S
M
T
W
T
F
S
28
66°
59°
29
66°
57°
30
68°
57°
1
68°
57°
2
72°
54°
3
72°
52°
4
68°
59°
5
68°
59°
6
75°
59°
7
70°
59°
8
82°
59°
9
81°
59°
10
N/A
11
91°
60°
12
89°
56°
13
85°
60°
14
88°
64°
15
86°
65°
16
86°
65°
17
81°
63°
18
80°
60°
19
78°
59°
20
77°
59°
21
77°
60°
22
76°
59°
23
77°
60°
24
71°
57°
25
69°
56°
26
68°
55°
27
69°
55°
28
69°
54°
29
70°
56°
30
71°
57°
31
73°
56°
1
73°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
July Weather in St Mellons
St Mellons's July 2026 forecast shows daily high temperatures ranging from 68° to 91°, with overnight lows between 54° and 65°. The average high for July is 77° 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 Mellons. See also: August | September | October.
