S
M
T
W
T
F
S
26
59°
38°
27
70°
32°
28
65°
36°
29
63°
41°
30
56°
42°
1
63°
34°
2
58°
45°
3
57°
36°
4
70°
34°
5
78°
50°
6
67°
54°
7
61°
39°
8
58°
41°
9
61°
46°
10
69°
50°
11
60°
44°
12
64°
38°
13
67°
47°
14
65°
50°
15
64°
48°
16
77°
43°
17
88°
60°
18
88°
62°
19
95°
70°
20
91°
50°
21
64°
43°
22
64°
49°
23
62°
52°
24
67°
53°
25
68°
54°
26
70°
54°
27
72°
51°
28
72°
52°
29
73°
56°
30
76°
51°
31
70°
54°
1
70°
54°
2
67°
52°
3
65°
52°
4
66°
56°
5
70°
55°
6
72°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Patterson
Patterson's May 2026 forecast shows daily high temperatures ranging from 62° to 95°, with overnight lows between 43° and 70°. The average high for May is 73° with an average low of 54°. 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 Patterson. See also: June | July | August.