S
M
T
W
T
F
S
26
81°
54°
27
81°
63°
28
73°
63°
29
79°
57°
30
64°
52°
1
64°
45°
2
66°
48°
3
68°
39°
4
77°
45°
5
73°
54°
6
79°
57°
7
68°
50°
8
70°
46°
9
72°
55°
10
81°
61°
11
73°
52°
12
75°
52°
13
79°
54°
14
72°
47°
15
81°
59°
16
82°
61°
17
89°
64°
18
89°
68°
19
90°
68°
20
83°
65°
21
80°
61°
22
84°
63°
23
81°
60°
24
83°
64°
25
83°
65°
26
85°
66°
27
92°
71°
28
82°
64°
29
82°
65°
30
79°
64°
31
80°
61°
1
80°
62°
2
83°
64°
3
85°
65°
4
87°
66°
5
87°
67°
6
86°
67°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Simcoe
Simcoe's May 2026 forecast shows daily high temperatures ranging from 72° to 92°, with overnight lows between 47° and 71°. The average high for May is 84° with an average low of 64°. 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 Simcoe. See also: June | July | August.
