S
M
T
W
T
F
S
28
88°
49°
29
91°
52°
30
83°
55°
1
82°
56°
2
87°
52°
3
90°
56°
4
88°
54°
5
82°
55°
6
88°
53°
7
88°
53°
8
95°
56°
9
100°
57°
10
93°
58°
11
95°
59°
12
97°
61°
13
102°
60°
14
107°
62°
15
97°
60°
16
94°
59°
17
96°
58°
18
92°
57°
19
93°
60°
20
94°
60°
21
96°
61°
22
97°
62°
23
96°
61°
24
96°
61°
25
95°
60°
26
96°
61°
27
95°
60°
28
94°
60°
29
95°
59°
30
95°
60°
31
94°
60°
1
93°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Lake Berryessa
Lake Berryessa's July 2026 forecast shows daily high temperatures ranging from 82° to 107°, with overnight lows between 53° and 62°. The average high for July is 95° with an average low of 59°. 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 Lake Berryessa. See also: August | September | October.
