S
M
T
W
T
F
S
28
93°
76°
29
94°
80°
30
94°
78°
1
92°
76°
2
93°
76°
3
95°
75°
4
99°
71°
5
91°
65°
6
93°
71°
7
94°
73°
8
101°
74°
9
104°
74°
10
98°
74°
11
99°
71°
12
94°
70°
13
95°
70°
14
93°
71°
15
94°
72°
16
96°
71°
17
100°
73°
18
102°
73°
19
103°
74°
20
103°
73°
21
102°
74°
22
96°
71°
23
99°
76°
24
99°
76°
25
99°
76°
26
100°
75°
27
100°
77°
28
99°
76°
29
99°
75°
30
98°
75°
31
98°
74°
1
97°
75°
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 93° to 104°, with overnight lows between 70° and 77°. The average high for July is 99° with an average low of 74°. 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.
