Measurements:
°C
°F
CURRENT WEATHER
19:48
Chatham
60°F
E 20 mph
Feels like: 56°F
Precip: 2%
World Resorts USA Chatham Weather

7 Day Weather Forecast

10.05
mon
DAY
66°F
E 11 mph
precip
5%
NIGHT
56°F
SE 19 mph
precip
2%
10.06
tue
DAY
54°F
SE 15 mph
precip
2%
NIGHT
54°F
SE 9 mph
precip
3%
10.07
wed
DAY
60°F
NE 12 mph
precip
1%
NIGHT
62°F
NE 17 mph
precip
7%
10.08
thu
DAY
70°F
NE 22 mph
precip
11%
NIGHT
64°F
SE 9 mph
precip
14%
10.09
fri
DAY
62°F
SE 15 mph
precip
2%
NIGHT
56°F
E 11 mph
precip
3%
10.10
sat
DAY
58°F
SE 14 mph
precip
3%
NIGHT
54°F
S 6 mph
precip
11%
10.11
sun
DAY
62°F
N 15 mph
precip
16%
NIGHT
62°F
N 14 mph
precip
36%

Chatham Sea Water Temperature in October, °F

Select Year: 2025 2024 2023

The average sea surface temperature in October 2025 for Chatham was 15.0°F. The maximum and minimum values were 12.7°F and 18.0°F respectively.

Chatham on the Weather Map

Best Time to Visit Chatham
The most sunny months:
June 15 days
November 14 days
August 14 days
The most warm months:
July 77.4 °F
August 76.9 °F
September 70.4 °F
Warmest sea temperature:
August 70.8 °F
July 69.9 °F
September 67.1 °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