S
M
T
W
T
F
S
26
92°
59°
27
92°
64°
28
96°
65°
29
96°
65°
30
92°
63°
31
86°
56°
1
85°
56°
2
85°
59°
3
91°
63°
4
94°
61°
5
88°
61°
6
94°
64°
7
90°
62°
8
88°
62°
9
94°
63°
10
95°
64°
11
94°
63°
12
96°
65°
13
96°
65°
14
95°
64°
15
95°
64°
16
94°
65°
17
95°
64°
18
95°
64°
19
94°
63°
20
95°
64°
21
95°
64°
22
94°
63°
23
95°
64°
24
91°
55°
25
82°
57°
26
86°
59°
27
90°
60°
28
93°
61°
29
95°
62°
30
95°
62°
31
93°
52°
1
83°
50°
2
81°
54°
3
89°
59°
4
91°
58°
5
91°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Tucannon
Tucannon's August 2026 forecast shows daily high temperatures ranging from 81° to 96°, with overnight lows between 50° and 65°. The average high for August is 92° with an average low of 61°. 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 Tucannon. See also: September | October | November.
