S
M
T
W
T
F
S
26
74°
53°
27
72°
56°
28
75°
53°
29
72°
51°
30
76°
54°
31
77°
57°
1
77°
56°
2
74°
52°
3
74°
51°
4
73°
51°
5
74°
52°
6
74°
51°
7
73°
51°
8
74°
50°
9
75°
49°
10
76°
51°
11
75°
56°
12
73°
56°
13
72°
55°
14
76°
56°
15
74°
51°
16
75°
55°
17
74°
54°
18
71°
55°
19
71°
52°
20
72°
53°
21
76°
55°
22
76°
52°
23
73°
53°
24
70°
53°
25
70°
54°
26
71°
51°
27
70°
53°
28
70°
53°
29
73°
52°
30
74°
53°
31
75°
54°
1
73°
53°
2
71°
52°
3
72°
53°
4
72°
50°
5
71°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Undy
Undy's August 2026 forecast shows daily high temperatures ranging from 70° to 77°, with overnight lows between 49° and 57°. The average high for August is 73° with an average low of 53°. 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 Undy. See also: September | October | November.