S
M
T
W
T
F
S
26
88°
70°
27
88°
69°
28
88°
67°
29
89°
69°
30
91°
71°
31
89°
68°
1
87°
72°
2
90°
73°
3
91°
72°
4
92°
69°
5
88°
68°
6
86°
68°
7
86°
70°
8
88°
70°
9
88°
68°
10
87°
70°
11
87°
71°
12
90°
71°
13
87°
70°
14
87°
71°
15
88°
71°
16
91°
70°
17
91°
66°
18
86°
66°
19
86°
71°
20
88°
67°
21
88°
68°
22
86°
66°
23
87°
67°
24
90°
68°
25
89°
66°
26
85°
69°
27
88°
65°
28
85°
63°
29
84°
64°
30
84°
64°
31
85°
65°
1
86°
67°
2
87°
68°
3
88°
68°
4
88°
67°
5
87°
68°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Preston
Preston's August 2026 forecast shows daily high temperatures ranging from 84° to 92°, with overnight lows between 63° and 73°. The average high for August is 88° with an average low of 68°. 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 Preston. See also: September | October | November.
