S
M
T
W
T
F
S
28
63°
55°
29
59°
57°
30
57°
55°
1
55°
52°
2
63°
51°
3
64°
54°
4
63°
57°
5
61°
55°
6
57°
54°
7
55°
54°
8
64°
51°
9
63°
51°
10
63°
54°
11
62°
50°
12
64°
55°
13
64°
52°
14
61°
57°
15
55°
54°
16
64°
51°
17
65°
47°
18
80°
48°
19
77°
55°
20
75°
55°
21
59°
54°
22
57°
55°
23
66°
55°
24
68°
52°
25
71°
54°
26
66°
54°
27
68°
48°
28
69°
53°
29
65°
57°
30
65°
48°
31
68°
49°
1
66°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Coos Bay
Coos Bay's July 2026 forecast shows daily high temperatures ranging from 66° to 66°, with overnight lows between 51° and 51°. The average high for July is 66° 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 July weather will actually feel in Coos Bay. See also: August | September | October.