S
M
T
W
T
F
S
28
92°
77°
29
92°
79°
30
94°
76°
1
92°
74°
2
91°
73°
3
92°
74°
4
93°
71°
5
88°
69°
6
87°
70°
7
87°
69°
8
86°
67°
9
89°
69°
10
90°
68°
11
88°
68°
12
89°
69°
13
87°
67°
14
87°
69°
15
83°
66°
16
84°
66°
17
89°
69°
18
90°
71°
19
90°
71°
20
89°
72°
21
91°
72°
22
91°
73°
23
92°
73°
24
92°
72°
25
91°
72°
26
92°
73°
27
92°
73°
28
91°
72°
29
92°
73°
30
92°
72°
31
91°
73°
1
93°
74°
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 83° to 94°, with overnight lows between 66° and 76°. The average high for July is 90° with an average low of 71°. 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.
