S
M
T
W
T
F
S
26
65°
52°
27
67°
48°
28
61°
50°
29
66°
47°
30
70°
49°
31
74°
47°
1
65°
53°
2
67°
51°
3
69°
45°
4
78°
47°
5
81°
53°
6
79°
55°
7
77°
49°
8
77°
49°
9
74°
47°
10
74°
52°
11
69°
49°
12
69°
46°
13
73°
46°
14
80°
55°
15
79°
52°
16
80°
55°
17
67°
50°
18
69°
48°
19
70°
46°
20
69°
43°
21
64°
49°
22
63°
48°
23
62°
45°
24
61°
41°
25
63°
48°
26
66°
48°
27
65°
47°
28
61°
46°
29
61°
47°
30
60°
46°
31
61°
43°
1
65°
47°
2
60°
47°
3
60°
45°
4
59°
46°
5
58°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Fort St James
Fort St James's August 2026 forecast shows daily high temperatures ranging from 58° to 80°, with overnight lows between 41° and 55°. The average high for August is 67° with an average low of 47°. 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 Fort St James. See also: September | October | November.
