S
M
T
W
T
F
S
28
83°
70°
29
85°
71°
30
86°
70°
1
84°
71°
2
83°
70°
3
85°
71°
4
86°
69°
5
85°
70°
6
86°
70°
7
78°
72°
8
80°
72°
9
80°
71°
10
79°
70°
11
80°
70°
12
79°
69°
13
79°
69°
14
78°
70°
15
79°
70°
16
80°
69°
17
79°
71°
18
80°
72°
19
80°
71°
20
81°
70°
21
79°
69°
22
80°
68°
23
79°
70°
24
80°
70°
25
81°
71°
26
80°
70°
27
80°
69°
28
81°
69°
29
80°
68°
30
79°
69°
31
79°
69°
1
80°
71°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Hilo
Hilo's July 2026 forecast shows daily high temperatures ranging from 78° to 86°, with overnight lows between 68° and 72°. The average high for July is 81° with an average low of 70°. 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 Hilo. See also: August | September | October.
