S
M
T
W
T
F
S
28
84°
58°
29
87°
61°
30
90°
69°
1
90°
72°
2
90°
74°
3
89°
72°
4
80°
69°
5
79°
63°
6
78°
62°
7
81°
63°
8
84°
69°
9
82°
70°
10
79°
61°
11
78°
62°
12
80°
61°
13
81°
64°
14
78°
64°
15
78°
63°
16
80°
64°
17
79°
62°
18
77°
72°
19
79°
66°
20
76°
59°
21
75°
59°
22
76°
61°
23
76°
63°
24
77°
65°
25
78°
65°
26
77°
64°
27
77°
65°
28
79°
66°
29
82°
66°
30
78°
65°
31
78°
66°
1
81°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Niagara
Niagara's July 2026 forecast shows daily high temperatures ranging from 75° to 84°, with overnight lows between 59° and 72°. The average high for July is 79° 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 July weather will actually feel in Niagara. See also: August | September | October.
