S
M
T
W
T
F
S
28
85°
67°
29
91°
72°
30
91°
72°
1
91°
70°
2
93°
72°
3
95°
73°
4
90°
70°
5
86°
70°
6
88°
70°
7
86°
68°
8
86°
68°
9
88°
70°
10
86°
70°
11
81°
70°
12
84°
68°
13
88°
68°
14
91°
69°
15
91°
70°
16
94°
73°
17
88°
73°
18
85°
69°
19
84°
67°
20
85°
65°
21
81°
62°
22
80°
62°
23
82°
63°
24
84°
65°
25
85°
65°
26
86°
64°
27
86°
68°
28
88°
66°
29
81°
62°
30
81°
67°
31
82°
65°
1
83°
67°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Dupont
Dupont's July 2026 forecast shows daily high temperatures ranging from 80° to 94°, with overnight lows between 62° and 73°. The average high for July is 85° with an average low of 67°. 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 Dupont. See also: August | September | October.