S
M
T
W
T
F
S
26
68°
48°
27
70°
49°
28
69°
49°
29
70°
50°
30
70°
49°
31
67°
51°
1
67°
48°
2
66°
47°
3
66°
47°
4
67°
48°
5
66°
47°
6
66°
50°
7
68°
47°
8
67°
47°
9
70°
51°
10
71°
46°
11
70°
49°
12
70°
52°
13
69°
52°
14
70°
51°
15
70°
51°
16
69°
50°
17
71°
51°
18
70°
51°
19
69°
47°
20
68°
48°
21
69°
49°
22
68°
50°
23
67°
49°
24
68°
46°
25
66°
50°
26
64°
47°
27
65°
51°
28
Hist. Avg.
62°
50°
29
Hist. Avg.
62°
50°
30
Hist. Avg.
62°
50°
31
Hist. Avg.
61°
50°
1
Hist. Avg.
61°
50°
2
Hist. Avg.
61°
50°
3
Hist. Avg.
61°
50°
4
Hist. Avg.
61°
50°
5
Hist. Avg.
61°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
August Weather in Dumfries
Dumfries's August 2026 forecast shows daily high temperatures ranging from 64° to 71°, with overnight lows between 46° and 52°. The average high for August is 68° with an average low of 49°. 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 Dumfries. See also: September | October | November.
