S
M
T
W
T
F
S
26
52°
38°
27
53°
35°
28
57°
40°
29
54°
37°
30
54°
39°
1
56°
38°
2
55°
36°
3
58°
40°
4
64°
46°
5
66°
45°
6
60°
42°
7
65°
47°
8
69°
49°
9
69°
47°
10
68°
43°
11
58°
44°
12
59°
44°
13
61°
46°
14
60°
46°
15
62°
49°
16
68°
48°
17
62°
49°
18
67°
40°
19
68°
39°
20
62°
39°
21
63°
40°
22
62°
39°
23
63°
40°
24
64°
44°
25
66°
44°
26
67°
48°
27
72°
41°
28
65°
46°
29
66°
50°
30
74°
44°
31
69°
46°
1
67°
49°
2
69°
46°
3
68°
55°
4
74°
51°
5
77°
47°
6
70°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Dundas
Dundas's May 2026 forecast shows daily high temperatures ranging from 52° to 77°, with overnight lows between 35° and 55°. The average high for May is 64° with an average low of 44°. 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 Dundas. See also: June | July | August.
