S
M
T
W
T
F
S
26
56°
40°
27
49°
38°
28
48°
38°
29
48°
38°
30
49°
37°
31
48°
38°
1
48°
41°
2
51°
41°
3
54°
45°
4
56°
42°
5
58°
40°
6
55°
42°
7
48°
37°
8
49°
36°
9
46°
37°
10
47°
39°
11
46°
41°
12
50°
43°
13
56°
43°
14
54°
44°
15
58°
42°
16
57°
40°
17
47°
42°
18
49°
42°
19
56°
41°
20
55°
40°
21
53°
42°
22
55°
43°
23
56°
43°
24
56°
42°
25
55°
41°
26
54°
42°
27
52°
43°
28
54°
42°
29
55°
42°
30
53°
40°
31
52°
37°
1
46°
39°
2
47°
37°
3
45°
35°
4
45°
36°
5
46°
28°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Alpine
Alpine's August 2026 forecast shows daily high temperatures ranging from 45° to 58°, with overnight lows between 28° and 45°. The average high for August is 51° with an average low of 40°. 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 Alpine. See also: September | October | November.