21.07
tue
tue
Day
84°F
N 17 mph
Precip.
8%
8%
Night
75°F
NE 20 mph
Precip.
28%
28%
22.07
wed
wed
Day
79°F
NE 21 mph
Precip.
72%
72%
Night
73°F
SE 12 mph
Precip.
14%
14%
23.07
thu
thu
Day
70°F
S 15 mph
Precip.
3%
3%
Night
72°F
S 7 mph
Precip.
3%
3%
24.07
fri
fri
Day
73°F
SW 9 mph
Precip.
3%
3%
Night
72°F
W 11 mph
Precip.
11%
11%
25.07
sat
sat
Day
73°F
SW 12 mph
Precip.
29%
29%
Night
73°F
W 9 mph
Precip.
16%
16%
26.07
sun
sun
Day
75°F
SW 11 mph
Precip.
4%
4%
Night
72°F
NE 11 mph
Precip.
7%
7%
27.07
mon
mon
Day
79°F
NE 15 mph
Precip.
4%
4%
Night
73°F
E 15 mph
Precip.
41%
41%
sea water
temperature
temperature
| Bethany Beach |
monthly
weather
weather
| Bethany Beach |
current
weather
weather
| Bethany Beach |
14 days
forecast
forecast
| Bethany Beach |
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 74.0°F. The highest and lowest sea temperatures during the month were 76.3°F and 71.4°F.
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: 09:31
July 21, tuesday
1200
84°F
N
17 mph
17 mph
1500
79°F
N
21 mph
21 mph
1800
81°F
NE
28 mph
28 mph
2100
75°F
NE
21 mph
21 mph
July 22, wednesday
0000
75°F
NE
20 mph
20 mph
0300
75°F
NE
22 mph
22 mph
0600
75°F
NE
17 mph
17 mph
0900
75°F
NE
17 mph
17 mph
