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

Hazardous Weather Conditions

Current conditions at

Laurence G Hanscom Field Airport (KBED)

Lat: 42.47°NLon: 71.29°WElev: 132ft.

Overcast

27°C

80°F

Humidity 74%
Wind Speed SW 15 km/h
Barometer 1018.4 mb (30.04 in)
Dewpoint 22°C (71°F)
Visibility 16 km
Heat Index28°C (83°F)
Last update 14 Jul 11:51 am EDT
Extended Forecast for

Acton MA

Heat Advisory July 15, 11:00am until July 17, 07:00pm
Click here for hazard details and duration
Heat Advisory

  • This Afternoon

    This Afternoon: A chance of showers between 1pm and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 29. South wind around 10 km/h. Chance of precipitation is 40%. New rainfall amounts of less than 1 mm, except higher amounts possible in thunderstorms.

    High: 29 °C

    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 1am. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 21. South wind 3 to 8 km/h. Chance of precipitation is 30%. New precipitation amounts between 2.5 and 5 mm possible.

    Low: 21 °C

    Chance
    T-storms then
    Slight Chance
    Showers and
    Patchy Fog

  • Tuesday

    Tuesday: A slight chance of showers, with thunderstorms also possible after 2pm. Patchy fog before 7am. Otherwise, mostly sunny, with a high near 31. Calm wind. Chance of precipitation is 20%.

    High: 31 °C

    Slight Chance
    T-storms and
    Patchy Fog

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 21. Calm wind.

    Low: 21 °C

    Mostly Clear

  • Wednesday

    Wednesday: A slight chance of showers after 3pm. Mostly sunny and hot, with a high near 33. Light southwest wind increasing to 6 to 11 km/h in the morning. Chance of precipitation is 20%.

    High: 33 °C

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 22. Southwest wind 5 to 10 km/h.

    Low: 22 °C

    Mostly Cloudy

  • Thursday

    Thursday: A chance of showers and thunderstorms after 10am. Partly sunny and hot, with a high near 32. Southwest wind 8 to 11 km/h. Chance of precipitation is 40%.

    High: 32 °C

    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers before 10pm. Mostly cloudy, with a low around 23. Southwest wind 5 to 8 km/h. Chance of precipitation is 30%.

    Low: 23 °C

    Chance
    Showers then
    Partly Cloudy

  • Friday

    Friday: A chance of showers between 1pm and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 32. West wind 8 to 11 km/h. Chance of precipitation is 40%.

    High: 32 °C

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

This Afternoon
A chance of showers between 1pm and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 29. South wind around 10 km/h. Chance of precipitation is 40%. New rainfall amounts of less than 1 mm, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 1am. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 21. South wind 3 to 8 km/h. Chance of precipitation is 30%. New precipitation amounts between 2.5 and 5 mm possible.
Tuesday
A slight chance of showers, with thunderstorms also possible after 2pm. Patchy fog before 7am. Otherwise, mostly sunny, with a high near 31. Calm wind. Chance of precipitation is 20%.
Tuesday Night
Mostly clear, with a low around 21. Calm wind.
Wednesday
A slight chance of showers after 3pm. Mostly sunny and hot, with a high near 33. Light southwest wind increasing to 6 to 11 km/h in the morning. Chance of precipitation is 20%.
Wednesday Night
Mostly cloudy, with a low around 22. Southwest wind 5 to 10 km/h.
Thursday
A chance of showers and thunderstorms after 10am. Partly sunny and hot, with a high near 32. Southwest wind 8 to 11 km/h. Chance of precipitation is 40%.
Thursday Night
A chance of showers before 10pm. Mostly cloudy, with a low around 23. Southwest wind 5 to 8 km/h. Chance of precipitation is 30%.
Friday
A chance of showers between 1pm and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 32. West wind 8 to 11 km/h. Chance of precipitation is 40%.
Friday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 11pm. Partly cloudy, with a low around 20. Calm wind. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 28. North wind 5 to 8 km/h becoming east in the afternoon.
Saturday Night
Partly cloudy, with a low around 18. Calm wind.
Sunday
Partly sunny, with a high near 28. Calm wind becoming south 5 to 10 km/h in the morning.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Acton MA
 42.48°N 71.46°W (Elev. 246 m)
Last Update:
6:28 am EDT Jul 14, 2025
Forecast Valid:
12pm EDT Jul 14, 2025-6pm EDT Jul 20, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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