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.

Saturday
18th Jul
28

21

5

5
Sunday
19th Jul
26

20

11

7
Monday
20th Jul
26

18

13

8
Tuesday
21st Jul
26

18

4

6
Wednesday
22nd Jul
27

22

6

5

5-day weather forecast updated at 04:00 on Saturday 18th July 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 Saturday 18th July 2026

Expect isolated thunderstorms in Boston, Massachusetts with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 5 (Moderate) and 5 hours of bright sunshine. There are 2-5 mm of rainfall expected with 60% chance of some rain and a fresh breeze of 33 kph from the south-west.

28
°C maximum temperature
21
°C minimum temperature
isolated thunderstorms
5
hours of sunshine
5
UV index (Moderate)
60
% chance of some rain
<5
mm of rainfall expected
L
low heat & humidity
33
kph wind from SW

Boston weather for Sunday 19th July 2026

Expect scattered clouds in Boston, Massachusetts with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 7 (High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 26 kph from the north-west.

26
°C maximum temperature
20
°C minimum temperature
scattered clouds
11
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
26
kph wind from NW

Boston weather for Monday 20th July 2026

Expect clear skies in Boston, Massachusetts with a maximum temperature of 26°C, maximum UV of 8 (Very High) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the south.

26
°C maximum temperature
18
°C minimum temperature
clear skies
13
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
18
kph wind from S

Boston weather for Tuesday 21st July 2026

Expect mostly cloudy with light rain in Boston, Massachusetts with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 6 (High) and 4 hours of bright sunshine. There are 2-5 mm of rainfall expected with 68% chance of some rain and a moderate breeze of 24 kph from the south.

26
°C maximum temperature
18
°C minimum temperature
mostly cloudy with light rain
4
hours of sunshine
6
UV index (High)
68
% chance of some rain
<5
mm of rainfall expected
L
low heat & humidity
24
kph wind from S

Boston weather for Wednesday 22nd July 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 6 hours of bright sunshine. There are 5-10 mm of rainfall expected with 86% chance of some rain and a moderate breeze of 22 kph from the south-west.