S
M
T
W
T
F
S
28
72°
58°
29
70°
57°
30
71°
59°
1
77°
56°
2
71°
54°
3
72°
57°
4
71°
58°
5
70°
59°
6
71°
58°
7
72°
57°
8
73°
60°
9
73°
60°
10
76°
61°
11
73°
61°
12
74°
60°
13
76°
62°
14
77°
59°
15
73°
57°
16
74°
59°
17
74°
59°
18
75°
57°
19
77°
61°
20
75°
54°
21
77°
59°
22
81°
62°
23
82°
55°
24
78°
53°
25
73°
54°
26
73°
52°
27
74°
55°
28
74°
59°
29
75°
60°
30
80°
61°
31
81°
62°
1
82°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Barrie
Barrie's July 2026 forecast shows daily high temperatures ranging from 70° to 82°, with overnight lows between 52° and 62°. The average high for July is 75° 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 July weather will actually feel in Barrie. See also: August | September | October.