S
M
T
W
T
F
S
26
65°
48°
27
79°
41°
28
77°
54°
29
69°
49°
30
58°
38°
1
58°
33°
2
56°
30°
3
63°
28°
4
74°
48°
5
74°
59°
6
64°
49°
7
62°
37°
8
72°
35°
9
72°
52°
10
71°
52°
11
69°
47°
12
73°
39°
13
74°
48°
14
62°
41°
15
71°
34°
16
73°
46°
17
86°
61°
18
90°
67°
19
87°
66°
20
71°
49°
21
68°
57°
22
71°
63°
23
75°
62°
24
79°
58°
25
78°
58°
26
77°
57°
27
79°
60°
28
78°
57°
29
78°
56°
30
80°
55°
31
82°
53°
1
78°
58°
2
78°
58°
3
79°
57°
4
73°
54°
5
73°
52°
6
76°
58°
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 68° to 90°, with overnight lows between 49° and 67°. The average high for May is 78° with an average low of 58°. 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.
