13.08
thu
thu
Day

84°F
SE 10 mph
Precip.
3%
3%
Night

79°F
E 4 mph
Precip.
9%
9%
14.08
fri
fri
Day

77°F
SW 7 mph
Precip.
22%
22%
Night

75°F
N 6 mph
Precip.
10%
10%
15.08
sat
sat
Day

77°F
W 6 mph
Precip.
8%
8%
Night

75°F
N 13 mph
Precip.
16%
16%
16.08
sun
sun
Day

77°F
N 16 mph
Precip.
23%
23%
Night

73°F
NE 13 mph
Precip.
15%
15%
17.08
mon
mon
Day

79°F
N 5 mph
Precip.
12%
12%
Night

75°F
SE 11 mph
Precip.
10%
10%
18.08
tue
tue
Day

75°F
SW 11 mph
Precip.
7%
7%
Night

75°F
NW 5 mph
Precip.
10%
10%
19.08
wed
wed
Day

77°F
NW 7 mph
Precip.
9%
9%
Night

75°F
N 9 mph
Precip.
12%
12%
20.08
thu
thu
Day

81°F
NW 4 mph
Precip.
7%
7%
Night

77°F
N 17 mph
Precip.
34%
34%
21.08
fri
fri
Day

81°F
N 7 mph
Precip.
13%
13%
Night

73°F
SW 14 mph
Precip.
56%
56%
22.08
sat
sat
Day

73°F
SW 18 mph
Precip.
9%
9%
Night

73°F
NW 7 mph
Precip.
4%
4%
23.08
sun
sun
Day

75°F
NW 9 mph
Precip.
6%
6%
Night

75°F
N 14 mph
Precip.
18%
18%
24.08
mon
mon
Day

77°F
N 17 mph
Precip.
36%
36%
Night

73°F
E 11 mph
Precip.
24%
24%
25.08
tue
tue
Day

81°F
N 6 mph
Precip.
14%
14%
Night

79°F
NE 11 mph
Precip.
36%
36%
26.08
wed
wed
Day

81°F
E 9 mph
Precip.
11%
11%
Night

81°F
SE 5 mph
Precip.
7%
7%
sea water
temperature
temperature
| Bethany Beach |
monthly
weather
weather
| Bethany Beach |
current
weather
weather
| Bethany Beach |
7 days
forecast
forecast
| Bethany Beach |
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 75.3°F. The highest and lowest sea temperatures during the month were 78.4°F and 72.9°F.
Air temperature in Bethany Beach, °F
Precipitation total in Bethany Beach, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Bethany Beach
Bethany Beach on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Bethany Beach
Local time: 09:04
August 13, thursday
1200

84°F
SE
10 mph
10 mph
1500

81°F
S
7 mph
7 mph
1800

82°F
W
2 mph
2 mph
2100

79°F
NE
4 mph
4 mph
August 14, friday
0000

79°F
E
4 mph
4 mph
0300

77°F
SE
6 mph
6 mph
0600

77°F
SW
10 mph
10 mph
0900

75°F
SW
12 mph
12 mph



























