S
M
T
W
T
F
S
31
77°
61°
1
82°
62°
2
89°
58°
3
79°
61°
4
75°
52°
5
78°
59°
6
86°
65°
7
88°
64°
8
77°
57°
9
84°
63°
10
84°
63°
11
83°
57°
12
75°
56°
13
69°
53°
14
68°
52°
15
69°
48°
16
68°
50°
17
75°
54°
18
71°
55°
19
71°
59°
20
76°
54°
21
71°
51°
22
70°
59°
23
76°
61°
24
77°
55°
25
70°
51°
26
70°
54°
27
72°
60°
28
72°
60°
29
73°
61°
30
73°
60°
1
75°
61°
2
77°
62°
3
80°
62°
4
76°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Niagara
Niagara's June 2026 forecast shows daily high temperatures ranging from 68° to 88°, with overnight lows between 48° and 65°. The average high for June is 75° with an average low of 57°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how June weather will actually feel in Niagara. See also: July | August | September.
