S
M
T
W
T
F
S
31
83°
51°
1
87°
55°
2
88°
55°
3
90°
54°
4
92°
56°
5
93°
54°
6
78°
47°
7
80°
50°
8
80°
51°
9
84°
52°
10
92°
55°
11
91°
56°
12
90°
55°
13
89°
56°
14
83°
51°
15
81°
55°
16
87°
56°
17
87°
55°
18
85°
55°
19
86°
54°
20
85°
54°
21
86°
55°
22
85°
55°
23
85°
56°
24
88°
56°
25
88°
55°
26
84°
56°
27
84°
56°
28
89°
57°
29
90°
57°
30
89°
56°
1
88°
57°
2
86°
58°
3
89°
58°
4
88°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Clearlake
Clearlake's June 2026 forecast shows daily high temperatures ranging from 78° to 93°, with overnight lows between 47° and 58°. The average high for June is 87° with an average low of 55°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how June weather will actually feel in Clearlake. See also: July | August | September.
