S
M
T
W
T
F
S
28
79°
67°
29
87°
69°
30
92°
72°
1
100°
74°
2
103°
77°
3
100°
75°
4
94°
72°
5
93°
70°
6
92°
69°
7
86°
67°
8
82°
66°
9
88°
67°
10
89°
68°
11
90°
66°
12
85°
69°
13
81°
63°
14
79°
63°
15
78°
64°
16
79°
64°
17
80°
65°
18
80°
65°
19
81°
69°
20
82°
69°
21
82°
70°
22
86°
70°
23
82°
69°
24
81°
70°
25
85°
69°
26
86°
70°
27
86°
70°
28
85°
69°
29
83°
70°
30
84°
66°
31
79°
64°
1
79°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Great Falls
Great Falls's July 2026 forecast shows daily high temperatures ranging from 78° to 103°, with overnight lows between 63° and 77°. The average high for July is 86° with an average low of 68°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how July weather will actually feel in Great Falls. See also: August | September | October.
