S
M
T
W
T
F
S
26
91°
68°
27
88°
68°
28
89°
69°
29
90°
68°
30
86°
66°
31
88°
65°
1
88°
65°
2
87°
66°
3
90°
66°
4
92°
71°
5
92°
69°
6
88°
70°
7
87°
69°
8
88°
70°
9
91°
71°
10
92°
70°
11
91°
69°
12
90°
70°
13
91°
69°
14
90°
66°
15
86°
66°
16
Hist. Avg.
90°
67°
17
Hist. Avg.
90°
67°
18
Hist. Avg.
90°
67°
19
Hist. Avg.
89°
67°
20
Hist. Avg.
89°
67°
21
Hist. Avg.
89°
67°
22
Hist. Avg.
89°
67°
23
Hist. Avg.
89°
67°
24
Hist. Avg.
89°
67°
25
Hist. Avg.
89°
66°
26
Hist. Avg.
89°
66°
27
Hist. Avg.
89°
66°
28
Hist. Avg.
88°
66°
29
Hist. Avg.
88°
66°
30
Hist. Avg.
88°
66°
31
Hist. Avg.
88°
66°
1
Hist. Avg.
88°
65°
2
Hist. Avg.
88°
65°
3
Hist. Avg.
88°
65°
4
Hist. Avg.
87°
64°
5
Hist. Avg.
87°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
August Weather in Welcome
Welcome's August 2026 forecast shows daily high temperatures ranging from 86° to 92°, with overnight lows between 65° and 71°. The average high for August is 89° with an average low of 68°. 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 Welcome. See also: September | October | November.