S
M
T
W
T
F
S
29
72°
38°
30
86°
63°
31
83°
65°
1
67°
49°
2
79°
58°
3
85°
61°
4
76°
38°
5
60°
38°
6
65°
35°
7
57°
42°
8
75°
53°
9
83°
60°
10
69°
54°
11
76°
61°
12
79°
64°
13
84°
68°
14
83°
62°
15
75°
54°
16
74°
53°
17
70°
56°
18
75°
55°
19
75°
56°
20
77°
60°
21
69°
46°
22
64°
45°
23
68°
54°
24
74°
53°
25
72°
50°
26
66°
47°
27
68°
51°
28
71°
53°
29
74°
56°
30
73°
55°
1
75°
54°
2
67°
50°
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 64° to 84°, with overnight lows between 45° and 68°. The average high for April is 73° with an average low of 55°. 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.
