S
M
T
W
T
F
S
26
92°
73°
27
93°
72°
28
93°
73°
29
90°
72°
30
89°
73°
31
90°
73°
1
91°
72°
2
92°
72°
3
92°
71°
4
93°
73°
5
93°
72°
6
92°
72°
7
88°
71°
8
88°
72°
9
89°
72°
10
91°
71°
11
90°
72°
12
88°
71°
13
89°
70°
14
92°
68°
15
91°
71°
16
93°
69°
17
92°
70°
18
88°
69°
19
89°
70°
20
89°
69°
21
92°
66°
22
87°
65°
23
87°
65°
24
88°
66°
25
89°
65°
26
89°
66°
27
90°
68°
28
92°
68°
29
92°
67°
30
91°
66°
31
92°
69°
1
92°
68°
2
88°
65°
3
87°
67°
4
90°
66°
5
89°
68°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Bellevue
Bellevue's August 2026 forecast shows daily high temperatures ranging from 87° to 93°, with overnight lows between 65° and 73°. The average high for August is 90° with an average low of 69°. 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 Bellevue. See also: September | October | November.
