S
M
T
W
T
F
S
28
86°
64°
29
92°
68°
30
95°
76°
1
99°
79°
2
96°
77°
3
99°
71°
4
88°
71°
5
78°
68°
6
79°
66°
7
81°
67°
8
86°
69°
9
85°
67°
10
82°
64°
11
81°
62°
12
82°
63°
13
82°
64°
14
82°
64°
15
85°
68°
16
84°
65°
17
85°
64°
18
82°
65°
19
85°
67°
20
81°
60°
21
79°
60°
22
80°
61°
23
80°
61°
24
81°
65°
25
83°
66°
26
80°
66°
27
81°
67°
28
86°
67°
29
87°
66°
30
86°
67°
31
84°
67°
1
85°
66°
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 78° to 88°, with overnight lows between 60° and 71°. The average high for July is 83° with an average low of 65°. 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.
