S
M
T
W
T
F
S
31
69°
42°
1
79°
45°
2
83°
57°
3
72°
56°
4
67°
51°
5
59°
49°
6
63°
45°
7
65°
49°
8
63°
48°
9
63°
52°
10
64°
49°
11
75°
45°
12
80°
47°
13
82°
52°
14
89°
57°
15
83°
61°
16
75°
55°
17
74°
53°
18
81°
54°
19
83°
53°
20
77°
56°
21
79°
53°
22
84°
55°
23
85°
54°
24
80°
53°
25
74°
52°
26
76°
51°
27
79°
55°
28
79°
54°
29
73°
50°
30
68°
50°
1
67°
48°
2
69°
52°
3
71°
53°
4
71°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Upper Sumas 6
Upper Sumas 6's June 2026 forecast shows daily high temperatures ranging from 67° to 85°, with overnight lows between 48° and 56°. The average high for June is 76° with an average low of 53°. 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 Sumas 6. See also: July | August | September.
