S
M
T
W
T
F
S
26
103°
71°
27
105°
71°
28
101°
72°
29
101°
71°
30
102°
71°
31
101°
68°
1
92°
66°
2
95°
65°
3
100°
66°
4
97°
71°
5
98°
70°
6
96°
69°
7
98°
69°
8
98°
74°
9
100°
67°
10
100°
68°
11
102°
69°
12
103°
70°
13
98°
71°
14
98°
70°
15
97°
69°
16
95°
68°
17
96°
67°
18
95°
67°
19
91°
67°
20
93°
68°
21
92°
67°
22
91°
64°
23
94°
68°
24
93°
69°
25
92°
68°
26
93°
68°
27
93°
69°
28
92°
68°
29
93°
69°
30
93°
68°
31
92°
68°
1
93°
67°
2
92°
67°
3
91°
66°
4
91°
66°
5
90°
67°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Portales
Portales's August 2026 forecast shows daily high temperatures ranging from 90° to 103°, with overnight lows between 64° and 71°. The average high for August is 94° 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 Portales. See also: September | October | November.
