S
M
T
W
T
F
S
26
85°
52°
27
84°
54°
28
81°
57°
29
76°
62°
30
72°
60°
31
78°
59°
1
82°
58°
2
83°
57°
3
75°
58°
4
80°
59°
5
78°
60°
6
80°
55°
7
80°
59°
8
74°
59°
9
80°
58°
10
80°
58°
11
79°
56°
12
76°
56°
13
77°
58°
14
78°
59°
15
76°
59°
16
80°
58°
17
78°
59°
18
77°
59°
19
78°
57°
20
79°
58°
21
79°
53°
22
73°
50°
23
73°
54°
24
77°
56°
25
78°
56°
26
77°
55°
27
75°
54°
28
72°
51°
29
71°
50°
30
73°
53°
31
76°
55°
1
77°
55°
2
77°
54°
3
73°
50°
4
69°
49°
5
67°
44°
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 67° to 85°, with overnight lows between 44° and 62°. The average high for August is 77° 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.
