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
97°
73°
8
104°
78°
9
103°
76°
10
98°
73°
11
97°
71°
12
96°
72°
13
97°
72°
14
98°
71°
15
101°
72°
16
102°
71°
17
100°
73°
18
102°
74°
19
101°
73°
20
96°
71°
21
101°
77°
22
100°
76°
23
99°
76°
24
99°
75°
25
98°
75°
26
99°
74°
27
99°
76°
28
100°
76°
29
100°
77°
30
99°
77°
31
100°
76°
1
99°
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 96° to 104°, with overnight lows between 71° and 78°. 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.
