Measurements:
°C
°F
Chatham
58°F
S 14 mph
Feels like: 54°F
Precip: 21%
World Resorts USA Chatham Weather

7 Day Weather Forecast

10.26
mon
DAY
62°F
NE 13 mph
precip
3%
NIGHT
58°F
S 14 mph
precip
21%
10.27
tue
DAY
50°F
SW 14 mph
precip
3%
NIGHT
46°F
N 2 mph
precip
4%
10.28
wed
DAY
52°F
N 6 mph
precip
5%
NIGHT
52°F
NE 11 mph
precip
21%
10.29
thu
DAY
62°F
NE 14 mph
precip
5%
NIGHT
58°F
NE 16 mph
precip
12%
10.30
fri
DAY
64°F
E 11 mph
precip
6%
NIGHT
56°F
S 14 mph
precip
6%
10.31
sat
DAY
54°F
NE 9 mph
precip
9%
NIGHT
52°F
N 5 mph
precip
17%
11.01
sun
DAY
54°F
N 6 mph
precip
12%
NIGHT
56°F
NE 5 mph
precip
16%

Chatham Sea Water Temperature in October, °F

Select Year: 2026 2025 2024

The average sea surface temperature in October 2026 for Chatham was 14.7°F. The maximum and minimum values were 13.0°F and 16.3°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