S
M
T
W
T
F
S
29
75°
49°
30
75°
54°
31
66°
52°
1
56°
41°
2
57°
28°
3
46°
25°
4
54°
29°
5
69°
29°
6
71°
43°
7
61°
42°
8
61°
45°
9
62°
43°
10
57°
41°
11
49°
38°
12
51°
28°
13
44°
26°
14
47°
28°
15
53°
34°
16
61°
35°
17
60°
37°
18
55°
36°
19
54°
34°
20
54°
26°
21
45°
22°
22
46°
22°
23
48°
25°
24
50°
29°
25
53°
24°
26
50°
23°
27
53°
25°
28
57°
27°
29
56°
28°
30
55°
28°
1
56°
29°
2
59°
31°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Eureka
Eureka's April 2026 forecast shows daily high temperatures ranging from 44° to 62°, with overnight lows between 22° and 45°. The average high for April is 54° with an average low of 31°. 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 Eureka. See also: May | June | July.
