S
M
T
W
T
F
S
26
57°
43°
27
73°
43°
28
59°
52°
29
61°
54°
30
70°
46°
1
70°
41°
2
61°
46°
3
66°
39°
4
79°
46°
5
86°
59°
6
72°
55°
7
72°
54°
8
72°
45°
9
70°
55°
10
81°
52°
11
66°
52°
12
73°
45°
13
75°
55°
14
61°
52°
15
72°
52°
16
86°
52°
17
90°
63°
18
99°
69°
19
100°
72°
20
94°
56°
21
68°
54°
22
62°
50°
23
69°
56°
24
79°
58°
25
78°
57°
26
81°
58°
27
80°
58°
28
80°
57°
29
82°
57°
30
80°
56°
31
84°
54°
1
81°
58°
2
77°
58°
3
74°
59°
4
78°
58°
5
76°
55°
6
77°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Upperco
Upperco's May 2026 forecast shows daily high temperatures ranging from 62° to 100°, with overnight lows between 50° and 72°. The average high for May is 80° with an average low of 58°. 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 Upperco. See also: June | July | August.