S
M
T
W
T
F
S
28
84°
59°
29
88°
59°
30
88°
62°
1
96°
69°
2
101°
71°
3
100°
71°
4
95°
68°
5
82°
68°
6
70°
63°
7
70°
62°
8
84°
59°
9
86°
63°
10
86°
69°
11
84°
68°
12
84°
58°
13
85°
61°
14
90°
63°
15
90°
70°
16
83°
65°
17
83°
57°
18
77°
57°
19
79°
55°
20
79°
48°
21
77°
58°
22
82°
61°
23
77°
52°
24
80°
51°
25
82°
51°
26
83°
61°
27
81°
64°
28
73°
66°
29
76°
65°
30
76°
63°
31
84°
62°
1
85°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Big Island
Big Island's July 2026 forecast shows daily high temperatures ranging from 73° to 85°, with overnight lows between 51° and 66°. The average high for July is 80° with an average low of 62°. 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 Big Island. See also: August | September | October.
