S
M
T
W
T
F
S
26
86°
68°
27
82°
67°
28
81°
67°
29
81°
64°
30
81°
64°
31
82°
63°
1
83°
65°
2
84°
66°
3
82°
66°
4
81°
64°
5
81°
65°
6
83°
65°
7
82°
66°
8
84°
65°
9
83°
67°
10
83°
68°
11
84°
69°
12
82°
68°
13
77°
66°
14
80°
68°
15
79°
67°
16
80°
65°
17
84°
66°
18
83°
64°
19
83°
66°
20
84°
67°
21
85°
67°
22
86°
67°
23
92°
63°
24
89°
69°
25
88°
67°
26
92°
69°
27
89°
70°
28
88°
68°
29
94°
70°
30
85°
67°
31
81°
66°
1
81°
63°
2
79°
61°
3
79°
56°
4
79°
61°
5
91°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Border
Border's August 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for August is ° with an average low of °. 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 Border. See also: September | October | November.
