S
M
T
W
T
F
S
26
74°
59°
27
74°
60°
28
78°
61°
29
77°
61°
30
77°
60°
31
74°
59°
1
78°
60°
2
75°
61°
3
74°
61°
4
75°
60°
5
78°
61°
6
76°
60°
7
78°
61°
8
77°
60°
9
72°
59°
10
71°
56°
11
71°
58°
12
72°
56°
13
71°
56°
14
71°
59°
15
72°
60°
16
76°
58°
17
72°
54°
18
71°
53°
19
70°
53°
20
72°
57°
21
70°
58°
22
74°
56°
23
71°
52°
24
70°
51°
25
70°
51°
26
71°
52°
27
70°
51°
28
69°
51°
29
73°
56°
30
74°
56°
31
74°
52°
1
73°
51°
2
69°
55°
3
67°
52°
4
73°
49°
5
66°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Fredericton
Fredericton's August 2026 forecast shows daily high temperatures ranging from 66° to 78°, with overnight lows between 48° and 61°. The average high for August is 73° with an average low of 56°. 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 Fredericton. See also: September | October | November.
