S
M
T
W
T
F
S
28
82°
59°
29
83°
61°
30
94°
70°
1
96°
75°
2
94°
70°
3
91°
66°
4
84°
64°
5
77°
63°
6
84°
62°
7
83°
61°
8
84°
60°
9
85°
62°
10
83°
61°
11
86°
61°
12
85°
63°
13
84°
62°
14
81°
56°
15
74°
54°
16
75°
55°
17
75°
57°
18
77°
57°
19
79°
60°
20
81°
60°
21
78°
59°
22
80°
60°
23
77°
60°
24
77°
59°
25
78°
60°
26
79°
61°
27
81°
61°
28
82°
60°
29
81°
62°
30
82°
61°
31
82°
61°
1
80°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in East Gwillimbury
East Gwillimbury's July 2026 forecast shows daily high temperatures ranging from 74° to 96°, with overnight lows between 54° and 75°. The average high for July is 82° with an average low of 61°. 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 East Gwillimbury. See also: August | September | October.