S
M
T
W
T
F
S
26
94°
75°
27
95°
73°
28
91°
75°
29
88°
69°
30
87°
67°
31
89°
73°
1
74°
66°
2
84°
65°
3
86°
61°
4
89°
61°
5
92°
69°
6
85°
69°
7
91°
68°
8
88°
67°
9
91°
68°
10
92°
73°
11
94°
74°
12
95°
74°
13
96°
77°
14
98°
74°
15
102°
74°
16
103°
75°
17
91°
72°
18
92°
74°
19
99°
71°
20
89°
68°
21
86°
63°
22
87°
62°
23
96°
68°
24
96°
67°
25
97°
68°
26
93°
66°
27
94°
66°
28
88°
64°
29
90°
66°
30
91°
67°
31
85°
67°
1
84°
67°
2
83°
65°
3
81°
60°
4
80°
57°
5
80°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Mammoth Spring
Mammoth Spring's August 2026 forecast shows daily high temperatures ranging from 80° to 103°, with overnight lows between 57° and 75°. 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 Mammoth Spring. See also: September | October | November.
