S
M
T
W
T
F
S
31
89°
65°
1
81°
64°
2
N/A
3
77°
58°
4
79°
61°
5
76°
59°
6
80°
61°
7
84°
64°
8
85°
65°
9
85°
65°
10
84°
64°
11
86°
66°
12
81°
64°
13
82°
65°
14
83°
66°
15
80°
61°
16
75°
60°
17
75°
59°
18
76°
61°
19
77°
61°
20
78°
62°
21
78°
60°
22
77°
60°
23
79°
64°
24
78°
64°
25
80°
66°
26
80°
65°
27
82°
66°
28
83°
61°
29
78°
60°
30
79°
61°
1
79°
62°
2
80°
63°
3
80°
65°
4
82°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
June Weather in San Marco
San Marco's June 2026 forecast shows daily high temperatures ranging from 75° to 86°, with overnight lows between 58° and 66°. The average high for June is 80° with an average low of 63°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how June weather will actually feel in San Marco. See also: July | August | September.