18.03
wed
wed
Day
30°F
SE 14 mph
Precip.
0%
0%
Night
30°F
N 12 mph
Precip.
0%
0%
19.03
thu
thu
Day
34°F
NW 12 mph
Precip.
0%
0%
Night
36°F
NE 16 mph
Precip.
0%
0%
20.03
fri
fri
Day
37°F
NE 5 mph
Precip.
0%
0%
Night
41°F
N 22 mph
Precip.
0%
0%
21.03
sat
sat
Day
43°F
SW 2 mph
Precip.
0%
0%
Night
39°F
SW 4 mph
Precip.
0%
0%
22.03
sun
sun
Day
43°F
NE 14 mph
Precip.
0%
0%
Night
39°F
SW 18 mph
Precip.
100%
100%
23.03
mon
mon
Day
34°F
SW 25 mph
Precip.
100%
100%
Night
37°F
SW 19 mph
Precip.
29%
29%
24.03
tue
tue
Day
32°F
S 23 mph
Precip.
48%
48%
Night
34°F
NE 14 mph
Precip.
0%
0%
sea water
temperature
temperature
| Provincetown |
monthly
weather
weather
| Provincetown |
current
weather
weather
| Provincetown |
14 days
forecast
forecast
| Provincetown |
Sea water temperature in March, °F
Show year:
2026
2025
2024
The average sea water temperature in March of 2026 was 36.4°F. The highest and lowest sea temperatures during the month were 37.6°F and 35.1°F.
Sea water temperature in April, °F
Show year:
2025
2024
2023
The average sea water temperature in April of 2025 was 42.3°F. The highest and lowest sea temperatures during the month were 46.6°F and 39.6°F.
Air temperature in Provincetown, °F
Precipitation total in Provincetown, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Provincetown
Provincetown on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Provincetown
Local time: 17:37
March 18, wednesday
1800
32°F
NW
11 mph
11 mph
2100
30°F
N
14 mph
14 mph
March 19, thursday
0000
30°F
N
12 mph
12 mph
0300
30°F
NW
11 mph
11 mph
0600
32°F
NW
11 mph
11 mph
0900
34°F
NW
12 mph
12 mph
1200
34°F
NW
12 mph
12 mph
1500
36°F
NW
15 mph
15 mph
