S
M
T
W
T
F
S
26
63°
57°
27
70°
55°
28
73°
63°
29
68°
54°
30
64°
46°
31
63°
46°
1
68°
48°
2
66°
43°
3
70°
55°
4
72°
59°
5
63°
54°
6
63°
52°
7
68°
54°
8
68°
52°
9
61°
46°
10
66°
46°
11
72°
46°
12
78°
63°
13
74°
58°
14
65°
53°
15
63°
50°
16
66°
53°
17
65°
58°
18
65°
55°
19
64°
52°
20
63°
49°
21
61°
50°
22
63°
48°
23
63°
49°
24
62°
51°
25
62°
48°
26
61°
50°
27
62°
48°
28
63°
52°
29
63°
52°
30
61°
51°
31
63°
52°
1
61°
50°
2
60°
50°
3
61°
52°
4
65°
52°
5
64°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Omagh
Omagh's August 2026 forecast shows daily high temperatures ranging from 60° to 78°, with overnight lows between 48° and 63°. The average high for August is 64° with an average low of 52°. 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 Omagh. See also: September | October | November.