S
M
T
W
T
F
S
28
81°
64°
29
86°
69°
30
89°
69°
1
88°
70°
2
87°
69°
3
83°
66°
4
82°
64°
5
83°
63°
6
82°
63°
7
82°
64°
8
83°
70°
9
84°
71°
10
84°
65°
11
83°
65°
12
85°
64°
13
84°
68°
14
85°
69°
15
86°
65°
16
84°
66°
17
85°
70°
18
87°
70°
19
90°
69°
20
86°
70°
21
86°
70°
22
87°
69°
23
86°
70°
24
89°
68°
25
85°
66°
26
84°
65°
27
87°
70°
28
89°
69°
29
89°
65°
30
88°
64°
31
83°
63°
1
83°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Glassboro
Glassboro's July 2026 forecast shows daily high temperatures ranging from 81° to 90°, with overnight lows between 63° and 71°. 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 Glassboro. See also: August | September | October.