S
M
T
W
T
F
S
31
69°
50°
1
68°
48°
2
69°
53°
3
77°
57°
4
78°
57°
5
78°
58°
6
70°
58°
7
74°
57°
8
78°
49°
9
71°
49°
10
71°
55°
11
77°
60°
12
81°
59°
13
74°
55°
14
74°
60°
15
81°
60°
16
81°
61°
17
73°
53°
18
73°
51°
19
72°
51°
20
73°
56°
21
80°
62°
22
82°
58°
23
77°
60°
24
75°
56°
25
75°
54°
26
76°
55°
27
80°
56°
28
79°
57°
29
77°
56°
30
78°
56°
1
78°
58°
2
79°
53°
3
74°
54°
4
76°
58°
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 82°, with overnight lows between 48° and 62°. The average high for June is 76° with an average low of 56°. 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.
