S
M
T
W
T
F
S
29
88°
48°
30
80°
50°
31
68°
57°
1
61°
55°
2
65°
43°
3
74°
38°
4
75°
39°
5
85°
46°
6
74°
45°
7
75°
45°
8
76°
49°
9
75°
52°
10
64°
53°
11
63°
49°
12
61°
43°
13
67°
43°
14
69°
41°
15
70°
50°
16
72°
45°
17
76°
48°
18
75°
50°
19
71°
50°
20
70°
49°
21
72°
49°
22
72°
50°
23
73°
48°
24
68°
47°
25
69°
49°
26
67°
47°
27
67°
48°
28
68°
46°
29
68°
46°
30
69°
47°
1
70°
49°
2
70°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Walnut Creek
Walnut Creek's April 2026 forecast shows daily high temperatures ranging from 61° to 76°, with overnight lows between 41° and 53°. The average high for April is 69° with an average low of 48°. 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 Walnut Creek. See also: May | June | July.