S
M
T
W
T
F
S
26
38°
33°
27
39°
34°
28
41°
33°
29
40°
29°
30
36°
30°
1
34°
30°
2
35°
29°
3
37°
27°
4
35°
30°
5
35°
30°
6
35°
30°
7
36°
31°
8
38°
30°
9
39°
31°
10
38°
32°
11
38°
31°
12
39°
32°
13
39°
31°
14
38°
35°
15
38°
35°
16
39°
34°
17
38°
35°
18
38°
35°
19
39°
34°
20
39°
35°
21
40°
35°
22
39°
34°
23
40°
36°
24
40°
36°
25
41°
35°
26
40°
36°
27
42°
36°
28
41°
37°
29
41°
37°
30
42°
36°
31
41°
37°
1
42°
38°
2
42°
38°
3
43°
37°
4
43°
38°
5
44°
38°
6
43°
37°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in St. Paul
St. Paul's May 2026 forecast shows daily high temperatures ranging from 34° to 44°, with overnight lows between 27° and 38°. The average high for May is 39° with an average low of 34°. 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 St. Paul. See also: June | July | August.
