Boston weather live forecast

Today's maximum temperature in Boston is expected to be 27°C. Select a day from the live weather forecast for Boston, Massachusetts, USA for more weather parameters.

Sunday
16th Aug
27

19

9

7
Monday
17th Aug
22

21

0

2
Tuesday
18th Aug
26

21

5

5
Wednesday
19th Aug
29

20

11

7
Thursday
20th Aug
27

21

4

1

5-day weather forecast updated at 04:00 on Sunday 16th August 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 Sunday 16th August 2026

Expect scattered clouds in Boston, Massachusetts with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 7 (High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 22 kph from the south.

27
°C maximum temperature
19
°C minimum temperature
scattered clouds
9
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
22
kph wind from S

Boston weather for Monday 17th August 2026

Expect cloudy with some rain in Boston, Massachusetts with a maximum temperature of 22°C, maximum UV of 2 (Low) and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 83% chance of some rain and a moderate breeze of 21 kph from the south.

22
°C maximum temperature
21
°C minimum temperature
cloudy with some rain
0
hours of sunshine
2
UV index (Low)
83
% chance of some rain
<20
mm of rainfall expected
0
no heat & humidity
21
kph wind from S

Boston weather for Tuesday 18th August 2026

Expect broken clouds in Boston, Massachusetts with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 5 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the north.

26
°C maximum temperature
21
°C minimum temperature
broken clouds
5
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
L
low heat & humidity
15
kph wind from N

Boston weather for Wednesday 19th August 2026

Expect scattered clouds in Boston, Massachusetts with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 7 (High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the south-west.

29
°C maximum temperature
20
°C minimum temperature
scattered clouds
11
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
M
moderate heat & humidity
17
kph wind from SW

Boston weather for Thursday 20th August 2026

Expect isolated thunderstorms in Boston, Massachusetts with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 1 (Low) and 4 hours of bright sunshine. There are 5-10 mm of rainfall expected with 53% chance of some rain and a gentle breeze of 15 kph from the west.