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Bethany Beach Weather

Bethany Beach 14 Days Forecast

25.12
thu

Day

41°F

NE 19 mph

Precip.
0%

Night

37°F

S 19 mph

Precip.
0%

26.12
fri

Day

30°F

W 8 mph

Precip.
0%

Night

37°F

N 12 mph

Precip.
100%

27.12
sat

Day

45°F

SW 13 mph

Precip.
0%

Night

37°F

S 13 mph

Precip.
0%

28.12
sun

Day

37°F

E 6 mph

Precip.
0%

Night

45°F

N 20 mph

Precip.
0%

29.12
mon

Day

52°F

E 26 mph

Precip.
100%

Night

32°F

SE 25 mph

Precip.
0%

30.12
tue

Day

30°F

E 27 mph

Precip.
0%

Night

30°F

SE 21 mph

Precip.
0%

31.12
wed

Day

34°F

E 15 mph

Precip.
0%

Night

36°F

NE 12 mph

Precip.
0%

01.01
thu

Day

41°F

E 5 mph

Precip.
0%

Night

39°F

S 5 mph

Precip.
0%

02.01
fri

Day

43°F

NW 6 mph

Precip.
0%

Night

43°F

N 9 mph

Precip.
0%

03.01
sat

Day

46°F

N 14 mph

Precip.
0%

Night

48°F

NE 14 mph

Precip.
0%

04.01
sun

Day

52°F

NE 13 mph

Precip.
26%

Night

43°F

SE 16 mph

Precip.
0%

05.01
mon

Day

36°F

SE 14 mph

Precip.
0%

Night

36°F

S 11 mph

Precip.
0%

06.01
tue

Day

36°F

S 16 mph

Precip.
0%

Night

34°F

SW 12 mph

Precip.
0%

07.01
wed

Day

39°F

NW 11 mph

Precip.
0%

Night

45°F

NW 22 mph

Precip.
100%

sea water
temperature

Bethany Beach

monthly
weather

Bethany Beach

current
weather

Bethany Beach

7 days
forecast

Bethany Beach

January
February
March
April

May
June
July
August

September
October
November
December

Show year:

2025

2024

2023

The average sea water temperature in December of 2025 was 44.8°F. The highest and lowest sea temperatures during the month were 50.5°F and 41.5°F.

Show year:

2025

2024

2023

The average sea water temperature in January of 2025 was 38.9°F. The highest and lowest sea temperatures during the month were 45.5°F and 34.9°F.