S
M
T
W
T
F
S
31
81°
59°
1
77°
57°
2
80°
58°
3
84°
62°
4
82°
61°
5
82°
59°
6
80°
63°
7
83°
62°
8
82°
61°
9
84°
64°
10
88°
65°
11
87°
65°
12
87°
64°
13
86°
65°
14
84°
62°
15
87°
66°
16
88°
66°
17
88°
65°
18
89°
66°
19
89°
66°
20
88°
65°
21
88°
66°
22
89°
66°
23
89°
66°
24
88°
66°
25
89°
67°
26
88°
66°
27
89°
65°
28
87°
63°
29
86°
63°
30
88°
64°
1
89°
66°
2
90°
68°
3
90°
68°
4
89°
67°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Altadena
Altadena's June 2026 forecast shows daily high temperatures ranging from 77° to 90°, with overnight lows between 57° and 68°. The average high for June is 86° with an average low of 64°. 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 Altadena. See also: July | August | September.
