S
M
T
W
T
F
S
31
80°
37°
1
81°
41°
2
81°
39°
3
83°
40°
4
87°
52°
5
81°
58°
6
84°
49°
7
81°
51°
8
76°
61°
9
76°
61°
10
85°
63°
11
92°
67°
12
89°
66°
13
84°
58°
14
73°
53°
15
69°
48°
16
68°
49°
17
67°
48°
18
73°
53°
19
74°
53°
20
75°
51°
21
73°
48°
22
71°
53°
23
73°
56°
24
81°
57°
25
81°
52°
26
72°
50°
27
73°
52°
28
75°
57°
29
76°
56°
30
75°
57°
1
76°
56°
2
78°
57°
3
82°
58°
4
83°
59°
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 67° to 92°, with overnight lows between 48° and 67°. The average high for June is 77° with an average low of 55°. 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.
