S
M
T
W
T
F
S
31
61°
44°
1
62°
45°
2
59°
48°
3
66°
51°
4
61°
51°
5
61°
48°
6
61°
50°
7
60°
46°
8
60°
47°
9
63°
52°
10
62°
47°
11
62°
48°
12
63°
47°
13
64°
47°
14
58°
49°
15
60°
50°
16
62°
49°
17
60°
53°
18
60°
52°
19
62°
54°
20
63°
53°
21
60°
53°
22
60°
52°
23
60°
52°
24
60°
50°
25
59°
54°
26
63°
53°
27
63°
50°
28
63°
51°
29
60°
50°
30
60°
47°
1
59°
49°
2
60°
50°
3
59°
49°
4
60°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Eureka
Eureka's June 2026 forecast shows daily high temperatures ranging from 59° to 63°, with overnight lows between 47° and 54°. The average high for June is 61° with an average low of 50°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how June weather will actually feel in Eureka. See also: July | August | September.
