Measurements:
°C
°F
Bethany Beach
46°F
N 30 mph
Feels like: 36°F
Precip: 0%
World Resorts USA Bethany Beach Weather

7 Day Weather Forecast

03.13
fri
DAY
42°F
N 14 mph
precip
0%
NIGHT
44°F
NE 23 mph
precip
0%
03.14
sat
DAY
50°F
E 24 mph
precip
0%
NIGHT
42°F
S 6 mph
precip
0%
03.15
sun
DAY
44°F
NW 16 mph
precip
0%
NIGHT
46°F
NW 24 mph
precip
0%
03.16
mon
DAY
54°F
N 28 mph
precip
0%
NIGHT
42°F
SE 22 mph
precip
100%
03.17
tue
DAY
36°F
E 16 mph
precip
0%
NIGHT
30°F
SE 16 mph
precip
0%
03.18
wed
DAY
32°F
E 6 mph
precip
0%
NIGHT
34°F
N 11 mph
precip
0%
03.19
thu
DAY
42°F
N 12 mph
precip
0%
NIGHT
42°F
NE 9 mph
precip
0%

Bethany Beach Sea Water Temperature in March, °F

Select Year: 2025 2024 2023

The average sea surface temperature in March 2025 for Bethany Beach was 7.1°F. The maximum and minimum values were 4.5°F and 9.7°F respectively.

Bethany Beach on the Weather Map

Best Time to Visit Bethany Beach
The most sunny months:
November 17 days
October 16 days
December 13 days
The most warm months:
July 83.6 °F
August 81.1 °F
June 77.0 °F
Warmest sea temperature:
July 77.3 °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