S
M
T
W
T
F
S
28
93°
73°
29
93°
73°
30
96°
77°
1
97°
74°
2
97°
75°
3
95°
72°
4
94°
72°
5
90°
70°
6
88°
72°
7
89°
70°
8
88°
69°
9
89°
67°
10
88°
68°
11
88°
71°
12
91°
71°
13
90°
70°
14
88°
67°
15
84°
64°
16
85°
65°
17
84°
64°
18
85°
65°
19
90°
71°
20
91°
72°
21
92°
72°
22
91°
71°
23
92°
72°
24
93°
72°
25
93°
73°
26
92°
73°
27
94°
72°
28
93°
73°
29
94°
72°
30
93°
73°
31
93°
71°
1
91°
70°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Herculaneum
Herculaneum's July 2026 forecast shows daily high temperatures ranging from 84° to 97°, with overnight lows between 64° and 75°. The average high for July is 91° with an average low of 70°. 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 Herculaneum. See also: August | September | October.
