S
M
T
W
T
F
S
28
82°
68°
29
90°
69°
30
90°
69°
1
96°
72°
2
103°
78°
3
102°
79°
4
102°
76°
5
95°
72°
6
81°
73°
7
83°
69°
8
84°
70°
9
90°
71°
10
90°
73°
11
89°
71°
12
87°
70°
13
88°
68°
14
87°
68°
15
88°
69°
16
90°
70°
17
91°
69°
18
87°
70°
19
91°
72°
20
86°
67°
21
84°
67°
22
85°
68°
23
85°
68°
24
88°
69°
25
88°
69°
26
90°
70°
27
89°
73°
28
91°
74°
29
90°
74°
30
90°
73°
31
90°
74°
1
91°
72°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Claymont
Claymont's July 2026 forecast shows daily high temperatures ranging from 81° to 102°, with overnight lows between 67° and 76°. The average high for July is 89° with an average low of 71°. 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 Claymont. See also: August | September | October.