Measurements:
°C
°F
CURRENT WEATHER
17:33
Chatham
80°F
NE 14 mph
Feels like: 82°F
Precip: 5%
World Resorts USA Chatham Weather

7 Day Weather Forecast

08.25
tue
DAY
80°F
NE 8 mph
precip
3%
NIGHT
70°F
E 8 mph
precip
8%
08.26
wed
DAY
74°F
SE 7 mph
precip
4%
NIGHT
72°F
NE 11 mph
precip
21%
08.27
thu
DAY
78°F
NE 11 mph
precip
18%
NIGHT
72°F
N 10 mph
precip
28%
08.28
fri
DAY
78°F
NW 7 mph
precip
12%
NIGHT
74°F
NE 7 mph
precip
29%
08.29
sat
DAY
72°F
S 9 mph
precip
18%
NIGHT
66°F
N 7 mph
precip
25%
08.30
sun
DAY
78°F
N 7 mph
precip
3%
NIGHT
72°F
N 6 mph
precip
68%
08.31
mon
DAY
72°F
SE 9 mph
precip
9%
NIGHT
68°F
W 5 mph
precip
27%

Chatham Sea Water Temperature in August, °F

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Chatham was 20.7°F. The maximum and minimum values were 18.7°F and 22.9°F respectively.

Chatham on the Weather Map

Best Time to Visit Chatham
The most sunny months:
June 15 days
November 14 days
July 13 days
The most warm months:
July 77.4 °F
August 76.2 °F
September 70.6 °F
Warmest sea temperature:
August 70.8 °F
July 69.9 °F
September 67.2 °F
The most cold months:
January 34.5 °F
February 34.7 °F
December 40.6 °F
The most rainy months:
October 3 days
January 2 days
April 2 days
The most windy months:
January 14 mph
December 14 mph
March 14 mph
more details