S
M
T
W
T
F
S
26
40°
27°
27
41°
20°
28
56°
17°
29
63°
21°
30
56°
22°
1
57°
27°
2
60°
42°
3
54°
42°
4
45°
39°
5
62°
39°
6
64°
45°
7
63°
48°
8
49°
41°
9
52°
29°
10
61°
27°
11
54°
38°
12
46°
37°
13
45°
36°
14
65°
35°
15
52°
41°
16
52°
38°
17
64°
42°
18
49°
30°
19
61°
29°
20
50°
41°
21
49°
29°
22
47°
29°
23
60°
33°
24
63°
29°
25
71°
28°
26
50°
35°
27
51°
29°
28
50°
29°
29
42°
34°
30
42°
29°
31
51°
28°
1
45°
24°
2
55°
19°
3
61°
34°
4
82°
38°
5
51°
28°
6
70°
29°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in St. Patricks
St. Patricks's May 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for May is ° with an average low of °. 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. Patricks. See also: June | July | August.