S
M
T
W
T
F
S
26
75°
53°
27
79°
53°
28
80°
54°
29
79°
51°
30
83°
53°
1
84°
54°
2
81°
54°
3
80°
55°
4
81°
55°
5
77°
52°
6
80°
51°
7
80°
52°
8
81°
50°
9
81°
51°
10
82°
54°
11
86°
56°
12
87°
57°
13
87°
57°
14
85°
55°
15
86°
53°
16
87°
54°
17
86°
54°
18
83°
55°
19
80°
51°
20
80°
50°
21
82°
51°
22
81°
54°
23
82°
51°
24
81°
49°
25
80°
50°
26
81°
49°
27
82°
52°
28
82°
55°
29
84°
54°
30
86°
54°
31
86°
55°
1
87°
53°
2
85°
55°
3
85°
53°
4
86°
55°
5
85°
60°
6
90°
61°
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 75° to 90°, with overnight lows between 49° and 61°. The average high for May is 83° with an average low of 53°. 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.