S
M
T
W
T
F
S
26
83°
65°
27
83°
65°
28
81°
64°
29
78°
62°
30
78°
58°
31
76°
57°
1
75°
57°
2
76°
58°
3
77°
64°
4
77°
61°
5
78°
60°
6
80°
65°
7
81°
64°
8
78°
63°
9
78°
59°
10
79°
59°
11
81°
58°
12
82°
64°
13
83°
63°
14
84°
64°
15
81°
63°
16
84°
64°
17
85°
64°
18
81°
57°
19
78°
56°
20
76°
55°
21
76°
55°
22
77°
56°
23
77°
55°
24
78°
55°
25
79°
56°
26
80°
55°
27
81°
58°
28
80°
55°
29
76°
54°
30
75°
55°
31
80°
58°
1
81°
54°
2
76°
53°
3
75°
54°
4
77°
58°
5
79°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Terra Alta
Terra Alta's August 2026 forecast shows daily high temperatures ranging from 75° to 85°, with overnight lows between 53° and 65°. The average high for August is 79° with an average low of 59°. 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 Terra Alta. See also: September | October | November.