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.

A Few Clouds

71°F

22°C

Humidity 76%
Wind Speed SW 12 mph
Barometer 30.01 in (1016.2 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 16 Aug 10:54 pm EDT
Extended Forecast for

Arlington MA

  • Tonight

    Tonight: Partly cloudy, with a low around 69. Southwest wind around 8 mph.

    Low: 69 °F

    Partly Cloudy

  • Sunday

    Sunday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny and hot, with a high near 93. Southwest wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 93 °F

    Partly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. West wind 7 to 11 mph becoming northeast after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 50%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 63 °F

    Chance
    T-storms then
    Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 73. Northeast wind 11 to 13 mph, with gusts as high as 23 mph.

    High: 73 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 52. East wind 5 to 7 mph becoming light and variable in the evening.

    Low: 52 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 75. Light northeast wind becoming east 5 to 9 mph in the morning.

    High: 75 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers after 3am. Mostly cloudy, with a low around 60. Southeast wind 3 to 7 mph. Chance of precipitation is 30%.

    Low: 60 °F

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers. Partly sunny, with a high near 74. Southeast wind 6 to 9 mph. Chance of precipitation is 50%.

    High: 74 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers. Mostly cloudy, with a low around 61. Northeast wind around 6 mph. Chance of precipitation is 40%.

    Low: 61 °F

    Chance
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 69. Southwest wind around 8 mph.
Sunday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny and hot, with a high near 93. Southwest wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. West wind 7 to 11 mph becoming northeast after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 50%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Mostly sunny, with a high near 73. Northeast wind 11 to 13 mph, with gusts as high as 23 mph.
Monday Night
Mostly clear, with a low around 52. East wind 5 to 7 mph becoming light and variable in the evening.
Tuesday
Mostly sunny, with a high near 75. Light northeast wind becoming east 5 to 9 mph in the morning.
Tuesday Night
A chance of showers after 3am. Mostly cloudy, with a low around 60. Southeast wind 3 to 7 mph. Chance of precipitation is 30%.
Wednesday
A chance of showers. Partly sunny, with a high near 74. Southeast wind 6 to 9 mph. Chance of precipitation is 50%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 61. Northeast wind around 6 mph. Chance of precipitation is 40%.
Thursday
Mostly sunny, with a high near 74. Northeast wind 7 to 10 mph.
Thursday Night
Mostly clear, with a low around 58. Northeast wind around 6 mph becoming northwest after midnight.
Friday
Sunny, with a high near 83. West wind around 6 mph.
Friday Night
Mostly clear, with a low around 63. Southwest wind around 6 mph.
Saturday
Sunny, with a high near 86. Southwest wind 6 to 10 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Arlington MA
 42.39°N 71.15°W (Elev. 49 ft)
Last Update:
10:21 pm EDT Aug 16, 2025
Forecast Valid:
11pm EDT Aug 16, 2025-6pm EDT Aug 23, 2025
 
Forecast Discussion
 
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Additional Resources

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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