S
M
T
W
T
F
S
26
88°
66°
27
86°
66°
28
88°
68°
29
88°
66°
30
90°
64°
1
90°
68°
2
93°
70°
3
93°
72°
4
88°
72°
5
88°
70°
6
90°
68°
7
91°
73°
8
90°
73°
9
95°
75°
10
90°
75°
11
91°
73°
12
90°
72°
13
90°
72°
14
88°
73°
15
84°
72°
16
90°
72°
17
90°
72°
18
91°
73°
19
91°
72°
20
86°
72°
21
88°
72°
22
90°
72°
23
91°
72°
24
91°
73°
25
91°
75°
26
91°
73°
27
91°
73°
28
91°
72°
29
90°
73°
30
88°
73°
31
91°
75°
1
93°
71°
2
93°
72°
3
90°
70°
4
88°
70°
5
90°
69°
6
88°
69°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Union De Reyes
Union De Reyes's May 2026 forecast shows daily high temperatures ranging from 88° to 93°, with overnight lows between 69° and 72°. The average high for May is 90° with an average low of 70°. 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 Union De Reyes. See also: June | July | August.
