S
M
T
W
T
F
S
28
88°
49°
29
91°
52°
30
83°
55°
1
82°
56°
2
87°
52°
3
90°
56°
4
88°
54°
5
85°
55°
6
86°
54°
7
82°
53°
8
87°
53°
9
94°
53°
10
89°
54°
11
93°
63°
12
95°
67°
13
98°
63°
14
99°
62°
15
96°
56°
16
89°
56°
17
90°
58°
18
89°
56°
19
93°
56°
20
91°
57°
21
95°
57°
22
92°
58°
23
89°
56°
24
84°
57°
25
85°
56°
26
88°
57°
27
89°
59°
28
90°
60°
29
90°
59°
30
91°
60°
31
91°
59°
1
89°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in St. Helena
St. Helena's July 2026 forecast shows daily high temperatures ranging from 84° to 99°, with overnight lows between 54° and 67°. The average high for July is 91° with an average low of 58°. 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 St. Helena. See also: August | September | October.
