Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

Current conditions at

Boston, Logan International Airport (KBOS)

Lat: 42.36°NLon: 71.01°WElev: 20ft.

Overcast

38°F

3°C

Humidity 60%
Wind Speed S 10 mph
Barometer 29.99 in (1015.3 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 7 Dec 5:54 pm EST
Extended Forecast for

Chestnut Hill MA

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 20. Light and variable wind becoming northwest 5 to 9 mph in the evening.

    Low: 20 °F

    Decreasing
    Clouds

  • Monday

    Monday: Sunny, with a high near 25. Northwest wind 8 to 11 mph, with gusts as high as 22 mph.

    High: 25 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 10. Northwest wind around 6 mph becoming calm  after midnight.

    Low: 10 °F

    Mostly Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 34. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 34 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: A chance of snow before 4am, then a slight chance of snow after 5am.  Mostly cloudy, with a low around 26. Southwest wind around 6 mph.  Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 26 °F

    Chance Snow

  • Wednesday

    Wednesday: A chance of snow before 9am, then rain likely.  Mostly cloudy, with a high near 45. Southwest wind 6 to 10 mph, with gusts as high as 21 mph.  Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 45 °F

    Chance
    Rain/Snow
    then Rain
    Likely

  • Wednesday Night

    Wednesday Night: A chance of rain before 3am.  Mostly cloudy, with a low around 34. Southwest wind 7 to 9 mph.  Chance of precipitation is 50%.

    Low: 34 °F

    Chance Rain

  • Thursday

    Thursday: Mostly sunny, with a high near 40. West wind 8 to 10 mph, with gusts as high as 20 mph.

    High: 40 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 25. West wind around 6 mph.

    Low: 25 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 20. Light and variable wind becoming northwest 5 to 9 mph in the evening.
Monday
Sunny, with a high near 25. Northwest wind 8 to 11 mph, with gusts as high as 22 mph.
Monday Night
Mostly clear, with a low around 10. Northwest wind around 6 mph becoming calm after midnight.
Tuesday
Increasing clouds, with a high near 34. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Tuesday Night
A chance of snow before 4am, then a slight chance of snow after 5am. Mostly cloudy, with a low around 26. Southwest wind around 6 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Wednesday
A chance of snow before 9am, then rain likely. Mostly cloudy, with a high near 45. Southwest wind 6 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Wednesday Night
A chance of rain before 3am. Mostly cloudy, with a low around 34. Southwest wind 7 to 9 mph. Chance of precipitation is 50%.
Thursday
Mostly sunny, with a high near 40. West wind 8 to 10 mph, with gusts as high as 20 mph.
Thursday Night
Mostly cloudy, with a low around 25. West wind around 6 mph.
Friday
A chance of snow after noon. Partly sunny, with a high near 35. West wind 6 to 8 mph. Chance of precipitation is 30%.
Friday Night
A chance of snow. Mostly cloudy, with a low around 20. West wind around 6 mph. Chance of precipitation is 30%.
Saturday
A chance of snow. Partly sunny, with a high near 31. Northwest wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 17. West wind around 9 mph.
Sunday
Mostly sunny, with a high near 28. West wind 9 to 11 mph, with gusts as high as 22 mph.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Chestnut Hill MA
 42.33°N 71.2°W (Elev. 148 ft)
1:37 pm EST Dec 7, 2025
6pm EST Dec 7, 2025-6pm EST Dec 14, 2025
 
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