S
M
T
W
T
F
S
28
82°
59°
29
83°
61°
30
94°
70°
1
97°
75°
2
94°
74°
3
95°
74°
4
81°
72°
5
80°
67°
6
80°
64°
7
80°
66°
8
86°
69°
9
85°
68°
10
82°
65°
11
81°
64°
12
83°
65°
13
87°
69°
14
90°
70°
15
88°
67°
16
85°
64°
17
81°
63°
18
79°
63°
19
80°
64°
20
81°
58°
21
74°
55°
22
75°
56°
23
75°
58°
24
76°
60°
25
78°
62°
26
76°
61°
27
76°
59°
28
78°
63°
29
82°
63°
30
79°
62°
31
79°
63°
1
82°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Mississauga
Mississauga's July 2026 forecast shows daily high temperatures ranging from 74° to 90°, with overnight lows between 55° and 70°. The average high for July is 81° with an average low of 63°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how July weather will actually feel in Mississauga. See also: August | September | October.
