S
M
T
W
T
F
S
28
92°
77°
29
93°
76°
30
95°
73°
1
97°
73°
2
95°
73°
3
97°
75°
4
94°
74°
5
90°
72°
6
88°
73°
7
88°
72°
8
90°
73°
9
90°
74°
10
92°
73°
11
90°
75°
12
91°
74°
13
90°
73°
14
90°
73°
15
93°
75°
16
90°
72°
17
89°
72°
18
89°
70°
19
92°
75°
20
93°
77°
21
94°
78°
22
94°
77°
23
95°
77°
24
95°
78°
25
94°
78°
26
95°
77°
27
96°
78°
28
95°
78°
29
94°
77°
30
95°
78°
31
95°
77°
1
91°
76°
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 88° to 97°, with overnight lows between 70° and 78°. The average high for July is 92° with an average low of 75°. 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.
