S
M
T
W
T
F
S
31
73°
51°
1
N/A
2
78°
47°
3
86°
54°
4
84°
57°
5
77°
52°
6
69°
50°
7
73°
52°
8
78°
54°
9
78°
56°
10
80°
56°
11
80°
55°
12
79°
57°
13
79°
49°
14
76°
57°
15
61°
42°
16
61°
44°
17
63°
48°
18
66°
50°
19
69°
52°
20
69°
52°
21
73°
53°
22
73°
54°
23
65°
50°
24
65°
48°
25
64°
48°
26
65°
52°
27
67°
53°
28
66°
54°
29
67°
52°
30
68°
51°
1
68°
55°
2
70°
56°
3
73°
54°
4
68°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
June Weather in Eureka
Eureka's June 2026 forecast shows daily high temperatures ranging from 61° to 86°, with overnight lows between 42° and 57°. The average high for June is 71° with an average low of 52°. 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.
