S
M
T
W
T
F
S
28
80°
68°
29
88°
68°
30
92°
72°
1
100°
74°
2
103°
75°
3
100°
75°
4
94°
72°
5
96°
70°
6
93°
69°
7
83°
65°
8
84°
66°
9
85°
68°
10
86°
66°
11
87°
69°
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 75°. 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.
