S
M
T
W
T
F
S
26
48°
32°
27
48°
32°
28
46°
30°
29
54°
28°
30
66°
41°
1
73°
34°
2
72°
50°
3
57°
41°
4
57°
39°
5
50°
28°
6
54°
23°
7
57°
27°
8
57°
27°
9
57°
28°
10
61°
32°
11
57°
41°
12
43°
41°
13
45°
41°
14
54°
41°
15
57°
45°
16
57°
43°
17
57°
41°
18
61°
39°
19
54°
41°
20
66°
39°
21
63°
45°
22
68°
50°
23
73°
52°
24
N/A
25
65°
47°
26
66°
44°
27
56°
42°
28
61°
44°
29
67°
48°
30
65°
45°
31
63°
50°
1
64°
46°
2
61°
45°
3
62°
46°
4
64°
49°
5
63°
46°
6
68°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
May Weather in Upplands Vasby
Upplands Vasby's May 2026 forecast shows daily high temperatures ranging from 56° to 68°, with overnight lows between 42° and 54°. The average high for May is 63° with an average low of 47°. 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 Upplands Vasby. See also: June | July | August.
