S
M
T
W
T
F
S
29
88°
52°
30
78°
54°
31
69°
57°
1
62°
56°
2
70°
45°
3
78°
43°
4
76°
46°
5
87°
50°
6
70°
51°
7
73°
49°
8
72°
52°
9
75°
53°
10
63°
56°
11
61°
53°
12
59°
48°
13
69°
49°
14
65°
47°
15
64°
44°
16
76°
49°
17
75°
44°
18
74°
44°
19
74°
51°
20
65°
46°
21
64°
52°
22
61°
49°
23
74°
47°
24
69°
48°
25
57°
52°
26
63°
53°
27
67°
46°
28
73°
46°
29
72°
49°
30
78°
47°
1
76°
48°
2
61°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Martinez
Martinez's April 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for April is ° with an average low of °. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how April weather will actually feel in Martinez. See also: May | June | July.