S
M
T
W
T
F
S
31
77°
50°
1
63°
53°
2
75°
53°
3
74°
57°
4
72°
53°
5
77°
57°
6
79°
60°
7
72°
58°
8
66°
58°
9
69°
56°
10
83°
63°
11
78°
62°
12
81°
56°
13
76°
56°
14
69°
54°
15
68°
51°
16
69°
51°
17
69°
54°
18
71°
53°
19
74°
58°
20
74°
51°
21
72°
52°
22
63°
55°
23
72°
57°
24
71°
57°
25
66°
58°
26
72°
57°
27
72°
59°
28
75°
60°
29
73°
61°
30
75°
64°
1
81°
65°
2
78°
64°
3
76°
65°
4
76°
63°
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 63° to 81°, with overnight lows between 55° and 65°. The average high for June is 73° with an average low of 60°. 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.
