S
M
T
W
T
F
S
26
88°
58°
27
86°
60°
28
88°
59°
29
92°
66°
30
86°
69°
1
80°
61°
2
69°
55°
3
77°
44°
4
83°
45°
5
84°
51°
6
90°
62°
7
85°
69°
8
79°
66°
9
73°
66°
10
87°
66°
11
90°
67°
12
74°
64°
13
83°
63°
14
87°
58°
15
86°
51°
16
91°
60°
17
92°
70°
18
91°
70°
19
92°
71°
20
91°
70°
21
91°
67°
22
92°
69°
23
92°
70°
24
91°
72°
25
88°
73°
26
90°
73°
27
83°
73°
28
83°
71°
29
85°
73°
30
85°
73°
31
86°
72°
1
84°
69°
2
86°
69°
3
81°
67°
4
80°
68°
5
84°
67°
6
88°
68°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in St. Marks
St. Marks's May 2026 forecast shows daily high temperatures ranging from 80° to 88°, with overnight lows between 67° and 73°. The average high for May is 84° with an average low of 70°. 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 St. Marks. See also: June | July | August.
