S
M
T
W
T
F
S
28
64°
59°
29
64°
57°
30
64°
59°
1
64°
59°
2
63°
57°
3
65°
58°
4
65°
57°
5
65°
57°
6
65°
55°
7
67°
55°
8
73°
56°
9
73°
54°
10
72°
54°
11
69°
53°
12
71°
55°
13
72°
53°
14
72°
54°
15
73°
55°
16
68°
56°
17
67°
56°
18
67°
55°
19
66°
56°
20
63°
56°
21
63°
55°
22
65°
56°
23
67°
57°
24
68°
57°
25
69°
56°
26
68°
57°
27
68°
56°
28
63°
55°
29
63°
53°
30
62°
56°
31
65°
57°
1
66°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Penmachno
Penmachno's July 2026 forecast shows daily high temperatures ranging from 62° to 73°, with overnight lows between 53° and 58°. The average high for July is 67° with an average low of 56°. 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 Penmachno. See also: August | September | October.