26.02
thu
thu
Day
39°F
SW 7 mph
Precip.
0%
0%
Night
37°F
SW 6 mph
Precip.
64%
64%
27.02
fri
fri
Day
37°F
W 3 mph
Precip.
0%
0%
Night
36°F
NW 7 mph
Precip.
0%
0%
28.02
sat
sat
Day
37°F
NW 5 mph
Precip.
0%
0%
Night
39°F
N 7 mph
Precip.
0%
0%
01.03
sun
sun
Day
39°F
S 16 mph
Precip.
0%
0%
Night
34°F
SW 14 mph
Precip.
0%
0%
02.03
mon
mon
Day
30°F
S 9 mph
Precip.
71%
71%
Night
30°F
SW 11 mph
Precip.
0%
0%
03.03
tue
tue
Day
37°F
W 12 mph
Precip.
0%
0%
Night
43°F
N 14 mph
Precip.
100%
100%
04.03
wed
wed
Day
45°F
E 8 mph
Precip.
100%
100%
Night
43°F
NW 5 mph
Precip.
27%
27%
sea water
temperature
temperature
| Dewey Beach |
monthly
weather
weather
| Dewey Beach |
current
weather
weather
| Dewey Beach |
14 days
forecast
forecast
| Dewey Beach |
Sea water temperature in February, °F
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.
Sea water temperature in March, °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.
Air temperature in Dewey Beach, °F
Precipitation total in Dewey Beach, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Dewey Beach
Dewey Beach on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Dewey Beach
Local time: 13:26
February 26, thursday
1500
41°F
W
11 mph
11 mph
1800
41°F
SW
10 mph
10 mph
2100
37°F
SW
9 mph
9 mph
February 27, friday
0000
37°F
SW
6 mph
6 mph
0300
37°F
SW
5 mph
5 mph
0600
36°F
SW
6 mph
6 mph
0900
36°F
W
6 mph
6 mph
1200
37°F
W
3 mph
3 mph
