Boston weather live forecast

Today's maximum temperature in Boston is expected to be 20°C. Select a day from the live weather forecast for Boston, Massachusetts, USA for more weather parameters.

Tuesday
1st Sep
20

17

0

1
Wednesday
2nd Sep
20

17

4

5
Thursday
3rd Sep
23

19

3

2
Friday
4th Sep
26

19

8

5
Saturday
5th Sep
21

18

2

2

5-day weather forecast updated at 04:00 on Tuesday 1st September 2026 GMT

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

Boston weather forecast by day

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

Boston weather for Tuesday 1st September 2026

Expect cloudy with some rain in Boston, Massachusetts with a maximum temperature of 20°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 20-30 mm of rainfall expected with 79% chance of some rain and a moderate breeze of 22 kph from the east.

20
°C maximum temperature
17
°C minimum temperature
cloudy with some rain
0
hours of sunshine
1
UV index (Low)
79
% chance of some rain
<30
mm of rainfall expected
20
°C wind chill
22
kph wind from E

Boston weather for Wednesday 2nd September 2026

Expect mostly cloudy with light rain in Boston, Massachusetts with a maximum temperature of 20°C, maximum UV of 5 (Moderate) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 37% chance of some rain and a gentle breeze of 19 kph from the east.

20
°C maximum temperature
17
°C minimum temperature
mostly cloudy with light rain
4
hours of sunshine
5
UV index (Moderate)
37
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
19
kph wind from E

Boston weather for Thursday 3rd September 2026

Expect isolated thunderstorms in Boston, Massachusetts with a maximum temperature of 23°C, maximum UV of 2 (Low) and 3 hours of bright sunshine. There are 20-30 mm of rainfall expected with 82% chance of some rain and a gentle breeze of 18 kph from the south.

23
°C maximum temperature
19
°C minimum temperature
isolated thunderstorms
3
hours of sunshine
2
UV index (Low)
82
% chance of some rain
<30
mm of rainfall expected
0
no heat & humidity
18
kph wind from S

Boston weather for Friday 4th September 2026

Expect scattered clouds in Boston, Massachusetts with a maximum temperature of 26°C, maximum UV of 5 (Moderate) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the north-west.

26
°C maximum temperature
19
°C minimum temperature
scattered clouds
8
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
26
°C wind chill
18
kph wind from NW

Boston weather for Saturday 5th September 2026

Expect mostly cloudy with light rain in Boston, Massachusetts with a maximum temperature of 21°C, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 38% chance of some rain and a moderate breeze of 20 kph from the north.