Measurements:
°C
°F
Provincetown
58°F
S 19 mph
Feels like: 54°F
Precip: 16%
World Resorts USA Provincetown Weather

Provincetown Sea Water Temperature

Current Sea Water Temperature:
+57.8°F
Maximum Sea Water Temperature in October: 66.8°F
Minimum Sea Water Temperature in October: 54.6°F
Average water temperature in October: 60.5°F

Sea Water Temperature for the Last 10 Days:

October 26 57.8°F October 21 57.8°F
October 25 58.0°F October 20 59.2°F
October 24 56.6°F October 19 59.0°F
October 23 58.0°F October 18 59.4°F
October 22 58.0°F October 17 59.8°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: 2026 2025 2024

The average sea surface temperature in August 2026 for Provincetown was 71.9°F. The maximum and minimum values were 67.2°F and 75.8°F respectively.

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Provincetown was 68.8°F. The maximum and minimum values were 65.2°F and 72.8°F respectively.

Sea Water Temperature in September

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Provincetown was 66.3°F. The maximum and minimum values were 60.2°F and 72.6°F respectively.

Best Time to Visit Provincetown
The most sunny months:
November 15 days
June 14 days
August 13 days
The most warm months:
July 77.3 °F
August 76.5 °F
September 70.2 °F
Warmest sea temperature:
August 70.6 °F
July 69.4 °F
September 66.9 °F
The most cold months:
January 34.0 °F
February 34.3 °F
December 39.8 °F
The most rainy months:
December 3 days
January 2 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
F°
Boston +58
Chicago +58
Hawaii +80
Houston +74
Las Vegas +64
Los Angeles +74
Maui +72
Miami +82
New York +62
Panama City Beach +64
San Diego +74
San Francisco +60
Santa Monica +72
Tampa +72
Washington +58
24 Hours Weather Forecast
Provincetown
Local time: 00:48
27 oct, tuesday
0300 56°F
S
19 mph
0600 52°F
SW
23 mph
0900 50°F
SW
20 mph
1200 48°F
SW
16 mph
1500 48°F
SW
11 mph
1800 48°F
W
8 mph
2100 48°F
NW
6 mph
28 oct, wednesday
0000 50°F
NE
6 mph