S
M
T
W
T
F
S
26
72°
56°
27
71°
55°
28
71°
58°
29
68°
57°
30
67°
55°
31
67°
53°
1
66°
53°
2
67°
52°
3
68°
53°
4
70°
58°
5
71°
57°
6
68°
55°
7
67°
55°
8
67°
54°
9
68°
57°
10
67°
55°
11
71°
58°
12
71°
57°
13
72°
57°
14
71°
56°
15
70°
57°
16
71°
56°
17
68°
56°
18
69°
53°
19
67°
51°
20
67°
51°
21
68°
50°
22
67°
52°
23
66°
54°
24
66°
51°
25
67°
52°
26
66°
55°
27
66°
55°
28
67°
52°
29
67°
52°
30
66°
50°
31
65°
51°
1
68°
52°
2
69°
53°
3
69°
54°
4
68°
49°
5
67°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in New Brighton
New Brighton's August 2026 forecast shows daily high temperatures ranging from 65° to 72°, with overnight lows between 49° and 58°. The average high for August is 68° with an average low of 54°. 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 New Brighton. See also: September | October | November.