S
M
T
W
T
F
S
26
92°
61°
27
92°
51°
28
93°
66°
29
86°
55°
30
94°
56°
31
94°
54°
1
93°
58°
2
83°
52°
3
83°
49°
4
88°
48°
5
93°
47°
6
97°
50°
7
102°
54°
8
98°
55°
9
93°
54°
10
95°
54°
11
94°
53°
12
91°
60°
13
87°
58°
14
90°
57°
15
93°
65°
16
94°
64°
17
96°
66°
18
94°
61°
19
92°
60°
20
96°
64°
21
95°
63°
22
92°
59°
23
91°
61°
24
92°
61°
25
96°
62°
26
94°
59°
27
91°
60°
28
96°
67°
29
78°
53°
30
80°
57°
31
89°
62°
1
88°
62°
2
88°
61°
3
87°
61°
4
87°
60°
5
86°
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 96°, with overnight lows between 53° and 67°. The average high for August is 91° with an average low of 61°. 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.
