S
M
T
W
T
F
S
28
N/A
29
75°
58°
30
74°
55°
1
76°
59°
2
75°
52°
3
77°
57°
4
78°
56°
5
79°
60°
6
83°
60°
7
86°
61°
8
88°
62°
9
87°
61°
10
86°
63°
11
87°
62°
12
73°
57°
13
73°
56°
14
71°
56°
15
71°
54°
16
70°
56°
17
73°
57°
18
72°
56°
19
69°
54°
20
68°
56°
21
72°
57°
22
73°
58°
23
72°
58°
24
73°
57°
25
73°
58°
26
74°
57°
27
74°
57°
28
73°
58°
29
74°
58°
30
76°
59°
31
77°
60°
1
78°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Northampton
Northampton's July 2026 forecast shows daily high temperatures ranging from 68° to 88°, with overnight lows between 52° and 63°. The average high for July is 76° with an average low of 58°. 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 Northampton. See also: August | September | October.