S
M
T
W
T
F
S
26
91°
73°
27
90°
72°
28
82°
64°
29
84°
64°
30
81°
66°
31
70°
61°
1
81°
62°
2
80°
61°
3
82°
62°
4
76°
62°
5
72°
57°
6
77°
61°
7
82°
60°
8
81°
60°
9
79°
59°
10
77°
59°
11
77°
60°
12
78°
59°
13
76°
59°
14
80°
56°
15
75°
60°
16
83°
60°
17
83°
62°
18
84°
61°
19
82°
60°
20
82°
60°
21
83°
61°
22
84°
61°
23
83°
60°
24
82°
60°
25
78°
59°
26
73°
58°
27
73°
55°
28
79°
58°
29
81°
58°
30
82°
59°
31
82°
59°
1
81°
58°
2
81°
59°
3
82°
60°
4
83°
59°
5
82°
58°
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 72° to 84°, with overnight lows between 55° and 62°. The average high for August is 80° with an average low of 60°. 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.
