S
M
T
W
T
F
S
26
81°
63°
27
83°
64°
28
77°
61°
29
79°
51°
30
82°
60°
31
79°
66°
1
79°
64°
2
77°
56°
3
77°
48°
4
82°
64°
5
76°
55°
6
77°
51°
7
81°
55°
8
77°
57°
9
77°
56°
10
80°
59°
11
78°
58°
12
80°
57°
13
81°
54°
14
80°
52°
15
82°
52°
16
77°
61°
17
77°
48°
18
79°
54°
19
75°
47°
20
77°
48°
21
76°
63°
22
75°
62°
23
65°
59°
24
73°
52°
25
76°
43°
26
74°
63°
27
72°
55°
28
74°
50°
29
72°
56°
30
72°
64°
31
81°
65°
1
86°
61°
2
76°
60°
3
77°
59°
4
70°
63°
5
77°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in St. James
St. James's August 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for August is ° with an average low of °. 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 St. James. See also: September | October | November.
