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.

Thursday
17th Sep
25

18

4

4
Friday
18th Sep
23

16

8

6
Saturday
19th Sep
17

13

6

6
Sunday
20th Sep
16

13

0

1
Monday
21st Sep
18

14

1

5

5-day weather forecast updated at 04:00 on Thursday 17th 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 Thursday 17th September 2026

Expect broken clouds in Boston, Massachusetts with a maximum temperature of 25°C, maximum UV of 4 (Moderate) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the south.

25
°C maximum temperature
18
°C minimum temperature
broken clouds
4
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
25
°C wind chill
17
kph wind from S

Boston weather for Friday 18th September 2026

Expect sunshine and showers in Boston, Massachusetts with a maximum temperature of 23°C, maximum UV of 6 (High) and 8 hours of bright sunshine. There are 2-5 mm of rainfall expected with 11% chance of some rain and a moderate breeze of 20 kph from the north-west.

23
°C maximum temperature
16
°C minimum temperature
sunshine and showers
8
hours of sunshine
6
UV index (High)
11
% chance of some rain
<5
mm of rainfall expected
23
°C wind chill
20
kph wind from NW

Boston weather for Saturday 19th September 2026

Expect broken clouds in Boston, Massachusetts with a maximum temperature of 17°C, maximum UV of 6 (High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the north.

17
°C maximum temperature
13
°C minimum temperature
broken clouds
6
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
15
kph wind from N

Boston weather for Sunday 20th September 2026

Expect cloudy with some rain in Boston, Massachusetts with a maximum temperature of 16°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 74% chance of some rain and a gentle breeze of 19 kph from the south-east.

16
°C maximum temperature
13
°C minimum temperature
cloudy with some rain
0
hours of sunshine
1
UV index (Low)
74
% chance of some rain
<20
mm of rainfall expected
0
no heat & humidity
19
kph wind from SE

Boston weather for Monday 21st September 2026

Expect mostly cloudy with rain in Boston, Massachusetts with a maximum temperature of 18°C, maximum UV of 5 (Moderate) and 1 hour of bright sunshine. There are 5-10 mm of rainfall expected with 29% chance of some rain and a moderate breeze of 22 kph from the north-east.