National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Laurence G Hanscom Field Airport (KBED)

Lat: 42.47°NLon: 71.29°WElev: 132ft.

Fair

67°F

19°C

Humidity 32%
Wind Speed NW 9 mph
Barometer 30.18 in (1023.3 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 21 May 2:51 pm EDT
Extended Forecast for

Arlington MA

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 44. Light and variable wind becoming north around 6 mph after midnight.

    Low: 44 °F

    Decreasing
    Clouds

  • Friday

    Friday: Mostly sunny, with a high near 64. Northeast wind 6 to 8 mph becoming east in the afternoon.

    High: 64 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 49. Southeast wind around 5 mph becoming calm in the evening.

    Low: 49 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 64. Calm wind becoming east 5 to 9 mph in the morning.

    High: 64 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Showers likely, mainly after 5am. Cloudy, with a low around 48. East wind 3 to 6 mph. Chance of precipitation is 60%.

    Low: 48 °F

    Chance
    Showers then
    Showers
    Likely

  • Sunday

    Sunday: Showers. High near 57. East wind 9 to 11 mph. Chance of precipitation is 80%.

    High: 57 °F

    Showers

  • Sunday Night

    Sunday Night: Showers likely, mainly before 11pm. Mostly cloudy, with a low around 50. East wind 6 to 9 mph. Chance of precipitation is 70%.

    Low: 50 °F

    Showers
    Likely

  • Memorial Day

    Memorial Day: A chance of showers. Cloudy, with a high near 69. Northeast wind 5 to 7 mph becoming northwest in the afternoon. Chance of precipitation is 40%.

    High: 69 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers before 9pm. Mostly cloudy, with a low around 54. Light and variable wind. Chance of precipitation is 30%.

    Low: 54 °F

    Chance
    Showers then
    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 44. Light and variable wind becoming north around 6 mph after midnight.
Friday
Mostly sunny, with a high near 64. Northeast wind 6 to 8 mph becoming east in the afternoon.
Friday Night
Mostly cloudy, with a low around 49. Southeast wind around 5 mph becoming calm in the evening.
Saturday
Mostly cloudy, with a high near 64. Calm wind becoming east 5 to 9 mph in the morning.
Saturday Night
Showers likely, mainly after 5am. Cloudy, with a low around 48. East wind 3 to 6 mph. Chance of precipitation is 60%.
Sunday
Showers. High near 57. East wind 9 to 11 mph. Chance of precipitation is 80%.
Sunday Night
Showers likely, mainly before 11pm. Mostly cloudy, with a low around 50. East wind 6 to 9 mph. Chance of precipitation is 70%.
Memorial Day
A chance of showers. Cloudy, with a high near 69. Northeast wind 5 to 7 mph becoming northwest in the afternoon. Chance of precipitation is 40%.
Monday Night
A chance of showers before 9pm. Mostly cloudy, with a low around 54. Light and variable wind. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 79. Northwest wind 3 to 7 mph.
Tuesday Night
Partly cloudy, with a low around 58. West wind around 6 mph.
Wednesday
Mostly sunny, with a high near 79. Northwest wind 5 to 9 mph.
Wednesday Night
Partly cloudy, with a low around 56. Northwest wind around 6 mph.
Thursday
Mostly sunny, with a high near 76. Northwest wind 5 to 8 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Arlington MA
 42.42°N 71.18°W (Elev. 249 ft)
Last Update:
6:42 am EDT May 21, 2026
Forecast Valid:
3pm EDT May 21, 2026-6pm EDT May 28, 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