S
M
T
W
T
F
S
26
97°
72°
27
94°
72°
28
88°
69°
29
89°
73°
30
96°
74°
31
96°
73°
1
95°
74°
2
94°
74°
3
89°
66°
4
90°
72°
5
96°
67°
6
97°
68°
7
96°
65°
8
89°
66°
9
89°
68°
10
90°
69°
11
93°
66°
12
90°
63°
13
87°
64°
14
87°
66°
15
88°
64°
16
86°
63°
17
88°
62°
18
86°
63°
19
87°
63°
20
87°
69°
21
91°
71°
22
93°
70°
23
94°
69°
24
94°
69°
25
93°
63°
26
88°
62°
27
84°
61°
28
85°
60°
29
86°
63°
30
87°
62°
31
84°
62°
1
84°
65°
2
87°
65°
3
89°
63°
4
88°
58°
5
82°
57°
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 82° to 97°, with overnight lows between 57° and 74°. The average high for August is 90° with an average low of 66°. 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.
