World Resorts

USA

Dewey Beach Weather

Dewey Beach 14 Days Forecast

26.02
thu

Day

39°F

W 6 mph

Precip.
0%

Night

36°F

SW 5 mph

Precip.
0%

27.02
fri

Day

34°F

W 6 mph

Precip.
0%

Night

28°F

NW 7 mph

Precip.
0%

28.02
sat

Day

36°F

N 7 mph

Precip.
0%

Night

32°F

N 7 mph

Precip.
0%

01.03
sun

Day

36°F

S 21 mph

Precip.
0%

Night

32°F

SW 16 mph

Precip.
0%

02.03
mon

Day

27°F

SW 9 mph

Precip.
100%

Night

28°F

W 11 mph

Precip.
0%

03.03
tue

Day

36°F

W 11 mph

Precip.
0%

Night

37°F

W 9 mph

Precip.
100%

04.03
wed

Day

43°F

E 7 mph

Precip.
24%

Night

43°F

NW 4 mph

Precip.
59%

05.03
thu

Day

50°F

N 9 mph

Precip.
44%

Night

41°F

SW 20 mph

Precip.
100%

06.03
fri

Day

39°F

SW 22 mph

Precip.
100%

Night

39°F

SW 11 mph

Precip.
66%

07.03
sat

Day

43°F

N 6 mph

Precip.
0%

Night

50°F

N 15 mph

Precip.
70%

08.03
sun

Day

59°F

E 15 mph

Precip.
0%

Night

55°F

NE 6 mph

Precip.
0%

09.03
mon

Day

55°F

N 11 mph

Precip.
76%

Night

55°F

NE 14 mph

Precip.
0%

10.03
tue

Day

63°F

NE 14 mph

Precip.
0%

Night

57°F

NE 12 mph

Precip.
0%

11.03
wed

Day

55°F

N 9 mph

Precip.
0%

Night

43°F

W 11 mph

Precip.
0%

sea water
temperature

Dewey Beach

monthly
weather

Dewey Beach

current
weather

Dewey Beach

7 days
forecast

Dewey Beach

January
February
March
April

May
June
July
August

September
October
November
December

Show year:

2026

2025

2024

The average sea water temperature in February of 2026 was 33.3°F. The highest and lowest sea temperatures during the month were 35.6°F and 31.5°F.

Show year:

2025

2024

2023

The average sea water temperature in March of 2025 was 44.5°F. The highest and lowest sea temperatures during the month were 49.1°F and 39.9°F.