S
M
T
W
T
F
S
28
79°
54°
29
73°
50°
30
68°
50°
1
67°
48°
2
69°
52°
3
71°
53°
4
71°
54°
5
68°
51°
6
68°
52°
7
69°
51°
8
70°
53°
9
70°
53°
10
69°
50°
11
74°
53°
12
79°
56°
13
80°
56°
14
79°
55°
15
79°
56°
16
80°
56°
17
81°
57°
18
82°
58°
19
82°
58°
20
81°
57°
21
81°
57°
22
80°
56°
23
80°
56°
24
81°
57°
25
82°
57°
26
82°
56°
27
81°
50°
28
81°
56°
29
82°
56°
30
83°
48°
31
79°
50°
1
78°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Upper Sumas 6
Upper Sumas 6's July 2026 forecast shows daily high temperatures ranging from 67° to 83°, with overnight lows between 48° and 58°. The average high for July is 77° with an average low of 54°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how July weather will actually feel in Upper Sumas 6. See also: August | September | October.
