S
M
T
W
T
F
S
26
68°
58°
27
67°
58°
28
71°
54°
29
68°
59°
30
68°
57°
31
67°
55°
1
67°
52°
2
68°
52°
3
67°
56°
4
68°
55°
5
67°
56°
6
67°
57°
7
69°
57°
8
69°
59°
9
67°
58°
10
71°
55°
11
72°
55°
12
72°
56°
13
69°
54°
14
66°
52°
15
67°
56°
16
71°
58°
17
68°
57°
18
66°
53°
19
66°
55°
20
69°
56°
21
70°
57°
22
67°
53°
23
65°
54°
24
Hist. Avg.
68°
53°
25
Hist. Avg.
68°
53°
26
Hist. Avg.
68°
53°
27
Hist. Avg.
68°
53°
28
Hist. Avg.
67°
53°
29
Hist. Avg.
67°
53°
30
Hist. Avg.
67°
53°
31
Hist. Avg.
67°
53°
1
Hist. Avg.
67°
52°
2
Hist. Avg.
66°
52°
3
Hist. Avg.
66°
52°
4
Hist. Avg.
66°
52°
5
Hist. Avg.
66°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
August Weather in Barnstaple
Barnstaple's August 2026 forecast shows daily high temperatures ranging from 65° to 72°, with overnight lows between 52° and 59°. The average high for August is 68° with an average low of 56°. 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 Barnstaple. See also: September | October | November.
