S
M
T
W
T
F
S
28
94°
76°
29
96°
73°
30
96°
74°
1
94°
73°
2
95°
75°
3
95°
76°
4
96°
76°
5
94°
75°
6
90°
73°
7
91°
74°
8
89°
74°
9
89°
75°
10
92°
74°
11
90°
73°
12
91°
75°
13
93°
76°
14
92°
75°
15
91°
75°
16
90°
72°
17
86°
70°
18
90°
73°
19
92°
76°
20
92°
75°
21
88°
75°
22
90°
76°
23
92°
76°
24
92°
75°
25
91°
75°
26
92°
76°
27
91°
76°
28
93°
75°
29
93°
76°
30
92°
76°
31
93°
75°
1
93°
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 86° to 96°, with overnight lows between 70° and 76°. 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.
