S
M
T
W
T
F
S
26
87°
71°
27
88°
72°
28
86°
72°
29
86°
70°
30
85°
68°
1
69°
55°
2
75°
51°
3
76°
54°
4
77°
59°
5
79°
70°
6
82°
70°
7
78°
60°
8
77°
62°
9
80°
66°
10
81°
70°
11
82°
70°
12
84°
68°
13
83°
68°
14
82°
67°
15
83°
71°
16
83°
71°
17
84°
70°
18
84°
72°
19
83°
72°
20
84°
71°
21
84°
72°
22
81°
72°
23
82°
71°
24
81°
72°
25
81°
72°
26
82°
72°
27
82°
72°
28
83°
73°
29
83°
73°
30
85°
72°
31
85°
73°
1
86°
74°
2
85°
74°
3
86°
75°
4
87°
75°
5
85°
74°
6
84°
72°
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 69° to 87°, with overnight lows between 51° and 75°. The average high for May is 82° with an average low of 69°. 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.