Measurements:
°C
°F
CURRENT WEATHER
17:46
Bethany Beach
78°F
N 12 mph
Feels like: 82°F
Precip: 17%
World Resorts USA Bethany Beach Weather

7 Day Weather Forecast

08.25
tue
DAY
80°F
S 7 mph
precip
2%
NIGHT
76°F
E 3 mph
precip
15%
08.26
wed
DAY
76°F
NW 7 mph
precip
7%
NIGHT
80°F
N 19 mph
precip
14%
08.27
thu
DAY
76°F
NE 7 mph
precip
81%
NIGHT
76°F
NE 9 mph
precip
15%
08.28
fri
DAY
80°F
NW 6 mph
precip
23%
NIGHT
78°F
E 3 mph
precip
28%
08.29
sat
DAY
76°F
SW 12 mph
precip
28%
NIGHT
78°F
W 9 mph
precip
19%
08.30
sun
DAY
78°F
W 7 mph
precip
13%
NIGHT
80°F
NE 11 mph
precip
28%
08.31
mon
DAY
80°F
E 10 mph
precip
35%
NIGHT
78°F
E 7 mph
precip
44%

Bethany Beach Sea Water Temperature in August, °F

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Bethany Beach was 24.3°F. The maximum and minimum values were 23.3°F and 25.5°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:
August 77.3 °F
July 77.2 °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