S
M
T
W
T
F
S
26
85°
71°
27
86°
71°
28
85°
70°
29
84°
71°
30
85°
71°
31
87°
70°
1
89°
71°
2
89°
70°
3
89°
69°
4
86°
70°
5
86°
69°
6
84°
70°
7
89°
65°
8
86°
66°
9
85°
66°
10
89°
65°
11
88°
65°
12
89°
69°
13
89°
70°
14
88°
69°
15
89°
69°
16
86°
68°
17
86°
69°
18
84°
69°
19
89°
66°
20
83°
64°
21
83°
64°
22
84°
66°
23
84°
64°
24
83°
63°
25
84°
64°
26
86°
68°
27
87°
69°
28
88°
68°
29
87°
68°
30
87°
67°
31
86°
63°
1
85°
63°
2
80°
60°
3
82°
61°
4
86°
66°
5
85°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Millboro
Millboro's August 2026 forecast shows daily high temperatures ranging from 80° to 89°, with overnight lows between 60° and 71°. The average high for August is 86° with an average low of 67°. 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 Millboro. See also: September | October | November.