S
M
T
W
T
F
S
31
72°
41°
1
84°
46°
2
85°
53°
3
66°
49°
4
71°
47°
5
67°
46°
6
64°
42°
7
68°
43°
8
68°
47°
9
70°
48°
10
72°
47°
11
73°
48°
12
79°
51°
13
83°
49°
14
78°
50°
15
68°
43°
16
66°
48°
17
74°
50°
18
71°
49°
19
67°
42°
20
71°
46°
21
74°
50°
22
76°
50°
23
74°
47°
24
67°
44°
25
69°
48°
26
74°
47°
27
66°
43°
28
65°
42°
29
69°
46°
30
76°
49°
1
74°
48°
2
76°
51°
3
78°
52°
4
78°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Cascadia
Cascadia's June 2026 forecast shows daily high temperatures ranging from 64° to 85°, with overnight lows between 42° and 53°. The average high for June is 72° with an average low of 47°. 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 Cascadia. See also: July | August | September.
