Chatham weather live forecast

Today's maximum temperature in Chatham is expected to be 19°C. Select a day from the live weather forecast for Chatham, Massachusetts, USA for more weather parameters.

Sunday
17th May
19

14

11

8
Monday
18th May
16

11

12

8
Tuesday
19th May
17

12

11

8
Wednesday
20th May
18

13

10

8
Thursday
21st May
17

13

5

8

5-day weather forecast updated at 04:02 on Sunday 17th May 2026 GMT

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The 5-day weather forecast for Massachusetts (Chatham) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Chatham weather forecast by day

Below are the detailed weather forecasts for Chatham for the next 5 days.

Chatham weather for Sunday 17th May 2026

Expect sunshine and showers in Chatham, Massachusetts with a maximum temperature of 19°C, maximum UV of 8 (Very High) and 11 hours of bright sunshine. There are 0-2 mm of rainfall expected with 2% chance of some rain and a moderate breeze of 20 kph from the south-west.

19
°C maximum temperature
14
°C minimum temperature
sunshine and showers
11
hours of sunshine
8
UV index (Very High)
2
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
20
kph wind from SW

Chatham weather for Monday 18th May 2026

Expect scattered clouds in Chatham, Massachusetts with a maximum temperature of 16°C, maximum UV of 8 (Very High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the south.

16
°C maximum temperature
11
°C minimum temperature
scattered clouds
12
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
16
°C wind chill
12
kph wind from S

Chatham weather for Tuesday 19th May 2026

Expect scattered clouds in Chatham, Massachusetts with a maximum temperature of 17°C, maximum UV of 8 (Very High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 20 kph from the south-west.

17
°C maximum temperature
12
°C minimum temperature
scattered clouds
11
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
0
no heat & humidity
20
kph wind from SW

Chatham weather for Wednesday 20th May 2026

Expect sunshine and showers in Chatham, Massachusetts with a maximum temperature of 18°C, maximum UV of 8 (Very High) and 10 hours of bright sunshine. There are 0-2 mm of rainfall expected with 47% chance of some rain and a moderate breeze of 20 kph from the south-west.

18
°C maximum temperature
13
°C minimum temperature
sunshine and showers
10
hours of sunshine
8
UV index (Very High)
47
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
20
kph wind from SW

Chatham weather for Thursday 21st May 2026

Expect broken clouds in Chatham, Massachusetts with a maximum temperature of 17°C, maximum UV of 8 (Very High) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the north.