S
M
T
W
T
F
S
28
77°
55°
29
72°
52°
30
75°
55°
1
75°
59°
2
73°
51°
3
78°
55°
4
79°
58°
5
80°
58°
6
78°
57°
7
78°
58°
8
84°
63°
9
87°
62°
10
84°
59°
11
80°
57°
12
78°
57°
13
78°
56°
14
77°
57°
15
74°
58°
16
72°
57°
17
73°
56°
18
73°
57°
19
72°
57°
20
68°
56°
21
70°
55°
22
72°
56°
23
73°
57°
24
75°
58°
25
75°
58°
26
74°
57°
27
75°
58°
28
74°
57°
29
70°
53°
30
71°
57°
31
69°
58°
1
73°
57°
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 87°, with overnight lows between 51° and 63°. The average high for July is 75° 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.