S
M
T
W
T
F
S
26
86°
63°
27
84°
66°
28
72°
64°
29
73°
57°
30
66°
50°
1
70°
50°
2
70°
46°
3
73°
58°
4
82°
60°
5
72°
51°
6
58°
47°
7
67°
48°
8
73°
52°
9
75°
56°
10
72°
55°
11
76°
53°
12
72°
54°
13
78°
56°
14
79°
56°
15
77°
57°
16
80°
55°
17
79°
59°
18
76°
60°
19
81°
61°
20
78°
59°
21
80°
55°
22
73°
53°
23
74°
53°
24
74°
55°
25
73°
54°
26
74°
53°
27
75°
54°
28
76°
55°
29
77°
58°
30
80°
63°
31
79°
64°
1
78°
62°
2
79°
58°
3
79°
62°
4
80°
64°
5
79°
65°
6
80°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Old Siloam
Old Siloam's May 2026 forecast shows daily high temperatures ranging from 58° to 82°, with overnight lows between 47° and 65°. The average high for May is 76° with an average low of 57°. 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 Old Siloam. See also: June | July | August.
