S
M
T
W
T
F
S
26
68°
29°
27
69°
37°
28
67°
39°
29
74°
40°
30
77°
38°
1
78°
38°
2
82°
53°
3
88°
43°
4
84°
51°
5
80°
51°
6
78°
52°
7
70°
46°
8
62°
44°
9
71°
42°
10
76°
46°
11
72°
43°
12
69°
41°
13
73°
43°
14
73°
43°
15
67°
42°
16
67°
39°
17
66°
38°
18
60°
36°
19
61°
35°
20
62°
35°
21
71°
42°
22
71°
42°
23
66°
38°
24
72°
45°
25
72°
42°
26
70°
40°
27
73°
44°
28
74°
46°
29
73°
45°
30
74°
46°
31
75°
47°
1
75°
47°
2
74°
46°
3
74°
47°
4
73°
43°
5
73°
43°
6
72°
41°
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 60° to 84°, with overnight lows between 35° and 52°. The average high for May is 71° with an average low of 43°. 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.