S
M
T
W
T
F
S
26
86°
67°
27
88°
68°
28
89°
69°
29
89°
69°
30
87°
68°
31
87°
67°
1
88°
68°
2
89°
69°
3
90°
69°
4
89°
68°
5
89°
68°
6
88°
69°
7
90°
67°
8
87°
65°
9
85°
65°
10
84°
67°
11
89°
69°
12
90°
69°
13
90°
68°
14
89°
68°
15
88°
66°
16
87°
62°
17
86°
62°
18
82°
64°
19
87°
62°
20
86°
63°
21
87°
64°
22
86°
62°
23
81°
58°
24
79°
57°
25
79°
56°
26
80°
56°
27
80°
55°
28
81°
54°
29
80°
56°
30
82°
62°
31
83°
62°
1
83°
61°
2
86°
61°
3
86°
56°
4
84°
57°
5
78°
61°
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 78° to 90°, with overnight lows between 54° and 69°. The average high for August is 86° with an average low of 64°. 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.
