S
M
T
W
T
F
S
26
65°
52°
27
66°
49°
28
71°
43°
29
73°
50°
30
67°
51°
1
64°
50°
2
59°
52°
3
67°
44°
4
73°
43°
5
77°
51°
6
81°
55°
7
73°
54°
8
71°
53°
9
76°
57°
10
81°
61°
11
83°
56°
12
68°
50°
13
77°
50°
14
78°
58°
15
75°
50°
16
77°
50°
17
85°
61°
18
86°
67°
19
85°
67°
20
85°
69°
21
83°
68°
22
79°
67°
23
82°
70°
24
83°
69°
25
83°
69°
26
82°
67°
27
86°
68°
28
83°
65°
29
82°
64°
30
81°
62°
31
83°
65°
1
84°
63°
2
83°
67°
3
83°
66°
4
82°
67°
5
80°
66°
6
82°
67°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Merritt
Merritt's May 2026 forecast shows daily high temperatures ranging from 79° to 86°, with overnight lows between 62° and 70°. The average high for May is 83° with an average low of 67°. 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 Merritt. See also: June | July | August.