S
M
T
W
T
F
S
26
90°
70°
27
92°
71°
28
92°
71°
29
91°
70°
30
93°
72°
31
92°
71°
1
92°
72°
2
94°
73°
3
94°
73°
4
93°
72°
5
93°
72°
6
94°
71°
7
94°
71°
8
92°
69°
9
88°
66°
10
87°
66°
11
92°
71°
12
93°
71°
13
93°
70°
14
92°
71°
15
93°
69°
16
91°
68°
17
91°
63°
18
88°
62°
19
89°
62°
20
91°
65°
21
92°
67°
22
91°
66°
23
89°
65°
24
86°
62°
25
85°
62°
26
84°
63°
27
84°
60°
28
85°
61°
29
84°
62°
30
84°
62°
31
88°
65°
1
90°
65°
2
90°
64°
3
89°
62°
4
89°
58°
5
83°
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 83° to 94°, with overnight lows between 58° and 73°. 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.
