S
M
T
W
T
F
S
26
80°
57°
27
81°
59°
28
82°
61°
29
81°
59°
30
81°
58°
31
83°
60°
1
87°
65°
2
88°
65°
3
88°
64°
4
87°
64°
5
87°
58°
6
81°
56°
7
79°
56°
8
80°
57°
9
81°
57°
10
82°
58°
11
86°
58°
12
85°
61°
13
86°
62°
14
86°
63°
15
87°
63°
16
88°
62°
17
87°
63°
18
86°
60°
19
81°
60°
20
79°
61°
21
81°
62°
22
83°
62°
23
80°
56°
24
81°
57°
25
84°
62°
26
85°
55°
27
83°
59°
28
82°
62°
29
85°
62°
30
86°
60°
31
84°
60°
1
85°
59°
2
84°
60°
3
83°
59°
4
84°
59°
5
83°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Earlston
Earlston's August 2026 forecast shows daily high temperatures ranging from 79° to 88°, with overnight lows between 55° and 65°. The average high for August is 84° with an average low of 60°. 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 Earlston. See also: September | October | November.