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
89°
69°
19
90°
69°
20
91°
69°
21
89°
69°
22
90°
70°
23
91°
68°
24
89°
69°
25
86°
68°
26
87°
67°
27
86°
69°
28
89°
68°
29
87°
67°
30
86°
68°
31
88°
66°
1
88°
69°
2
89°
68°
3
86°
69°
4
84°
69°
5
85°
70°
6
86°
70°
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 84° to 91°, with overnight lows between 66° and 70°. The average high for May is 88° with an average low of 69°. 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.
