S
M
T
W
T
F
S
26
82°
66°
27
80°
59°
28
81°
62°
29
83°
63°
30
82°
58°
31
81°
57°
1
80°
58°
2
79°
56°
3
79°
57°
4
80°
56°
5
79°
58°
6
79°
57°
7
80°
58°
8
81°
63°
9
83°
62°
10
84°
61°
11
84°
56°
12
83°
65°
13
87°
56°
14
81°
55°
15
78°
58°
16
79°
60°
17
81°
56°
18
78°
55°
19
77°
56°
20
77°
54°
21
78°
55°
22
76°
53°
23
76°
55°
24
77°
54°
25
78°
61°
26
78°
62°
27
82°
63°
28
85°
58°
29
85°
53°
30
77°
54°
31
77°
57°
1
76°
59°
2
75°
52°
3
75°
50°
4
74°
57°
5
74°
60°
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 74° to 87°, with overnight lows between 50° and 66°. The average high for August is 80° with an average low of 58°. 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.
