S
M
T
W
T
F
S
26
112°
97°
27
112°
91°
28
110°
94°
29
111°
92°
30
115°
93°
31
115°
91°
1
118°
95°
2
118°
93°
3
116°
95°
4
111°
91°
5
109°
91°
6
108°
90°
7
111°
93°
8
116°
91°
9
114°
96°
10
111°
93°
11
104°
86°
12
104°
77°
13
96°
75°
14
103°
77°
15
105°
76°
16
110°
84°
17
111°
88°
18
113°
90°
19
111°
91°
20
105°
93°
21
113°
91°
22
115°
92°
23
115°
89°
24
109°
90°
25
115°
89°
26
117°
89°
27
113°
95°
28
113°
93°
29
113°
91°
30
106°
89°
31
100°
85°
1
101°
84°
2
102°
82°
3
100°
82°
4
102°
83°
5
102°
82°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Alamo Lake
Alamo Lake's August 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for August is ° with an average low of °. 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 Alamo Lake. See also: September | October | November.