S
M
T
W
T
F
S
28
88°
60°
29
79°
59°
30
80°
58°
1
83°
59°
2
88°
61°
3
89°
62°
4
90°
61°
5
91°
62°
6
84°
63°
7
92°
64°
8
95°
61°
9
87°
58°
10
84°
56°
11
83°
60°
12
86°
60°
13
90°
63°
14
90°
61°
15
92°
60°
16
92°
60°
17
91°
61°
18
92°
63°
19
94°
64°
20
94°
63°
21
87°
63°
22
92°
62°
23
92°
61°
24
93°
64°
25
94°
64°
26
95°
61°
27
95°
59°
28
86°
57°
29
84°
55°
30
83°
59°
31
86°
60°
1
87°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Guernsey
Guernsey's July 2026 forecast shows daily high temperatures ranging from 79° to 95°, with overnight lows between 55° and 64°. The average high for July is 89° with an average low of 61°. 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 Guernsey. See also: August | September | October.
