S
M
T
W
T
F
S
26
68°
45°
27
72°
43°
28
78°
46°
29
85°
47°
30
88°
62°
1
84°
53°
2
73°
52°
3
72°
51°
4
65°
53°
5
72°
57°
6
78°
51°
7
85°
51°
8
86°
52°
9
92°
53°
10
89°
52°
11
95°
56°
12
89°
54°
13
84°
51°
14
91°
71°
15
91°
50°
16
83°
66°
17
78°
46°
18
85°
55°
19
91°
51°
20
94°
53°
21
96°
52°
22
90°
53°
23
84°
52°
24
85°
52°
25
75°
52°
26
74°
49°
27
76°
54°
28
74°
57°
29
74°
53°
30
82°
57°
31
92°
59°
1
94°
55°
2
94°
57°
3
87°
60°
4
92°
58°
5
88°
58°
6
87°
56°
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 74° to 94°, with overnight lows between 53° and 60°. The average high for May is 88° with an average low of 57°. 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.