S
M
T
W
T
F
S
29
73°
43°
30
64°
48°
31
61°
55°
1
64°
56°
2
59°
45°
3
72°
39°
4
77°
45°
5
73°
46°
6
64°
51°
7
59°
53°
8
62°
49°
9
62°
53°
10
64°
57°
11
63°
54°
12
59°
51°
13
60°
48°
14
60°
55°
15
60°
51°
16
65°
45°
17
68°
44°
18
61°
41°
19
61°
48°
20
67°
47°
21
61°
53°
22
62°
49°
23
62°
45°
24
62°
54°
25
57°
54°
26
61°
50°
27
62°
51°
28
64°
52°
29
64°
53°
30
60°
53°
1
62°
50°
2
58°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Half Moon Bay
Half Moon Bay's April 2026 forecast shows daily high temperatures ranging from 58° to 64°, with overnight lows between 49° and 53°. The average high for April is 62° with an average low of 51°. 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 Half Moon Bay. See also: May | June | July.
