S
M
T
W
T
F
S
31
86°
53°
1
85°
58°
2
88°
55°
3
89°
52°
4
90°
55°
5
89°
50°
6
77°
46°
7
80°
50°
8
78°
50°
9
82°
51°
10
96°
55°
11
92°
56°
12
94°
58°
13
93°
58°
14
84°
52°
15
82°
55°
16
87°
57°
17
87°
56°
18
86°
56°
19
87°
55°
20
86°
55°
21
87°
54°
22
85°
55°
23
86°
57°
24
88°
57°
25
88°
56°
26
84°
55°
27
84°
56°
28
89°
57°
29
90°
58°
30
89°
57°
1
88°
58°
2
87°
58°
3
89°
59°
4
88°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Upper Lake
Upper Lake's June 2026 forecast shows daily high temperatures ranging from 77° to 96°, with overnight lows between 46° and 59°. 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 Upper Lake. See also: July | August | September.
