S
M
T
W
T
F
S
26
80°
61°
27
81°
61°
28
80°
62°
29
81°
63°
30
82°
62°
31
86°
61°
1
86°
64°
2
85°
66°
3
85°
66°
4
84°
63°
5
84°
62°
6
83°
60°
7
79°
59°
8
80°
60°
9
81°
61°
10
82°
60°
11
83°
62°
12
84°
61°
13
85°
60°
14
86°
64°
15
86°
65°
16
85°
64°
17
85°
65°
18
84°
64°
19
80°
62°
20
79°
61°
21
84°
64°
22
83°
64°
23
80°
59°
24
81°
64°
25
84°
64°
26
85°
63°
27
85°
64°
28
84°
64°
29
83°
62°
30
84°
63°
31
83°
62°
1
82°
61°
2
80°
61°
3
81°
60°
4
82°
62°
5
83°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Welch
Welch's August 2026 forecast shows daily high temperatures ranging from 79° to 86°, with overnight lows between 59° and 66°. The average high for August is 83° with an average low of 62°. 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 Welch. See also: September | October | November.