S
M
T
W
T
F
S
26
96°
77°
27
98°
78°
28
98°
79°
29
98°
80°
30
96°
77°
1
99°
78°
2
100°
78°
3
98°
78°
4
98°
79°
5
95°
78°
6
96°
81°
7
97°
77°
8
100°
79°
9
100°
80°
10
99°
80°
11
98°
78°
12
90°
79°
13
95°
79°
14
93°
80°
15
92°
78°
16
96°
81°
17
97°
79°
18
94°
81°
19
91°
79°
20
94°
78°
21
98°
80°
22
97°
81°
23
98°
81°
24
100°
80°
25
94°
81°
26
93°
82°
27
93°
80°
28
93°
79°
29
92°
80°
30
94°
80°
31
93°
79°
1
81°
77°
2
85°
75°
3
84°
74°
4
85°
75°
5
80°
76°
6
86°
76°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in San Marcelino
San Marcelino's May 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for May is ° with an average low of °. 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 San Marcelino. See also: June | July | August.
