S
M
T
W
T
F
S
26
62°
51°
27
63°
47°
28
65°
42°
29
71°
49°
30
71°
58°
1
65°
49°
2
60°
50°
3
63°
47°
4
79°
53°
5
83°
62°
6
78°
63°
7
70°
50°
8
69°
47°
9
79°
55°
10
84°
60°
11
69°
44°
12
69°
43°
13
77°
55°
14
67°
56°
15
73°
48°
16
84°
52°
17
90°
67°
18
93°
72°
19
94°
73°
20
94°
72°
21
87°
64°
22
65°
58°
23
69°
58°
24
74°
63°
25
84°
69°
26
76°
69°
27
88°
69°
28
82°
59°
29
78°
63°
30
75°
58°
31
72°
59°
1
76°
57°
2
77°
59°
3
76°
60°
4
79°
62°
5
82°
65°
6
81°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Northampton
Northampton's May 2026 forecast shows daily high temperatures ranging from 72° to 88°, with overnight lows between 57° and 69°. The average high for May is 79° with an average low of 61°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Northampton. See also: June | July | August.
