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.

Overcast

53°F

12°C

Humidity 89%
Wind Speed SW 7 mph
Barometer 29.88 in (1011.9 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 10 May 4:54 am EDT
Extended Forecast for

Chelsea MA

  • Today

    Today: A chance of showers, mainly after 11am. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 75. Southwest wind 5 to 10 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 75 °F

    Chance
    Showers and
    Patchy Fog

  • Tonight

    Tonight: A slight chance of showers between 2am and 3am. Mostly cloudy, with a low around 48. Northwest wind around 6 mph. Chance of precipitation is 20%.

    Low: 48 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Monday

    Monday: Cloudy, then gradually becoming mostly sunny, with a high near 64. West wind 3 to 6 mph.

    High: 64 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Partly cloudy, with a low around 45. Northwest wind around 6 mph.

    Low: 45 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 63. North wind 5 to 7 mph.

    High: 63 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 45. Light and variable wind.

    Low: 45 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 64. Light south wind increasing to 5 to 10 mph in the morning.

    High: 64 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Showers likely, mainly after 3am. Mostly cloudy, with a low around 49. South wind 6 to 8 mph. Chance of precipitation is 60%.

    Low: 49 °F

    Showers
    Likely

  • Thursday

    Thursday: Showers. High near 63. Southeast wind 7 to 11 mph. Chance of precipitation is 80%.

    High: 63 °F

    Showers

Detailed Forecast

Today
A chance of showers, mainly after 11am. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 75. Southwest wind 5 to 10 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
A slight chance of showers between 2am and 3am. Mostly cloudy, with a low around 48. Northwest wind around 6 mph. Chance of precipitation is 20%.
Monday
Cloudy, then gradually becoming mostly sunny, with a high near 64. West wind 3 to 6 mph.
Monday Night
Partly cloudy, with a low around 45. Northwest wind around 6 mph.
Tuesday
Sunny, with a high near 63. North wind 5 to 7 mph.
Tuesday Night
Partly cloudy, with a low around 45. Light and variable wind.
Wednesday
Partly sunny, with a high near 64. Light south wind increasing to 5 to 10 mph in the morning.
Wednesday Night
Showers likely, mainly after 3am. Mostly cloudy, with a low around 49. South wind 6 to 8 mph. Chance of precipitation is 60%.
Thursday
Showers. High near 63. Southeast wind 7 to 11 mph. Chance of precipitation is 80%.
Thursday Night
Showers likely, mainly before 2am. Mostly cloudy, with a low around 49. East wind around 6 mph becoming north after midnight. Chance of precipitation is 70%.
Friday
A chance of showers. Partly sunny, with a high near 64. North wind around 8 mph. Chance of precipitation is 40%.
Friday Night
Mostly cloudy, with a low around 50. West wind 3 to 5 mph.
Saturday
Mostly sunny, with a high near 72. West wind 5 to 8 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Chelsea MA
 42.4°N 71.03°W (Elev. 49 ft)
Last Update:
2:52 am EDT May 10, 2026
Forecast Valid:
5am EDT May 10, 2026-6pm EDT May 16, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation