Measurements:
°C
°F
CURRENT WEATHER
14:23
Jamestown
90°F
NE 11 mph
Feels like: 92°F
Precip: 2%
World Resorts USA Jamestown Weather

7 Day Weather Forecast

08.05
wed
DAY
88°F
NE 11 mph
precip
4%
NIGHT
72°F
NE 7 mph
precip
28%
08.06
thu
DAY
86°F
NE 11 mph
precip
14%
NIGHT
76°F
NE 9 mph
precip
20%
08.07
fri
DAY
88°F
NE 11 mph
precip
5%
NIGHT
76°F
NE 6 mph
precip
22%
08.08
sat
DAY
84°F
NE 11 mph
precip
5%
NIGHT
74°F
E 7 mph
precip
25%
08.09
sun
DAY
88°F
NE 8 mph
precip
4%
NIGHT
76°F
NE 9 mph
precip
13%
08.10
mon
DAY
86°F
NE 10 mph
precip
5%
NIGHT
76°F
NE 7 mph
precip
16%
08.11
tue
DAY
86°F
E 9 mph
precip
6%
NIGHT
70°F
W 3 mph
precip
13%

Jamestown Sea Water Temperature in August, °F

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Jamestown was 21.5°F. The maximum and minimum values were 19.5°F and 23.4°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 82.8 °F
August 81.0 °F
June 76.5 °F
Warmest sea temperature:
August 75.5 °F
July 74.7 °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
more details