S
M
T
W
T
F
S
31
58°
46°
1
60°
49°
2
61°
50°
3
61°
49°
4
62°
49°
5
63°
52°
6
63°
50°
7
58°
52°
8
58°
50°
9
62°
52°
10
61°
52°
11
61°
51°
12
64°
52°
13
65°
53°
14
63°
49°
15
60°
49°
16
62°
50°
17
59°
48°
18
64°
49°
19
64°
50°
20
65°
53°
21
65°
53°
22
59°
54°
23
62°
55°
24
66°
55°
25
67°
54°
26
66°
55°
27
65°
49°
28
66°
50°
29
66°
52°
30
62°
51°
1
59°
54°
2
60°
55°
3
65°
55°
4
66°
54°
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 58° to 67°, with overnight lows between 46° and 55°. The average high for June is 63° 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 June weather will actually feel in Eureka. See also: July | August | September.
