S
M
T
W
T
F
S
29
90°
45°
30
90°
53°
31
84°
48°
1
76°
42°
2
82°
50°
3
81°
47°
4
66°
37°
5
72°
34°
6
74°
42°
7
74°
51°
8
84°
47°
9
88°
52°
10
83°
58°
11
74°
53°
12
83°
47°
13
83°
51°
14
82°
47°
15
77°
40°
16
83°
42°
17
78°
29°
18
64°
32°
19
71°
44°
20
75°
45°
21
84°
53°
22
89°
51°
23
82°
48°
24
69°
38°
25
70°
40°
26
68°
43°
27
71°
44°
28
74°
43°
29
76°
47°
30
78°
43°
1
80°
47°
2
80°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Santa Rosa
Santa Rosa's April 2026 forecast shows daily high temperatures ranging from 64° to 89°, with overnight lows between 29° and 53°. The average high for April is 76° with an average low of 44°. 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 Santa Rosa. See also: May | June | July.
