Current sea water temperature:
+74.5°F
| Minimum sea water temperature in August: | 79.2°F |
| Maximum sea water temperature in August: | 67.1°F |
| Average sea water temperature in August: | 73.0°F |
| more information | |
14 days
forecast
forecast
| Jamestown |
monthly
weather
weather
| Jamestown |
Sea water temperature for the last 10 days:
| August 10 | 74.5°F | August 5 | 70.7°F |
| August 9 | 74.8°F | August 4 | 70.5°F |
| August 8 | 74.5°F | August 3 | 71.8°F |
| August 7 | 73.0°F | August 2 | 70.9°F |
| August 6 | 71.1°F | August 1 | 71.2°F |
Monthly sea water temperature, °F
When is the warmest sea in Jamestown?
Based on the data about daily sea water temperature for the last three years the warmest sea in Jamestown was noticed in August, July and September.
Monthly Sea Temperatures in Jamestown, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 70.7°F. The highest and lowest sea temperatures during the month were 74.1°F and 67.1°F.
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 71.2°F. The highest and lowest sea temperatures during the month were 74.7°F and 68.7°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 68.7°F. The highest and lowest sea temperatures during the month were 70.0°F and 67.6°F.
current
weather
weather
| Jamestown |
weather in
August
August
| Jamestown |
Best time for vacation in Jamestown
Jamestown on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Jamestown
Local time: 11:32
August 10, monday
1200
86°F
N
7 mph
7 mph
1500
91°F
N
11 mph
11 mph
1800
79°F
NE
9 mph
9 mph
2100
75°F
NE
9 mph
9 mph
August 11, tuesday
0000
73°F
NE
7 mph
7 mph
0300
72°F
E
6 mph
6 mph
0600
72°F
SE
5 mph
5 mph
0900
75°F
S
5 mph
5 mph
