S
M
T
W
T
F
S
28
63°
51°
29
63°
50°
30
62°
51°
1
63°
52°
2
62°
53°
3
61°
53°
4
61°
53°
5
61°
52°
6
60°
52°
7
58°
53°
8
60°
53°
9
60°
52°
10
63°
52°
11
64°
54°
12
64°
51°
13
60°
51°
14
59°
52°
15
65°
54°
16
66°
51°
17
65°
54°
18
64°
55°
19
62°
53°
20
63°
53°
21
68°
52°
22
73°
55°
23
68°
56°
24
68°
52°
25
70°
54°
26
68°
56°
27
67°
57°
28
70°
58°
29
67°
52°
30
65°
48°
31
67°
55°
1
68°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Arcata
Arcata's July 2026 forecast shows daily high temperatures ranging from 65° to 70°, with overnight lows between 48° and 58°. The average high for July is 67° 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 Arcata. See also: August | September | October.
