S
M
T
W
T
F
S
28
77°
55°
29
72°
52°
30
75°
55°
1
75°
60°
2
74°
50°
3
78°
57°
4
79°
56°
5
81°
57°
6
84°
61°
7
86°
63°
8
83°
60°
9
81°
59°
10
80°
61°
11
81°
59°
12
79°
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 86°, with overnight lows between 50° and 63°. The average high for July is 76° with an average low of 57°. 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.