S
M
T
W
T
F
S
26
70°
51°
27
69°
52°
28
69°
50°
29
71°
52°
30
71°
50°
31
68°
49°
1
68°
50°
2
69°
49°
3
68°
47°
4
69°
51°
5
70°
53°
6
70°
52°
7
69°
49°
8
69°
45°
9
66°
48°
10
66°
50°
11
67°
47°
12
66°
48°
13
67°
48°
14
66°
49°
15
66°
50°
16
67°
51°
17
68°
52°
18
70°
48°
19
69°
49°
20
69°
50°
21
68°
51°
22
67°
51°
23
69°
49°
24
69°
49°
25
68°
48°
26
68°
46°
27
67°
47°
28
68°
50°
29
67°
47°
30
65°
46°
31
67°
47°
1
65°
48°
2
64°
48°
3
65°
49°
4
67°
47°
5
64°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Dumfries
Dumfries's August 2026 forecast shows daily high temperatures ranging from 64° to 71°, with overnight lows between 45° and 53°. 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.
