S
M
T
W
T
F
S
26
63°
48°
27
70°
47°
28
75°
46°
29
81°
50°
30
85°
53°
1
87°
50°
2
82°
53°
3
75°
53°
4
64°
56°
5
69°
53°
6
78°
50°
7
87°
55°
8
87°
54°
9
90°
54°
10
91°
55°
11
97°
58°
12
95°
58°
13
82°
53°
14
88°
52°
15
89°
53°
16
82°
52°
17
77°
51°
18
84°
48°
19
88°
50°
20
91°
51°
21
95°
54°
22
95°
57°
23
88°
54°
24
84°
55°
25
82°
54°
26
73°
52°
27
75°
50°
28
71°
53°
29
75°
53°
30
83°
53°
31
89°
58°
1
94°
58°
2
94°
55°
3
90°
56°
4
91°
57°
5
91°
56°
6
87°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Merced
Merced's May 2026 forecast shows daily high temperatures ranging from 75° to 94°, with overnight lows between 53° and 58°. The average high for May is 88° with an average low of 55°. 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 Merced. See also: June | July | August.
