Boston weather live forecast

Today's maximum temperature in Boston is expected to be 25°C. Select a day from the live weather forecast for Boston, Massachusetts, USA for more weather parameters.

Wednesday
9th Sep
25

18

3

4
Thursday
10th Sep
28

21

5

6
Friday
11th Sep
23

16

6

6
Saturday
12th Sep
22

14

5

5
Sunday
13th Sep
25

17

5

3

5-day weather forecast updated at 04:00 on Wednesday 9th 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 Wednesday 9th September 2026

Expect mostly cloudy with light rain in Boston, Massachusetts with a maximum temperature of 25°C, maximum UV of 4 (Moderate) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 26% chance of some rain and a moderate breeze of 28 kph from the south.

25
°C maximum temperature
18
°C minimum temperature
mostly cloudy with light rain
3
hours of sunshine
4
UV index (Moderate)
26
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
28
kph wind from S

Boston weather for Thursday 10th September 2026

Expect sunshine and showers in Boston, Massachusetts with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 6 (High) and 5 hours of bright sunshine. There are 2-5 mm of rainfall expected with 23% chance of some rain and a fresh breeze of 29 kph from the west.

28
°C maximum temperature
21
°C minimum temperature
sunshine and showers
5
hours of sunshine
6
UV index (High)
23
% chance of some rain
<5
mm of rainfall expected
L
low heat & humidity
29
kph wind from W

Boston weather for Friday 11th September 2026

Expect scattered clouds in Boston, Massachusetts with a maximum temperature of 23°C, maximum UV of 6 (High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the north-west.

23
°C maximum temperature
16
°C minimum temperature
scattered clouds
6
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
18
kph wind from NW

Boston weather for Saturday 12th September 2026

Expect broken clouds in Boston, Massachusetts with a maximum temperature of 22°C, maximum UV of 5 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the south-east.

22
°C maximum temperature
14
°C minimum temperature
broken clouds
5
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
17
kph wind from SE

Boston weather for Sunday 13th September 2026

Expect sunshine and showers in Boston, Massachusetts with a maximum temperature of 25°C, maximum UV of 3 (Moderate) and 5 hours of bright sunshine. There are 2-5 mm of rainfall expected with 26% chance of some rain and a gentle breeze of 19 kph from the south-west.