Boston weather live forecast

Today's maximum temperature in Boston is expected to be 15°C. Select a day from the live weather forecast for Boston, Massachusetts, USA for more weather parameters.

Wednesday
13th May
15

9

1

5
Thursday
14th May
17

13

1

1
Friday
15th May
13

11

1

1
Saturday
16th May
22

12

10

7
Sunday
17th May
27

16

7

7

5-day weather forecast updated at 04:00 on Wednesday 13th May 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 13th May 2026

Expect mostly cloudy with light rain in Boston, Massachusetts with a maximum temperature of 15°C, maximum UV of 5 (Moderate) and 1 hour of bright sunshine. There are 0-2 mm of rainfall expected with 33% chance of some rain and a moderate breeze of 28 kph from the south.

15
°C maximum temperature
9
°C minimum temperature
mostly cloudy with light rain
1
hour of sunshine
5
UV index (Moderate)
33
% chance of some rain
<2
mm of rainfall expected
15
°C wind chill
28
kph wind from S

Boston weather for Thursday 14th May 2026

Expect cloudy with some rain in Boston, Massachusetts with a maximum temperature of 17°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 20-30 mm of rainfall expected with 99% chance of some rain and a moderate breeze of 22 kph from the east.

17
°C maximum temperature
13
°C minimum temperature
cloudy with some rain
1
hour of sunshine
1
UV index (Low)
99
% chance of some rain
<30
mm of rainfall expected
17
°C wind chill
22
kph wind from E

Boston weather for Friday 15th May 2026

Expect mostly cloudy with rain in Boston, Massachusetts with a maximum temperature of 13°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 20-30 mm of rainfall expected with 78% chance of some rain and a gentle breeze of 19 kph from the north-east.

13
°C maximum temperature
11
°C minimum temperature
mostly cloudy with rain
1
hour of sunshine
1
UV index (Low)
78
% chance of some rain
<30
mm of rainfall expected
13
°C wind chill
19
kph wind from NE

Boston weather for Saturday 16th May 2026

Expect scattered clouds in Boston, Massachusetts with a maximum temperature of 22°C, maximum UV of 7 (High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 23 kph from the south-west.

22
°C maximum temperature
12
°C minimum temperature
scattered clouds
10
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
23
kph wind from SW

Boston weather for Sunday 17th May 2026

Expect broken clouds in Boston, Massachusetts with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 7 (High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 23 kph from the west.