S
M
T
W
T
F
S
26
86°
66°
27
84°
66°
28
83°
65°
29
83°
64°
30
80°
63°
31
76°
62°
1
76°
63°
2
79°
64°
3
82°
63°
4
78°
60°
5
77°
60°
6
76°
58°
7
81°
63°
8
77°
62°
9
81°
63°
10
80°
63°
11
80°
62°
12
81°
63°
13
82°
64°
14
82°
63°
15
77°
62°
16
74°
62°
17
76°
61°
18
80°
62°
19
81°
62°
20
81°
63°
21
72°
51°
22
72°
53°
23
73°
52°
24
71°
57°
25
73°
58°
26
74°
59°
27
73°
61°
28
80°
60°
29
82°
52°
30
77°
51°
31
74°
57°
1
73°
56°
2
74°
57°
3
79°
61°
4
82°
56°
5
80°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Theresa
Theresa's August 2026 forecast shows daily high temperatures ranging from 71° to 86°, with overnight lows between 51° and 66°. The average high for August is 78° with an average low of 60°. 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 Theresa. See also: September | October | November.
