S
M
T
W
T
F
S
26
82°
62°
27
79°
60°
28
82°
63°
29
76°
62°
30
82°
63°
1
78°
63°
2
81°
64°
3
85°
65°
4
86°
64°
5
81°
58°
6
76°
56°
7
77°
57°
8
78°
61°
9
83°
61°
10
79°
58°
11
78°
58°
12
79°
62°
13
86°
66°
14
87°
66°
15
87°
67°
16
88°
68°
17
88°
68°
18
88°
67°
19
88°
68°
20
87°
68°
21
87°
67°
22
82°
67°
23
82°
63°
24
83°
66°
25
88°
67°
26
83°
63°
27
85°
66°
28
86°
69°
29
90°
70°
30
89°
69°
31
91°
70°
1
91°
65°
2
90°
66°
3
87°
65°
4
85°
65°
5
85°
66°
6
86°
66°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Martinez
Martinez's May 2026 forecast shows daily high temperatures ranging from 76° to 91°, with overnight lows between 56° and 70°. The average high for May is 84° with an average low of 64°. 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 Martinez. See also: June | July | August.
