S
M
T
W
T
F
S
28
83°
71°
29
84°
67°
30
88°
61°
1
94°
72°
2
98°
73°
3
100°
76°
4
98°
75°
5
98°
70°
6
92°
72°
7
89°
69°
8
82°
70°
9
87°
71°
10
94°
71°
11
82°
68°
12
84°
66°
13
83°
67°
14
86°
66°
15
94°
71°
16
91°
69°
17
87°
67°
18
87°
68°
19
88°
68°
20
86°
69°
21
83°
68°
22
84°
66°
23
85°
66°
24
91°
71°
25
88°
68°
26
85°
68°
27
89°
71°
28
89°
71°
29
90°
70°
30
89°
71°
31
87°
70°
1
86°
70°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Farnham
Farnham's July 2026 forecast shows daily high temperatures ranging from 82° to 94°, with overnight lows between 66° and 71°. The average high for July is 87° with an average low of 69°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how July weather will actually feel in Farnham. See also: August | September | October.