S
M
T
W
T
F
S
26
71°
57°
27
71°
56°
28
73°
55°
29
71°
52°
30
75°
55°
31
73°
56°
1
73°
57°
2
76°
57°
3
76°
58°
4
75°
57°
5
76°
57°
6
77°
58°
7
77°
58°
8
76°
57°
9
77°
59°
10
77°
58°
11
76°
58°
12
76°
57°
13
75°
57°
14
76°
56°
15
75°
57°
16
75°
56°
17
74°
56°
18
75°
55°
19
74°
56°
20
73°
54°
21
75°
52°
22
71°
49°
23
71°
51°
24
70°
52°
25
73°
55°
26
74°
55°
27
73°
54°
28
71°
54°
29
71°
53°
30
68°
55°
31
72°
55°
1
73°
54°
2
73°
53°
3
69°
52°
4
71°
54°
5
70°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Barnet
Barnet's August 2026 forecast shows daily high temperatures ranging from 68° to 77°, with overnight lows between 48° and 59°. The average high for August is 74° with an average low of 55°. 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 Barnet. See also: September | October | November.
