S
M
T
W
T
F
S
29
79°
58°
30
70°
57°
31
71°
64°
1
72°
61°
2
72°
60°
3
84°
57°
4
86°
55°
5
79°
58°
6
75°
62°
7
73°
58°
8
74°
60°
9
73°
61°
10
71°
63°
11
71°
61°
12
68°
59°
13
66°
57°
14
70°
55°
15
72°
56°
16
70°
58°
17
73°
57°
18
78°
57°
19
75°
60°
20
72°
57°
21
70°
57°
22
69°
57°
23
72°
57°
24
72°
59°
25
67°
57°
26
66°
56°
27
67°
57°
28
73°
54°
29
72°
55°
30
72°
59°
1
76°
58°
2
74°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Tustin
Tustin's April 2026 forecast shows daily high temperatures ranging from 72° to 76°, with overnight lows between 54° and 59°. The average high for April is 73° with an average low of 57°. 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 Tustin. See also: May | June | July.
