S
M
T
W
T
F
S
26
77°
59°
27
77°
59°
28
76°
60°
29
78°
60°
30
77°
59°
31
70°
56°
1
69°
53°
2
72°
55°
3
77°
59°
4
77°
59°
5
78°
60°
6
77°
60°
7
72°
53°
8
78°
57°
9
77°
54°
10
74°
59°
11
78°
60°
12
79°
59°
13
74°
59°
14
74°
53°
15
73°
51°
16
74°
51°
17
70°
57°
18
69°
52°
19
69°
49°
20
70°
51°
21
68°
52°
22
68°
54°
23
76°
55°
24
75°
56°
25
67°
49°
26
67°
54°
27
70°
58°
28
76°
51°
29
76°
51°
30
75°
58°
31
76°
60°
1
77°
59°
2
77°
59°
3
76°
52°
4
75°
56°
5
74°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Martha Lake
Martha Lake's August 2026 forecast shows daily high temperatures ranging from 67° to 79°, with overnight lows between 49° and 60°. The average high for August is 74° with an average low of 56°. 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 Martha Lake. See also: September | October | November.