S
M
T
W
T
F
S
26
75°
59°
27
77°
57°
28
82°
63°
29
90°
61°
30
73°
59°
31
75°
57°
1
75°
50°
2
77°
54°
3
82°
57°
4
84°
59°
5
77°
57°
6
70°
54°
7
75°
48°
8
82°
50°
9
86°
59°
10
75°
57°
11
79°
52°
12
90°
54°
13
100°
65°
14
87°
60°
15
79°
55°
16
74°
55°
17
74°
61°
18
78°
56°
19
72°
52°
20
71°
53°
21
69°
51°
22
68°
52°
23
67°
52°
24
67°
51°
25
68°
53°
26
66°
52°
27
65°
50°
28
65°
50°
29
68°
55°
30
66°
53°
31
66°
54°
1
67°
52°
2
66°
49°
3
66°
49°
4
68°
54°
5
70°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Northampton
Northampton's August 2026 forecast shows daily high temperatures ranging from 65° to 100°, with overnight lows between 49° and 65°. The average high for August is 71° with an average low of 54°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Northampton. See also: September | October | November.
