S
M
T
W
T
F
S
26
74°
54°
27
70°
53°
28
74°
56°
29
77°
55°
30
77°
56°
1
78°
59°
2
78°
54°
3
73°
53°
4
80°
60°
5
81°
61°
6
82°
62°
7
82°
62°
8
81°
63°
9
82°
62°
10
78°
62°
11
76°
58°
12
78°
56°
13
75°
56°
14
76°
63°
15
76°
63°
16
81°
64°
17
83°
65°
18
83°
64°
19
74°
60°
20
76°
64°
21
78°
67°
22
84°
67°
23
84°
66°
24
83°
67°
25
85°
68°
26
86°
68°
27
85°
67°
28
81°
63°
29
86°
66°
30
86°
68°
31
87°
68°
1
88°
64°
2
89°
63°
3
88°
64°
4
88°
64°
5
87°
69°
6
90°
69°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Mer Rouge
Mer Rouge's May 2026 forecast shows daily high temperatures ranging from 70° to 90°, with overnight lows between 53° and 69°. The average high for May is 81° with an average low of 62°. 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 Mer Rouge. See also: June | July | August.
