Boston weather live forecast

Today's maximum temperature in Boston is expected to be 28°C. Select a day from the live weather forecast for Boston, Massachusetts, USA for more weather parameters.

Wednesday
12th Aug
28

22

9

6
Thursday
13th Aug
27

22

8

5
Friday
14th Aug
27

20

12

6
Saturday
15th Aug
26

17

11

6
Sunday
16th Aug
26

17

4

5

5-day weather forecast updated at 04:00 on Wednesday 12th 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 Wednesday 12th August 2026

Expect scattered clouds in Boston, Massachusetts with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 6 (High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the north-west.

28
°C maximum temperature
22
°C minimum temperature
scattered clouds
9
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
12
kph wind from NW

Boston weather for Thursday 13th August 2026

Expect isolated thunderstorms in Boston, Massachusetts with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 5 (Moderate) and 8 hours of bright sunshine. There are 0-2 mm of rainfall expected with 28% chance of some rain and a light breeze of 12 kph from the west.

27
°C maximum temperature
22
°C minimum temperature
isolated thunderstorms
8
hours of sunshine
5
UV index (Moderate)
28
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
12
kph wind from W

Boston weather for Friday 14th August 2026

Expect scattered clouds in Boston, Massachusetts with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 6 (High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the north-west.

27
°C maximum temperature
20
°C minimum temperature
scattered clouds
12
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
17
kph wind from NW

Boston weather for Saturday 15th August 2026

Expect scattered clouds in Boston, Massachusetts with a maximum temperature of 26°C, maximum UV of 6 (High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the north.

26
°C maximum temperature
17
°C minimum temperature
scattered clouds
11
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
26
°C wind chill
17
kph wind from N

Boston weather for Sunday 16th August 2026

Expect broken clouds in Boston, Massachusetts with a maximum temperature of 26°C, maximum UV of 5 (Moderate) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 22 kph from the south.