S
M
T
W
T
F
S
26
96°
74°
27
97°
74°
28
97°
73°
29
95°
73°
30
96°
72°
31
94°
72°
1
90°
71°
2
91°
71°
3
89°
70°
4
89°
71°
5
92°
71°
6
95°
73°
7
96°
74°
8
96°
73°
9
94°
71°
10
90°
71°
11
92°
70°
12
93°
70°
13
93°
72°
14
95°
71°
15
94°
68°
16
94°
64°
17
92°
66°
18
91°
61°
19
85°
60°
20
85°
59°
21
84°
60°
22
85°
60°
23
92°
61°
24
89°
67°
25
92°
67°
26
94°
66°
27
94°
68°
28
93°
68°
29
93°
66°
30
92°
65°
31
91°
63°
1
91°
57°
2
82°
56°
3
82°
63°
4
89°
66°
5
90°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Fort Riley
Fort Riley's August 2026 forecast shows daily high temperatures ranging from 82° to 97°, with overnight lows between 56° and 74°. The average high for August is 92° 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 Fort Riley. See also: September | October | November.
