Measurements:
°C
°F
CURRENT WEATHER
14:18
Bethany Beach
82°F
N 15 mph
Feels like: 90°F
Precip: 11%
World Resorts USA Bethany Beach Weather

7 Day Weather Forecast

08.05
wed
DAY
80°F
N 12 mph
precip
13%
NIGHT
78°F
N 13 mph
precip
15%
08.06
thu
DAY
84°F
N 13 mph
precip
11%
NIGHT
80°F
NE 14 mph
precip
13%
08.07
fri
DAY
86°F
NE 11 mph
precip
8%
NIGHT
74°F
E 6 mph
precip
13%
08.08
sat
DAY
84°F
NE 10 mph
precip
9%
NIGHT
80°F
E 12 mph
precip
13%
08.09
sun
DAY
86°F
E 6 mph
precip
7%
NIGHT
80°F
NE 13 mph
precip
12%
08.10
mon
DAY
86°F
E 9 mph
precip
6%
NIGHT
82°F
E 13 mph
precip
36%
08.11
tue
DAY
82°F
NE 9 mph
precip
9%
NIGHT
78°F
NE 7 mph
precip
15%

Bethany Beach Sea Water Temperature in August, °F

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Bethany Beach was 24.0°F. The maximum and minimum values were 22.7°F and 25.8°F respectively.

Bethany Beach on the Weather Map

Best Time to Visit Bethany Beach
The most sunny months:
November 17 days
October 16 days
June 15 days
The most warm months:
July 83.4 °F
August 81.1 °F
June 77.1 °F
Warmest sea temperature:
July 77.2 °F
August 77.1 °F
September 75.8 °F
The most cold months:
January 39.6 °F
February 41.8 °F
December 45.3 °F
The most rainy months:
August 3 days
December 3 days
July 3 days
The most windy months:
March 13 mph
January 13 mph
February 12 mph
more details