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.

Light Rain Fog/Mist

44°F

7°C

Humidity 89%
Wind Speed W 10 mph
Barometer 29.75 in (1007.2 mb)
Dewpoint 41°F (5°C)
Visibility 6.00 mi
Wind Chill39°F (4°C)
Last update 22 Mar 3:54 pm EDT
Extended Forecast for

Charlestown MA

  • This Afternoon

    This Afternoon: Rain. Patchy fog. High near 45. South wind around 9 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 45 °F

    Rain and
    Patchy Fog

  • Tonight

    Tonight: Rain before 4am, then rain, possibly mixed with snow and sleet. Patchy fog before 11pm. Low around 34. West wind 6 to 10 mph becoming north after midnight. Chance of precipitation is 100%. Little or no snow and sleet accumulation expected.

    Low: 34 °F

    Rain and
    Patchy Fog
    then Wintry
    Mix

  • Monday

    Monday: Snow showers, possibly mixed with rain and sleet before 7am, then snow showers likely, possibly mixed with sleet between 7am and 8am, then snow showers likely after 8am. High near 38. North wind 11 to 14 mph. Chance of precipitation is 80%. New snow and sleet accumulation of less than one inch possible.

    High: 38 °F

    Wintry Mix
    then Chance
    Snow Showers

  • Monday Night

    Monday Night: Snow showers likely, mainly before midnight. Mostly cloudy, with a low around 31. Northwest wind 5 to 8 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    Low: 31 °F

    Snow Showers
    Likely then
    Chance Snow
    Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 46. Northwest wind around 6 mph becoming west in the afternoon.

    High: 46 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 34. Southwest wind around 6 mph.

    Low: 34 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 53. Southwest wind 6 to 13 mph, with gusts as high as 23 mph.

    High: 53 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 37. Southwest wind 7 to 9 mph.

    Low: 37 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 54. South wind 6 to 9 mph.

    High: 54 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Rain. Patchy fog. High near 45. South wind around 9 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Rain before 4am, then rain, possibly mixed with snow and sleet. Patchy fog before 11pm. Low around 34. West wind 6 to 10 mph becoming north after midnight. Chance of precipitation is 100%. Little or no snow and sleet accumulation expected.
Monday
Snow showers, possibly mixed with rain and sleet before 7am, then snow showers likely, possibly mixed with sleet between 7am and 8am, then snow showers likely after 8am. High near 38. North wind 11 to 14 mph. Chance of precipitation is 80%. New snow and sleet accumulation of less than one inch possible.
Monday Night
Snow showers likely, mainly before midnight. Mostly cloudy, with a low around 31. Northwest wind 5 to 8 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Tuesday
Mostly sunny, with a high near 46. Northwest wind around 6 mph becoming west in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 34. Southwest wind around 6 mph.
Wednesday
Partly sunny, with a high near 53. Southwest wind 6 to 13 mph, with gusts as high as 23 mph.
Wednesday Night
Mostly cloudy, with a low around 37. Southwest wind 7 to 9 mph.
Thursday
Mostly cloudy, with a high near 54. South wind 6 to 9 mph.
Thursday Night
Rain likely, mainly after midnight. Mostly cloudy, with a low around 43. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Friday
A chance of rain. Partly sunny, with a high near 53. Northwest wind 10 to 13 mph. Chance of precipitation is 50%.
Friday Night
Mostly clear, with a low around 24. Northwest wind around 8 mph.
Saturday
Mostly sunny, with a high near 40. Northwest wind 6 to 8 mph.
Saturday Night
Partly cloudy, with a low around 28. Southwest wind around 6 mph.
Sunday
Mostly sunny, with a high near 49.
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ABOUT THIS FORECAST

 
Point Forecast:
Charlestown MA
 42.38°N 71.07°W (Elev. 3 ft)
Last Update:
3:45 pm EDT Mar 22, 2026
Forecast Valid:
4pm EDT Mar 22, 2026-6pm EDT Mar 29, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation