S
M
T
W
T
F
S
26
41°
32°
27
45°
32°
28
50°
30°
29
54°
28°
30
54°
27°
1
63°
31°
2
75°
37°
3
67°
42°
4
56°
40°
5
46°
25°
6
54°
21°
7
61°
32°
8
68°
36°
9
63°
39°
10
72°
34°
11
88°
45°
12
73°
46°
13
90°
48°
14
75°
45°
15
75°
37°
16
77°
43°
17
55°
41°
18
43°
30°
19
59°
27°
20
68°
32°
21
61°
39°
22
61°
37°
23
72°
37°
24
81°
45°
25
86°
45°
26
87°
60°
27
82°
57°
28
78°
55°
29
85°
59°
30
74°
50°
31
79°
51°
1
75°
47°
2
70°
54°
3
76°
58°
4
76°
57°
5
80°
57°
6
77°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Upton
Upton's May 2026 forecast shows daily high temperatures ranging from 70° to 87°, with overnight lows between 47° and 60°. The average high for May is 78° with an average low of 55°. 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 Upton. See also: June | July | August.
