S
M
T
W
T
F
S
26
46°
34°
27
55°
37°
28
63°
34°
29
61°
28°
30
55°
34°
1
66°
30°
2
76°
36°
3
76°
42°
4
75°
36°
5
42°
33°
6
51°
33°
7
72°
43°
8
75°
48°
9
75°
47°
10
69°
46°
11
73°
48°
12
82°
51°
13
79°
48°
14
77°
48°
15
72°
46°
16
77°
51°
17
73°
50°
18
77°
51°
19
72°
49°
20
76°
51°
21
69°
44°
22
68°
51°
23
75°
52°
24
68°
50°
25
68°
46°
26
69°
46°
27
70°
51°
28
68°
52°
29
70°
54°
30
70°
52°
31
69°
50°
1
71°
54°
2
77°
55°
3
81°
56°
4
82°
56°
5
74°
55°
6
77°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Merino
Merino's May 2026 forecast shows daily high temperatures ranging from 42° to 82°, with overnight lows between 33° and 57°. The average high for May is 72° with an average low of 48°. 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 Merino. See also: June | July | August.
