S
M
T
W
T
F
S
26
65°
52°
27
64°
51°
28
62°
52°
29
66°
54°
30
65°
53°
31
65°
54°
1
66°
54°
2
66°
53°
3
64°
54°
4
62°
53°
5
62°
53°
6
63°
54°
7
62°
53°
8
62°
51°
9
61°
54°
10
63°
52°
11
62°
52°
12
64°
53°
13
65°
54°
14
64°
54°
15
63°
53°
16
64°
54°
17
64°
53°
18
62°
53°
19
61°
52°
20
62°
52°
21
62°
53°
22
63°
53°
23
63°
52°
24
64°
53°
25
62°
53°
26
63°
52°
27
62°
53°
28
64°
53°
29
64°
51°
30
63°
52°
31
63°
50°
1
62°
51°
2
63°
47°
3
61°
53°
4
63°
52°
5
64°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Portclair
Portclair's August 2026 forecast shows daily high temperatures ranging from 61° to 66°, with overnight lows between 47° and 54°. The average high for August is 63° 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 Portclair. See also: September | October | November.