S
M
T
W
T
F
S
31
73°
64°
1
86°
64°
2
70°
59°
3
79°
50°
4
86°
52°
5
88°
57°
6
88°
63°
7
88°
64°
8
91°
66°
9
88°
72°
10
86°
72°
11
93°
72°
12
97°
73°
13
97°
73°
14
95°
73°
15
88°
68°
16
81°
68°
17
90°
70°
18
93°
72°
19
90°
71°
20
88°
64°
21
90°
64°
22
91°
70°
23
91°
68°
24
84°
61°
25
88°
59°
26
88°
68°
27
95°
72°
28
90°
70°
29
91°
70°
30
93°
72°
1
95°
72°
2
97°
73°
3
99°
75°
4
99°
75°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Great Falls
Great Falls's June 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for June is ° with an average low of °. 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 Great Falls. See also: July | August | September.
