National Weather Service

Current conditions at

Boston, Logan International Airport (KBOS)

Lat: 42.36°NLon: 71.01°WElev: 20ft.

A Few Clouds

26°C

78°F

Humidity	64%
Wind Speed	W 9 km/h
Barometer	1009.2 mb (29.80 in)
Dewpoint	18°C (65°F)
Visibility	16 km
Heat Index	27°C (80°F)
Last update	3 Jul 7:54 am EDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Charlestown MA

Today
High: 33 °C
Sunny then
Severe
Thunderstorms
Tonight
Low: 18 °C
Severe
Thunderstorms
then Mostly
Clear
Independence Day
High: 29 °C
Sunny
Friday Night
Low: 17 °C
Mostly Clear
Saturday
High: 30 °C
Mostly Sunny
Saturday Night
Low: 21 °C
Partly Cloudy
Sunday
High: 34 °C
Hot
Sunday Night
Low: 23 °C
Partly Cloudy
Monday
High: 35 °C
Hot

Detailed Forecast

Today

A chance of showers and thunderstorms, mainly after 4pm. Some of the storms could be severe. Increasing clouds and hot, with a high near 33. Northwest wind 5 to 13 km/h becoming southwest in the morning. Chance of precipitation is 30%. New rainfall amounts of less than 1 mm, except higher amounts possible in thunderstorms.

Tonight

A chance of showers and thunderstorms, mainly before 8pm. Some of the storms could be severe. Partly cloudy, with a low around 18. Northwest wind 8 to 11 km/h. Chance of precipitation is 30%. New precipitation amounts of less than 1 mm, except higher amounts possible in thunderstorms.

Independence Day

Sunny, with a high near 29. Northwest wind 11 to 14 km/h.

Friday Night

Mostly clear, with a low around 17. Northwest wind 5 to 8 km/h.

Saturday

Mostly sunny, with a high near 30. Northwest wind 5 to 10 km/h becoming south in the afternoon.

Saturday Night

Partly cloudy, with a low around 21. Southwest wind around 10 km/h.

Sunday

Mostly sunny and hot, with a high near 34. Southwest wind 11 to 18 km/h.

Sunday Night

Partly cloudy, with a low around 23. Southwest wind 13 to 16 km/h.

Monday

Mostly sunny and hot, with a high near 35. Southwest wind 13 to 18 km/h.

Monday Night

Mostly cloudy, with a low around 22. Southwest wind 10 to 13 km/h.

Tuesday

A chance of showers and thunderstorms. Partly sunny, with a high near 29. West wind around 11 km/h becoming southeast in the afternoon. Chance of precipitation is 30%.

Tuesday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 21. South wind 5 to 8 km/h becoming southwest after midnight. Chance of precipitation is 30%.

Wednesday

Mostly sunny, with a high near 27. North wind 10 to 13 km/h becoming east in the afternoon.