S
M
T
W
T
F
S
26
73°
56°
27
73°
56°
28
74°
59°
29
74°
59°
30
75°
58°
31
76°
60°
1
77°
59°
2
75°
58°
3
73°
58°
4
73°
57°
5
72°
57°
6
72°
58°
7
70°
56°
8
67°
55°
9
68°
56°
10
72°
57°
11
69°
53°
12
72°
52°
13
69°
52°
14
69°
53°
15
70°
52°
16
69°
57°
17
70°
56°
18
73°
57°
19
72°
57°
20
72°
52°
21
71°
56°
22
71°
56°
23
72°
57°
24
71°
51°
25
69°
53°
26
67°
55°
27
68°
56°
28
68°
56°
29
72°
55°
30
72°
55°
31
71°
56°
1
70°
55°
2
70°
55°
3
69°
53°
4
69°
50°
5
64°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Upton
Upton's August 2026 forecast shows daily high temperatures ranging from 64° to 77°, with overnight lows between 50° and 60°. The average high for August is 71° with an average low of 56°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Upton. See also: September | October | November.