S
M
T
W
T
F
S
26
62°
48°
27
70°
41°
28
69°
44°
29
69°
51°
30
75°
51°
1
71°
41°
2
59°
47°
3
65°
39°
4
80°
45°
5
84°
55°
6
74°
61°
7
68°
46°
8
72°
41°
9
79°
49°
10
86°
55°
11
63°
41°
12
74°
38°
13
79°
46°
14
69°
50°
15
73°
45°
16
87°
50°
17
93°
64°
18
96°
69°
19
96°
71°
20
95°
69°
21
88°
57°
22
59°
54°
23
59°
53°
24
72°
57°
25
80°
69°
26
80°
70°
27
84°
68°
28
85°
59°
29
81°
59°
30
67°
50°
31
69°
49°
1
70°
53°
2
71°
55°
3
73°
54°
4
79°
57°
5
79°
60°
6
80°
62°
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 67° to 85°, with overnight lows between 49° and 70°. The average high for May is 77° with an average low of 59°. 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.
