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
84°
56°
11
93°
62°
12
92°
67°
13
103°
68°
14
101°
62°
15
100°
61°
16
92°
56°
17
88°
58°
18
89°
59°
19
96°
60°
20
91°
57°
21
92°
57°
22
92°
58°
23
90°
56°
24
89°
57°
25
85°
56°
26
88°
57°
27
90°
60°
28
88°
59°
29
86°
58°
30
85°
56°
31
85°
56°
1
86°
57°
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 85° to 103°, with overnight lows between 56° and 68°. The average high for July is 91° with an average low of 59°. 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.
