Measurements:
°C
°F
CURRENT WEATHER
17:32
Chatham
82°F
E 2 mph
Feels like: 84°F
Precip: 1%
World Resorts USA Chatham Weather

7 Day Weather Forecast

07.15
wed
DAY
92°F
E 11 mph
precip
5%
NIGHT
70°F
SE 11 mph
precip
4%
07.16
thu
DAY
84°F
NE 12 mph
precip
3%
NIGHT
70°F
NE 2 mph
precip
9%
07.17
fri
DAY
74°F
S 11 mph
precip
2%
NIGHT
72°F
NE 13 mph
precip
6%
07.18
sat
DAY
80°F
NE 18 mph
precip
5%
NIGHT
74°F
NE 25 mph
precip
31%
07.19
sun
DAY
80°F
NE 23 mph
precip
20%
NIGHT
70°F
E 6 mph
precip
5%
07.20
mon
DAY
76°F
NE 7 mph
precip
2%
NIGHT
72°F
NE 13 mph
precip
7%
07.21
tue
DAY
78°F
N 21 mph
precip
57%
NIGHT
72°F
SE 16 mph
precip
8%

Chatham Sea Water Temperature in July, °F

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Chatham was 19.9°F. The maximum and minimum values were 18.6°F and 20.7°F respectively.

Chatham on the Weather Map

Best Time to Visit Chatham
The most sunny months:
June 15 days
November 14 days
August 13 days
The most warm months:
July 76.9 °F
August 76.2 °F
September 70.6 °F
Warmest sea temperature:
August 70.7 °F
July 69.8 °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