S
M
T
W
T
F
S
26
94°
75°
27
95°
73°
28
95°
76°
29
89°
74°
30
88°
70°
31
88°
67°
1
81°
71°
2
76°
69°
3
86°
66°
4
87°
63°
5
90°
66°
6
91°
67°
7
93°
72°
8
89°
71°
9
89°
69°
10
93°
73°
11
93°
72°
12
95°
75°
13
96°
76°
14
96°
76°
15
97°
72°
16
99°
72°
17
95°
75°
18
90°
68°
19
87°
67°
20
94°
71°
21
93°
67°
22
96°
65°
23
90°
64°
24
91°
63°
25
92°
66°
26
82°
69°
27
92°
68°
28
88°
63°
29
92°
61°
30
94°
66°
31
96°
69°
1
97°
71°
2
98°
69°
3
99°
72°
4
100°
72°
5
101°
71°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Alamo
Alamo'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. See also: September | October | November.