S
M
T
W
T
F
S
28
93°
73°
29
97°
72°
30
99°
74°
1
99°
72°
2
99°
71°
3
97°
74°
4
98°
72°
5
95°
74°
6
93°
71°
7
94°
70°
8
96°
71°
9
91°
71°
10
94°
71°
11
95°
73°
12
93°
74°
13
84°
71°
14
81°
71°
15
85°
71°
16
88°
72°
17
90°
71°
18
91°
70°
19
93°
72°
20
92°
73°
21
95°
72°
22
90°
69°
23
89°
70°
24
87°
71°
25
86°
73°
26
93°
72°
27
93°
75°
28
92°
75°
29
92°
74°
30
94°
75°
31
94°
75°
1
93°
74°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Helena
Helena's July 2026 forecast shows daily high temperatures ranging from 81° to 95°, with overnight lows between 69° and 75°. The average high for July is 90° with an average low of 72°. 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 Helena. See also: August | September | October.
