Chatham weather live forecast

Today's maximum temperature in Chatham is expected to be 21°C. Select a day from the live weather forecast for Chatham, Massachusetts, USA for more weather parameters.

Tuesday
1st Sep
21

16

1

1
Wednesday
2nd Sep
22

17

7

6
Thursday
3rd Sep
24

18

2

3
Friday
4th Sep
24

19

9

6
Saturday
5th Sep
21

17

5

4

5-day weather forecast updated at 04:03 on Tuesday 1st September 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 Tuesday 1st September 2026

Expect isolated thunderstorms in Chatham, Massachusetts with a maximum temperature of 21°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 5-10 mm of rainfall expected with 76% chance of some rain and a gentle breeze of 15 kph from the south-east.

21
°C maximum temperature
16
°C minimum temperature
isolated thunderstorms
1
hour of sunshine
1
UV index (Low)
76
% chance of some rain
<10
mm of rainfall expected
0
no heat & humidity
15
kph wind from SE

Chatham weather for Wednesday 2nd September 2026

Expect isolated thunderstorms in Chatham, Massachusetts with a maximum temperature of 22°C, maximum UV of 6 (High) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 14% chance of some rain and a gentle breeze of 14 kph from the east.

22
°C maximum temperature
17
°C minimum temperature
isolated thunderstorms
7
hours of sunshine
6
UV index (High)
14
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
14
kph wind from E

Chatham weather for Thursday 3rd September 2026

Expect isolated thunderstorms in Chatham, Massachusetts with a maximum temperature of 24°C, maximum UV of 3 (Moderate) and 2 hours of bright sunshine. There are 10-20 mm of rainfall expected with 84% chance of some rain and a gentle breeze of 13 kph from the south.

24
°C maximum temperature
18
°C minimum temperature
isolated thunderstorms
2
hours of sunshine
3
UV index (Moderate)
84
% chance of some rain
<20
mm of rainfall expected
0
no heat & humidity
13
kph wind from S

Chatham weather for Friday 4th September 2026

Expect sunshine and showers in Chatham, Massachusetts with a maximum temperature of 24°C, maximum UV of 6 (High) and 9 hours of bright sunshine. There are 0-2 mm of rainfall expected with 37% chance of some rain and a gentle breeze of 13 kph from the north-west.

24
°C maximum temperature
19
°C minimum temperature
sunshine and showers
9
hours of sunshine
6
UV index (High)
37
% chance of some rain
<2
mm of rainfall expected
24
°C wind chill
13
kph wind from NW

Chatham weather for Saturday 5th September 2026

Expect mostly cloudy with light rain in Chatham, Massachusetts with a maximum temperature of 21°C, maximum UV of 4 (Moderate) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 36% chance of some rain and a gentle breeze of 18 kph from the north.