S
M
T
W
T
F
S
27
94°
75°
28
94°
74°
29
95°
77°
30
92°
73°
31
91°
72°
1
90°
76°
2
91°
75°
3
90°
73°
4
89°
74°
5
91°
71°
6
90°
72°
7
89°
74°
8
85°
72°
9
87°
72°
10
87°
74°
11
89°
75°
12
89°
74°
13
95°
76°
14
90°
75°
15
89°
71°
16
90°
70°
17
94°
76°
18
93°
74°
19
93°
72°
20
93°
70°
21
92°
73°
22
87°
72°
23
89°
67°
24
90°
72°
25
92°
72°
26
91°
74°
27
89°
73°
28
91°
72°
29
86°
72°
30
86°
71°
31
87°
72°
1
89°
72°
2
87°
67°
3
89°
67°
4
91°
72°
5
93°
72°
6
90°
72°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in St. James
St. James's August 2025 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.
