S
M
T
W
T
F
S
26
85°
68°
27
89°
71°
28
89°
71°
29
90°
70°
30
89°
71°
31
87°
70°
1
86°
70°
2
84°
68°
3
84°
70°
4
86°
70°
5
85°
68°
6
84°
69°
7
84°
69°
8
85°
70°
9
86°
70°
10
83°
69°
11
84°
69°
12
84°
68°
13
83°
68°
14
83°
66°
15
84°
68°
16
83°
67°
17
83°
68°
18
84°
66°
19
83°
65°
20
83°
66°
21
87°
63°
22
83°
61°
23
83°
61°
24
82°
62°
25
83°
64°
26
85°
67°
27
89°
67°
28
89°
66°
29
88°
67°
30
88°
62°
31
86°
61°
1
81°
64°
2
82°
66°
3
86°
61°
4
86°
67°
5
87°
67°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Farnham
Farnham's August 2026 forecast shows daily high temperatures ranging from 81° to 90°, with overnight lows between 61° and 71°. The average high for August is 85° 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 Farnham. See also: September | October | November.
