25.06
thu
thu
Day
82°F
NE 9 mph
Precip.
1%
1%
Night
66°F
NE 5 mph
Precip.
27%
27%
26.06
fri
fri
Day
68°F
NE 13 mph
Precip.
40%
40%
Night
66°F
NE 8 mph
Precip.
19%
19%
27.06
sat
sat
Day
73°F
N 6 mph
Precip.
17%
17%
Night
61°F
SW 6 mph
Precip.
21%
21%
28.06
sun
sun
Day
75°F
N 4 mph
Precip.
4%
4%
Night
63°F
NE 4 mph
Precip.
17%
17%
29.06
mon
mon
Day
73°F
N 8 mph
Precip.
46%
46%
Night
64°F
NE 7 mph
Precip.
14%
14%
30.06
tue
tue
Day
73°F
NE 16 mph
Precip.
6%
6%
Night
66°F
NE 15 mph
Precip.
51%
51%
01.07
wed
wed
Day
81°F
NE 14 mph
Precip.
5%
5%
Night
72°F
NE 8 mph
Precip.
16%
16%
sea water
temperature
temperature
| Jamestown |
monthly
weather
weather
| Jamestown |
current
weather
weather
| Jamestown |
14 days
forecast
forecast
| Jamestown |
Sea water temperature in June, °F
Show year:
2026
2025
2024
The average sea water temperature in June of 2026 was 61.5°F. The highest and lowest sea temperatures during the month were 66.6°F and 57.4°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 71.0°F. The highest and lowest sea temperatures during the month were 73.9°F and 67.3°F.
Air temperature in Jamestown, °F
Precipitation total in Jamestown, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Jamestown
Jamestown on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Jamestown
Local time: 08:16
June 25, thursday
0900
73°F
NE
3 mph
3 mph
1200
82°F
NE
9 mph
9 mph
1500
82°F
NE
12 mph
12 mph
1800
73°F
N
9 mph
9 mph
2100
66°F
N
7 mph
7 mph
June 26, friday
0000
66°F
NE
5 mph
5 mph
0300
63°F
E
4 mph
4 mph
0600
63°F
N
8 mph
8 mph
