S
M
T
W
T
F
S
29
89°
55°
30
80°
54°
31
69°
58°
1
71°
56°
2
69°
54°
3
80°
50°
4
86°
50°
5
86°
56°
6
78°
57°
7
79°
53°
8
80°
54°
9
77°
54°
10
75°
58°
11
71°
54°
12
64°
51°
13
65°
49°
14
71°
46°
15
75°
49°
16
72°
53°
17
77°
49°
18
82°
52°
19
80°
55°
20
76°
52°
21
67°
50°
22
70°
49°
23
73°
48°
24
74°
52°
25
66°
53°
26
65°
51°
27
64°
47°
28
75°
50°
29
72°
52°
30
75°
54°
1
81°
55°
2
82°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in San Dimas
San Dimas's April 2026 forecast shows daily high temperatures ranging from 64° to 82°, with overnight lows between 47° and 56°. The average high for April is 75° with an average low of 52°. 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 San Dimas. See also: May | June | July.
