S
M
T
W
T
F
S
26
63°
57°
27
70°
55°
28
73°
63°
29
68°
54°
30
64°
46°
31
N/A
1
68°
50°
2
66°
55°
3
64°
58°
4
69°
56°
5
66°
52°
6
65°
54°
7
64°
51°
8
65°
53°
9
68°
55°
10
68°
57°
11
69°
55°
12
68°
56°
13
67°
55°
14
68°
56°
15
68°
56°
16
67°
55°
17
68°
55°
18
67°
54°
19
67°
55°
20
65°
54°
21
64°
54°
22
63°
53°
23
63°
54°
24
64°
54°
25
65°
53°
26
64°
53°
27
65°
54°
28
63°
53°
29
64°
54°
30
63°
53°
31
62°
51°
1
61°
53°
2
62°
53°
3
61°
50°
4
61°
49°
5
60°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Portadown
Portadown's August 2026 forecast shows daily high temperatures ranging from 60° to 69°, with overnight lows between 49° and 58°. The average high for August is 65° with an average low of 54°. 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 Portadown. See also: September | October | November.
