S
M
T
W
T
F
S
31
62°
37°
1
72°
34°
2
77°
38°
3
80°
44°
4
76°
38°
5
79°
44°
6
86°
51°
7
63°
43°
8
71°
46°
9
79°
47°
10
83°
50°
11
79°
47°
12
80°
51°
13
84°
52°
14
76°
45°
15
76°
42°
16
68°
46°
17
74°
50°
18
79°
51°
19
82°
52°
20
82°
52°
21
81°
51°
22
83°
52°
23
84°
53°
24
85°
54°
25
84°
53°
26
85°
53°
27
85°
54°
28
81°
51°
29
76°
48°
30
81°
51°
1
86°
54°
2
87°
55°
3
87°
55°
4
88°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Downey
Downey's June 2026 forecast shows daily high temperatures ranging from 63° to 88°, with overnight lows between 34° and 56°. The average high for June is 80° with an average low of 49°. 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 Downey. See also: July | August | September.