S
M
T
W
T
F
S
26
53°
46°
27
54°
45°
28
55°
46°
29
54°
43°
30
54°
44°
31
55°
47°
1
56°
49°
2
52°
43°
3
48°
39°
4
48°
41°
5
51°
42°
6
51°
45°
7
55°
39°
8
56°
41°
9
55°
40°
10
56°
39°
11
56°
41°
12
57°
40°
13
56°
39°
14
55°
40°
15
57°
40°
16
56°
40°
17
53°
41°
18
53°
41°
19
52°
40°
20
53°
41°
21
53°
41°
22
54°
40°
23
53°
41°
24
53°
41°
25
54°
40°
26
53°
41°
27
53°
41°
28
54°
40°
29
54°
40°
30
53°
41°
31
53°
41°
1
54°
40°
2
53°
41°
3
52°
41°
4
52°
40°
5
53°
41°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Mauna Loa Observatory
Mauna Loa Observatory's August 2026 forecast shows daily high temperatures ranging from 48° to 57°, with overnight lows between 39° and 45°. The average high for August is 53° with an average low of 41°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Mauna Loa Observatory. See also: September | October | November.
