National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Boston, Logan International Airport (KBOS)

Lat: 42.36°NLon: 71.01°WElev: 20ft.

Partly Cloudy

53°F

12°C

Humidity 47%
Wind Speed W 12 G 22 mph
Barometer 29.85 in (1010.6 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 21 Mar 12:54 pm EDT
Extended Forecast for

Charlestown MA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 53. Northwest wind around 11 mph, with gusts as high as 21 mph.

    High: 53 °F

    Mostly Sunny

  • Tonight

    Tonight: Cloudy, with a low around 36. Light and variable wind.

    Low: 36 °F

    Cloudy

  • Sunday

    Sunday: Rain, mainly after 10am. High near 46. Southeast wind 6 to 13 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 46 °F

    Rain

  • Sunday Night

    Sunday Night: Rain, mainly before 3am. Low around 34. North wind around 7 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 34 °F

    Rain

  • Monday

    Monday: A chance of rain and snow showers before noon, then a chance of rain. Cloudy, with a high near 40. North wind 9 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    High: 40 °F

    Chance
    Rain/Snow
    then Chance
    Rain

  • Monday Night

    Monday Night: A chance of rain and snow showers before 8pm, then a chance of snow showers. Mostly cloudy, with a low around 29. North wind around 6 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    Low: 29 °F

    Chance
    Rain/Snow
    then Chance
    Snow Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 45. Northwest wind around 7 mph becoming west in the afternoon.

    High: 45 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 33. Southwest wind around 8 mph.

    Low: 33 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 51. West wind 9 to 13 mph.

    High: 51 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 53. Northwest wind around 11 mph, with gusts as high as 21 mph.
Tonight
Cloudy, with a low around 36. Light and variable wind.
Sunday
Rain, mainly after 10am. High near 46. Southeast wind 6 to 13 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Rain, mainly before 3am. Low around 34. North wind around 7 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Monday
A chance of rain and snow showers before noon, then a chance of rain. Cloudy, with a high near 40. North wind 9 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Monday Night
A chance of rain and snow showers before 8pm, then a chance of snow showers. Mostly cloudy, with a low around 29. North wind around 6 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Tuesday
Mostly sunny, with a high near 45. Northwest wind around 7 mph becoming west in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 33. Southwest wind around 8 mph.
Wednesday
Partly sunny, with a high near 51. West wind 9 to 13 mph.
Wednesday Night
Mostly cloudy, with a low around 32. West wind 7 to 9 mph.
Thursday
A chance of rain. Mostly cloudy, with a high near 49. South wind 7 to 9 mph. Chance of precipitation is 30%.
Thursday Night
Rain and snow likely. Mostly cloudy, with a low around 37. Southwest wind around 9 mph. Chance of precipitation is 60%.
Friday
Rain and snow likely. Partly sunny, with a high near 48. Northwest wind 9 to 13 mph. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Charlestown MA
 42.38°N 71.07°W (Elev. 3 ft)
Last Update:
12:49 pm EDT Mar 21, 2026
Forecast Valid:
1pm EDT Mar 21, 2026-6pm EDT Mar 27, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation