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Bethany Beach Weather

Bethany Beach 14 Days Forecast

21.07
tue

Day

84°F

N 17 mph

Precip.
8%

Night

75°F

NE 20 mph

Precip.
28%

22.07
wed

Day

79°F

NE 21 mph

Precip.
72%

Night

73°F

SE 12 mph

Precip.
14%

23.07
thu

Day

70°F

S 15 mph

Precip.
3%

Night

72°F

S 7 mph

Precip.
3%

24.07
fri

Day

73°F

SW 9 mph

Precip.
3%

Night

72°F

W 11 mph

Precip.
11%

25.07
sat

Day

73°F

SW 12 mph

Precip.
29%

Night

73°F

W 9 mph

Precip.
16%

26.07
sun

Day

75°F

SW 11 mph

Precip.
4%

Night

72°F

NE 11 mph

Precip.
7%

27.07
mon

Day

79°F

NE 15 mph

Precip.
4%

Night

73°F

E 15 mph

Precip.
41%

28.07
tue

Day

79°F

E 7 mph

Precip.
8%

Night

75°F

SE 9 mph

Precip.
8%

29.07
wed

Day

75°F

E 10 mph

Precip.
5%

Night

75°F

N 6 mph

Precip.
9%

30.07
thu

Day

77°F

SW 8 mph

Precip.
6%

Night

75°F

W 7 mph

Precip.
12%

31.07
fri

Day

75°F

W 7 mph

Precip.
11%

Night

75°F

N 14 mph

Precip.
10%

01.08
sat

Day

82°F

N 17 mph

Precip.
6%

Night

79°F

NE 15 mph

Precip.
41%

02.08
sun

Day

82°F

NE 6 mph

Precip.
24%

Night

79°F

NE 8 mph

Precip.
14%

03.08
mon

Day

84°F

NE 8 mph

Precip.
6%

Night

79°F

NE 14 mph

Precip.
15%

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:

2026

2025

2024

The average sea water temperature in July of 2026 was 74.0°F. The highest and lowest sea temperatures during the month were 76.3°F and 71.4°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.