S
M
T
W
T
F
S
26
64°
59°
27
70°
57°
28
77°
66°
29
70°
57°
30
66°
54°
31
64°
50°
1
68°
52°
2
68°
52°
3
70°
59°
4
73°
59°
5
63°
55°
6
64°
54°
7
70°
54°
8
70°
54°
9
64°
54°
10
66°
52°
11
73°
52°
12
75°
61°
13
81°
63°
14
70°
59°
15
64°
57°
16
63°
55°
17
64°
59°
18
64°
57°
19
66°
55°
20
63°
54°
21
65°
47°
22
65°
48°
23
66°
48°
24
68°
56°
25
69°
58°
26
68°
56°
27
68°
56°
28
66°
54°
29
64°
53°
30
65°
52°
31
64°
52°
1
65°
53°
2
66°
54°
3
65°
55°
4
66°
54°
5
64°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Lisburn
Lisburn's August 2026 forecast shows daily high temperatures ranging from 64° to 69°, with overnight lows between 47° and 58°. The average high for August is 66° 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 Lisburn. See also: September | October | November.
