S
M
T
W
T
F
S
28
91°
73°
29
92°
73°
30
93°
73°
1
93°
73°
2
95°
74°
3
95°
74°
4
91°
72°
5
87°
70°
6
87°
70°
7
87°
68°
8
87°
70°
9
91°
72°
10
87°
69°
11
85°
66°
12
87°
65°
13
88°
67°
14
89°
67°
15
87°
66°
16
88°
66°
17
87°
68°
18
88°
64°
19
84°
70°
20
89°
67°
21
84°
63°
22
84°
64°
23
85°
65°
24
85°
67°
25
87°
67°
26
88°
69°
27
90°
70°
28
91°
70°
29
90°
69°
30
91°
70°
31
89°
69°
1
91°
70°
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 84° to 91°, with overnight lows between 63° and 72°. The average high for July is 88° with an average low of 68°. 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.
