S
M
T
W
T
F
S
26
66°
42°
27
74°
42°
28
75°
51°
29
63°
54°
30
54°
40°
1
55°
37°
2
50°
40°
3
56°
39°
4
66°
46°
5
70°
49°
6
49°
42°
7
54°
43°
8
55°
44°
9
66°
39°
10
61°
47°
11
56°
42°
12
57°
43°
13
51°
46°
14
55°
46°
15
69°
49°
16
74°
55°
17
68°
50°
18
74°
61°
19
78°
62°
20
73°
48°
21
60°
45°
22
62°
49°
23
67°
49°
24
68°
54°
25
71°
56°
26
70°
57°
27
72°
48°
28
63°
51°
29
64°
53°
30
64°
53°
31
68°
52°
1
64°
52°
2
63°
50°
3
64°
47°
4
65°
47°
5
66°
55°
6
69°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Rosemère
Rosemère's May 2026 forecast shows daily high temperatures ranging from 60° to 78°, with overnight lows between 45° and 62°. The average high for May is 68° with an average low of 52°. 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 Rosemère. See also: June | July | August.
