S
M
T
W
T
F
S
26
80°
54°
27
83°
61°
28
67°
53°
29
66°
48°
30
65°
39°
1
66°
43°
2
66°
41°
3
77°
57°
4
82°
60°
5
71°
49°
6
64°
45°
7
68°
44°
8
72°
51°
9
75°
52°
10
77°
55°
11
79°
56°
12
78°
55°
13
77°
51°
14
76°
53°
15
75°
59°
16
77°
59°
17
81°
60°
18
81°
60°
19
79°
59°
20
81°
61°
21
80°
60°
22
80°
59°
23
75°
55°
24
77°
60°
25
81°
61°
26
77°
57°
27
75°
55°
28
77°
58°
29
76°
54°
30
81°
62°
31
84°
63°
1
84°
63°
2
85°
64°
3
85°
63°
4
79°
60°
5
78°
56°
6
78°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Mammoth Spring
Mammoth Spring's May 2026 forecast shows daily high temperatures ranging from 64° to 85°, with overnight lows between 41° and 64°. The average high for May is 77° with an average low of 56°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Mammoth Spring. See also: June | July | August.
