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.

Fair

51°F

11°C

Humidity 56%
Wind Speed SW 13 mph
Barometer 29.97 in (1014.7 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 10 Mar 1:54 am EDT
Extended Forecast for

Charlestown MA

  • Overnight

    Overnight: Mostly clear, with a low around 43. Southwest wind around 7 mph.

    Low: 43 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 71. Southwest wind 6 to 10 mph.

    High: 71 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 42. Southwest wind 5 to 7 mph becoming west after midnight.

    Low: 42 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: A chance of light rain, mainly after 4pm. Patchy fog before 3pm. Otherwise, cloudy, with a high near 51. Northeast wind 6 to 10 mph. Chance of precipitation is 30%.

    High: 51 °F

    Chance Light
    Rain and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: A chance of rain or light rain before 8pm, then rain likely, mainly after 1am. Mostly cloudy, with a low around 46. South wind 8 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.

    Low: 46 °F

    Rain Likely

  • Thursday

    Thursday: A chance of rain. Mostly cloudy, with a high near 60. West wind 10 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 50%.

    High: 60 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A chance of rain and snow before 11pm. Mostly cloudy, with a low around 29. West wind 10 to 13 mph. Chance of precipitation is 40%.

    Low: 29 °F

    Chance
    Rain/Snow
    then Partly
    Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 44. West wind 7 to 10 mph becoming southwest in the afternoon.

    High: 44 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Rain and snow likely before 2am, then a chance of rain. Mostly cloudy, with a low around 35. South wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.

    Low: 35 °F

    Rain/Snow
    Likely

Detailed Forecast

Overnight
Mostly clear, with a low around 43. Southwest wind around 7 mph.
Tuesday
Sunny, with a high near 71. Southwest wind 6 to 10 mph.
Tuesday Night
Increasing clouds, with a low around 42. Southwest wind 5 to 7 mph becoming west after midnight.
Wednesday
A chance of light rain, mainly after 4pm. Patchy fog before 3pm. Otherwise, cloudy, with a high near 51. Northeast wind 6 to 10 mph. Chance of precipitation is 30%.
Wednesday Night
A chance of rain or light rain before 8pm, then rain likely, mainly after 1am. Mostly cloudy, with a low around 46. South wind 8 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.
Thursday
A chance of rain. Mostly cloudy, with a high near 60. West wind 10 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 50%.
Thursday Night
A chance of rain and snow before 11pm. Mostly cloudy, with a low around 29. West wind 10 to 13 mph. Chance of precipitation is 40%.
Friday
Mostly sunny, with a high near 44. West wind 7 to 10 mph becoming southwest in the afternoon.
Friday Night
Rain and snow likely before 2am, then a chance of rain. Mostly cloudy, with a low around 35. South wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.
Saturday
A chance of rain before 9am. Mostly sunny, with a high near 47. West wind 13 to 15 mph. Chance of precipitation is 30%.
Saturday Night
Mostly cloudy, with a low around 31. West wind 6 to 9 mph.
Sunday
A chance of snow. Cloudy, with a high near 51. Southwest wind 6 to 10 mph becoming southeast in the afternoon. Chance of precipitation is 30%.
Sunday Night
Rain likely. Cloudy, with a low around 39. South wind 11 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Monday
Rain likely. Cloudy, with a high near 53. Southwest wind around 16 mph, with gusts as high as 28 mph. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Charlestown MA
 42.36°N 71.07°W (Elev. 13 ft)
Last Update:
10:48 pm EDT Mar 9, 2026
Forecast Valid:
2am EDT Mar 10, 2026-6pm EDT Mar 16, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation