S
M
T
W
T
F
S
26
80°
61°
27
81°
61°
28
80°
60°
29
79°
59°
30
78°
56°
31
71°
52°
1
70°
51°
2
70°
51°
3
71°
52°
4
73°
58°
5
74°
57°
6
75°
58°
7
72°
58°
8
73°
57°
9
72°
56°
10
72°
50°
11
71°
49°
12
74°
58°
13
75°
59°
14
80°
58°
15
79°
57°
16
74°
59°
17
79°
57°
18
77°
56°
19
73°
49°
20
70°
47°
21
70°
47°
22
71°
48°
23
72°
48°
24
74°
50°
25
76°
49°
26
76°
53°
27
77°
54°
28
77°
51°
29
75°
52°
30
76°
54°
31
76°
49°
1
75°
45°
2
68°
44°
3
67°
48°
4
71°
53°
5
74°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Derby Line
Derby Line's August 2026 forecast shows daily high temperatures ranging from 67° to 81°, with overnight lows between 44° and 61°. The average high for August is 74° with an average low of 53°. 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 Derby Line. See also: September | October | November.
