World Resorts USA Bethany Beach Weather

Bethany Beach 14 Days Forecast

13.08
thu
Day
84°F
SE 10 mph
Precip.
3%
Night
79°F
E 4 mph
Precip.
9%
14.08
fri
Day
77°F
SW 7 mph
Precip.
22%
Night
75°F
N 6 mph
Precip.
10%
15.08
sat
Day
77°F
W 6 mph
Precip.
8%
Night
75°F
N 13 mph
Precip.
16%
16.08
sun
Day
77°F
N 16 mph
Precip.
23%
Night
73°F
NE 13 mph
Precip.
15%
17.08
mon
Day
79°F
N 5 mph
Precip.
12%
Night
75°F
SE 11 mph
Precip.
10%
18.08
tue
Day
75°F
SW 11 mph
Precip.
7%
Night
75°F
NW 5 mph
Precip.
10%
19.08
wed
Day
77°F
NW 7 mph
Precip.
9%
Night
75°F
N 9 mph
Precip.
12%
20.08
thu
Day
81°F
NW 4 mph
Precip.
7%
Night
77°F
N 17 mph
Precip.
34%
21.08
fri
Day
81°F
N 7 mph
Precip.
13%
Night
73°F
SW 14 mph
Precip.
56%
22.08
sat
Day
73°F
SW 18 mph
Precip.
9%
Night
73°F
NW 7 mph
Precip.
4%
23.08
sun
Day
75°F
NW 9 mph
Precip.
6%
Night
75°F
N 14 mph
Precip.
18%
24.08
mon
Day
77°F
N 17 mph
Precip.
36%
Night
73°F
E 11 mph
Precip.
24%
25.08
tue
Day
81°F
N 6 mph
Precip.
14%
Night
79°F
NE 11 mph
Precip.
36%
26.08
wed
Day
81°F
E 9 mph
Precip.
11%
Night
81°F
SE 5 mph
Precip.
7%

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

Sunniest months:
November 17 days
October 16 days
June 15 days
Warmest months:
July 80.1 °F
August 78.0 °F
June 74.3 °F
Warmest sea temp:
July 74.5 °F
August 74.4 °F
September 73.3 °F
Coldest months:
January 40.7 °F
February 42.6 °F
December 45.7 °F
Rainiest months:
August 3 days
December 3 days
July 3 days
Windiest months:
March 13.6 mph
January 13.2 mph
February 12.9 mph

Bethany Beach on a weather map

Bethany Beach
+77°F
E 10 mph
Feels like: +81°F
Precip.: 7%
Places in USA:
Name
°F
+73°F
+79°F
+77°F
+75°F
+68°F
+82°F
+72°F
+81°F
+77°F
+68°F
+57°F
+68°F
+82°F
+84°F
+72°F
24 Hours Forecast
Bethany Beach
Local time: 09:04
August 13, thursday
1200
84°F
SE
10 mph
1500
81°F
S
7 mph
1800
82°F
W
2 mph
2100
79°F
NE
4 mph
August 14, friday
0000
79°F
E
4 mph
0300
77°F
SE
6 mph
0600
77°F
SW
10 mph
0900
75°F
SW
12 mph
Units of measurement: °C / °F