Measurements:
°C
°F
Chatham
82°F
NE 13 mph
Feels like: 86°F
Precip: 5%
World Resorts USA Chatham Weather

7 Day Weather Forecast

08.05
wed
DAY
84°F
NE 9 mph
precip
7%
NIGHT
72°F
NE 11 mph
precip
12%
08.06
thu
DAY
84°F
NE 13 mph
precip
9%
NIGHT
78°F
NE 13 mph
precip
15%
08.07
fri
DAY
84°F
NE 11 mph
precip
7%
NIGHT
76°F
NE 8 mph
precip
18%
08.08
sat
DAY
82°F
NE 12 mph
precip
10%
NIGHT
74°F
NE 12 mph
precip
69%
08.09
sun
DAY
82°F
E 6 mph
precip
7%
NIGHT
78°F
NE 12 mph
precip
11%
08.10
mon
DAY
82°F
NE 13 mph
precip
9%
NIGHT
76°F
NE 12 mph
precip
62%
08.11
tue
DAY
80°F
E 5 mph
precip
21%
NIGHT
70°F
W 6 mph
precip
18%

Chatham Sea Water Temperature in August, °F

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Chatham was 19.9°F. The maximum and minimum values were 18.4°F and 21.3°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 70.7 °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