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.

Mostly Cloudy

48°F

9°C

Humidity 74%
Wind Speed W 10 G 21 mph
Barometer 30.07 in (1018.3 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 10 Jan 3:54 am EST
Extended Forecast for

Arlington MA

  • Today

    Today: Increasing clouds, with a high near 45. West wind around 6 mph becoming light and variable in the morning.

    High: 45 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Rain, mainly before 4am. Low around 38. Light and variable wind becoming east 5 to 7 mph in the evening. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 38 °F

    Rain

  • Sunday

    Sunday: A chance of rain, mainly before 1pm. Mostly cloudy, with a high near 42. West wind 5 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 42 °F

    Chance Rain

  • Sunday Night

    Sunday Night: A slight chance of rain and snow showers before 10pm, then a slight chance of snow showers between 10pm and 2am. Partly cloudy, with a low around 27. Breezy, with a west wind 14 to 22 mph, with gusts as high as 41 mph. Chance of precipitation is 20%.

    Low: 27 °F

    Slight Chance
    Rain/Snow and
    Breezy

  • Monday

    Monday: Mostly sunny, with a high near 38. West wind 10 to 15 mph, with gusts as high as 31 mph.

    High: 38 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 30. Southwest wind 5 to 7 mph.

    Low: 30 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 44. Southwest wind 7 to 10 mph, with gusts as high as 20 mph.

    High: 44 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 34. Southwest wind around 8 mph.

    Low: 34 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 47. Southwest wind 8 to 10 mph, with gusts as high as 21 mph.

    High: 47 °F

    Mostly Cloudy

Detailed Forecast

Today
Increasing clouds, with a high near 45. West wind around 6 mph becoming light and variable in the morning.
Tonight
Rain, mainly before 4am. Low around 38. Light and variable wind becoming east 5 to 7 mph in the evening. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
A chance of rain, mainly before 1pm. Mostly cloudy, with a high near 42. West wind 5 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
A slight chance of rain and snow showers before 10pm, then a slight chance of snow showers between 10pm and 2am. Partly cloudy, with a low around 27. Breezy, with a west wind 14 to 22 mph, with gusts as high as 41 mph. Chance of precipitation is 20%.
Monday
Mostly sunny, with a high near 38. West wind 10 to 15 mph, with gusts as high as 31 mph.
Monday Night
Mostly cloudy, with a low around 30. Southwest wind 5 to 7 mph.
Tuesday
Mostly sunny, with a high near 44. Southwest wind 7 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly cloudy, with a low around 34. Southwest wind around 8 mph.
Wednesday
Mostly cloudy, with a high near 47. Southwest wind 8 to 10 mph, with gusts as high as 21 mph.
Wednesday Night
Mostly cloudy, with a low around 30. Southwest wind around 6 mph.
Thursday
Mostly cloudy, with a high near 37. Northwest wind 6 to 8 mph.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 21. North wind around 7 mph. Chance of precipitation is 40%.
Friday
A chance of snow. Mostly cloudy, with a high near 30. Northwest wind 7 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Arlington MA
 42.39°N 71.15°W (Elev. 49 ft)
Last Update:
12:50 am EST Jan 10, 2026
Forecast Valid:
4am EST Jan 10, 2026-6pm EST Jan 16, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation