
90°
63°
27
90°
65°
28
91°
66°
29
90°
65°
30
90°
65°
31
89°
64°
1
88°
60°
2
87°
55°
3
79°
57°
4
81°
63°
5
85°
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 79° to 94°, with overnight lows between 55° and 72°. The average high for August is 89° with an average low of 66°. 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.
