S
M
T
W
T
F
S
28
63°
51°
29
60°
50°
30
60°
47°
1
59°
49°
2
60°
50°
3
59°
49°
4
60°
48°
5
61°
50°
6
61°
49°
7
62°
53°
8
60°
53°
9
60°
51°
10
65°
54°
11
64°
55°
12
65°
55°
13
65°
54°
14
64°
55°
15
64°
53°
16
66°
55°
17
66°
54°
18
65°
54°
19
65°
55°
20
64°
56°
21
66°
55°
22
66°
56°
23
64°
54°
24
65°
55°
25
66°
56°
26
66°
56°
27
65°
55°
28
66°
56°
29
66°
56°
30
65°
55°
31
65°
53°
1
62°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Eureka
Eureka's July 2026 forecast shows daily high temperatures ranging from 59° to 66°, with overnight lows between 47° and 56°. The average high for July is 63° with an average low of 53°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how July weather will actually feel in Eureka. See also: August | September | October.
