S
M
T
W
T
F
S
31
72°
45°
1
69°
48°
2
76°
45°
3
80°
48°
4
79°
53°
5
84°
54°
6
80°
61°
7
74°
57°
8
82°
54°
9
84°
59°
10
81°
69°
11
87°
69°
12
80°
62°
13
82°
60°
14
74°
54°
15
65°
50°
16
75°
55°
17
73°
56°
18
75°
61°
19
73°
57°
20
72°
52°
21
75°
56°
22
67°
59°
23
75°
53°
24
76°
56°
25
72°
56°
26
72°
56°
27
78°
54°
28
84°
58°
29
87°
61°
30
90°
69°
1
90°
72°
2
91°
72°
3
91°
70°
4
85°
68°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Niagara Falls
Niagara Falls's June 2026 forecast shows daily high temperatures ranging from 85° to 91°, with overnight lows between 68° and 72°. The average high for June is 89° with an average low of 70°. 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 Falls. See also: July | August | September.
