Measurements:
°C
°F
Jamestown
96°F
SE 14 mph
Feels like: 98°F
Precip: 2%
World Resorts USA Jamestown Weather

7 Day Weather Forecast

07.15
wed
DAY
98°F
E 13 mph
precip
3%
NIGHT
78°F
S 6 mph
precip
1%
07.16
thu
DAY
88°F
E 11 mph
precip
1%
NIGHT
70°F
W 3 mph
precip
6%
07.17
fri
DAY
82°F
E 5 mph
precip
1%
NIGHT
68°F
NE 8 mph
precip
6%
07.18
sat
DAY
80°F
NE 17 mph
precip
7%
NIGHT
74°F
NE 17 mph
precip
36%
07.19
sun
DAY
86°F
E 17 mph
precip
4%
NIGHT
66°F
SE 9 mph
precip
4%
07.20
mon
DAY
78°F
NE 8 mph
precip
2%
NIGHT
70°F
NE 9 mph
precip
17%
07.21
tue
DAY
78°F
NE 17 mph
precip
46%
NIGHT
68°F
SE 13 mph
precip
6%

Jamestown Sea Water Temperature in July, °F

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Jamestown was 22.3°F. The maximum and minimum values were 20.7°F and 23.7°F respectively.

Jamestown on the Weather Map

Best Time to Visit Jamestown
The most sunny months:
November 17 days
October 14 days
September 14 days
The most warm months:
July 82.3 °F
August 81.0 °F
June 76.5 °F
Warmest sea temperature:
August 75.5 °F
July 74.8 °F
September 71.9 °F
The most cold months:
January 34.7 °F
February 35.7 °F
December 39.9 °F
The most rainy months:
March 3 days
October 3 days
November 2 days
The most windy months:
January 10 mph
December 10 mph
March 9 mph