S
M
T
W
T
F
S
28
86°
61°
29
92°
64°
30
N/A
1
100°
73°
2
101°
78°
3
102°
75°
4
100°
74°
5
95°
68°
6
89°
65°
7
88°
63°
8
87°
65°
9
91°
65°
10
87°
66°
11
85°
64°
12
87°
64°
13
89°
63°
14
81°
59°
15
81°
59°
16
82°
60°
17
82°
61°
18
83°
61°
19
83°
64°
20
84°
66°
21
83°
66°
22
88°
66°
23
83°
66°
24
86°
67°
25
88°
66°
26
89°
67°
27
89°
67°
28
88°
66°
29
88°
66°
30
87°
61°
31
81°
60°
1
81°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Monmouth Junction
Monmouth Junction's July 2026 forecast shows daily high temperatures ranging from 81° to 102°, with overnight lows between 59° and 78°. The average high for July is 88° with an average low of 65°. 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 Monmouth Junction. See also: August | September | October.
