Measurements:
°C
°F
Provincetown
74°F
NE 16 mph
Feels like: 74°F
Precip: 0%
World Resorts USA Provincetown Weather

Provincetown Sea Water Temperature

Current Sea Water Temperature:
+54.0°F
Maximum Sea Water Temperature in June: 69.2°F
Minimum Sea Water Temperature in June: 51.8°F
Average water temperature in June: 61.1°F

Sea Water Temperature for the Last 10 Days:

June 04 54.0°F May 29 55.2°F
June 03 51.8°F May 28 54.8°F
June 01 54.8°F May 27 52.4°F
May 31 54.4°F May 26 52.0°F
May 30 56.2°F May 25 54.0°F

When is the Warmest Sea for Provincetown?

According to our data for the last three years for Provincetown the highest average sea water temperature was in August, July and September.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Provincetown was 68.7°F. The maximum and minimum values were 63.6°F and 75.0°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Provincetown was 69.4°F. The maximum and minimum values were 65.2°F and 71.8°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Provincetown was 66.8°F. The maximum and minimum values were 63.0°F and 69.4°F respectively.

Best Time to Visit Provincetown
The most sunny months:
November 15 days
August 13 days
June 13 days
The most warm months:
July 77.0 °F
August 76.1 °F
September 70.7 °F
Warmest sea temperature:
August 70.4 °F
July 69.5 °F
September 67.0 °F
The most cold months:
January 34.0 °F
February 34.3 °F
December 39.8 °F
The most rainy months:
October 3 days
December 3 days
July 2 days
The most windy months:
December 15 mph
January 15 mph
February 14 mph

Provincetown on the Weather Map

USA Resorts:
NAME
Boston +90
Chicago +76
Hawaii +78
Honolulu +78
Houston +86
Las Vegas +92
Los Angeles +70
Maui +70
Miami +82
Miami Beach +84
New York +94
San Diego +64
San Francisco +60
Sarasota +94
Tampa +92
24 Hours Weather Forecast
Provincetown
Local time: 12:54
04 jun, thursday
1500 76°F
N
21 mph
1800 68°F
NE
22 mph
2100 62°F
NE
19 mph
05 jun, friday
0000 58°F
NE
19 mph
0300 58°F
NE
17 mph
0600 58°F
E
13 mph
0900 60°F
E
9 mph
1200 62°F
S
4 mph