S
M
T
W
T
F
S
26
70°
56°
27
68°
54°
28
68°
56°
29
66°
57°
30
66°
57°
31
70°
56°
1
68°
56°
2
68°
54°
3
70°
54°
4
70°
56°
5
71°
56°
6
70°
55°
7
70°
57°
8
68°
57°
9
69°
56°
10
68°
57°
11
69°
55°
12
68°
56°
13
69°
54°
14
70°
53°
15
68°
55°
16
Hist. Avg.
65°
53°
17
Hist. Avg.
65°
53°
18
Hist. Avg.
65°
53°
19
Hist. Avg.
64°
53°
20
Hist. Avg.
64°
53°
21
Hist. Avg.
64°
53°
22
Hist. Avg.
64°
53°
23
Hist. Avg.
64°
53°
24
Hist. Avg.
64°
53°
25
Hist. Avg.
64°
53°
26
Hist. Avg.
64°
52°
27
Hist. Avg.
63°
52°
28
Hist. Avg.
63°
52°
29
Hist. Avg.
63°
52°
30
Hist. Avg.
63°
52°
31
Hist. Avg.
63°
52°
1
Hist. Avg.
63°
52°
2
Hist. Avg.
63°
52°
3
Hist. Avg.
63°
51°
4
Hist. Avg.
62°
51°
5
Hist. Avg.
62°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
August Weather in Bethesda
Bethesda's August 2026 forecast shows daily high temperatures ranging from 66° to 71°, with overnight lows between 53° and 57°. The average high for August is 69° with an average low of 56°. 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 Bethesda. See also: September | October | November.
