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

Hazardous Weather Conditions

Current conditions at

Boston, Logan International Airport (KBOS)

Lat: 42.36°NLon: 71.01°WElev: 20ft.

Overcast

30°F

-1°C

Humidity 82%
Wind Speed NW 5 mph
Barometer 30.16 in (1021.2 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 17 Feb 1:54 am EST
Extended Forecast for

Somerville MA

  • Overnight

    Overnight: Patchy flurries and freezing rain. Cloudy, with a low around 25. Calm wind. Chance of precipitation is 30%.

    Low: 25 °F

    Patchy Wintry
    Mix

  • Tuesday

    Tuesday: Patchy flurries and freezing rain between 8am and 10am. Patchy fog after 5pm. Otherwise, mostly cloudy, with a high near 38. Calm wind becoming south around 6 mph in the morning. Chance of precipitation is 30%.

    High: 38 °F

    Patchy Wintry
    Mix then
    Patchy Fog

  • Tuesday Night

    Tuesday Night: Patchy fog before 7pm. Otherwise, mostly cloudy, with a low around 30. Light west wind.

    Low: 30 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Wednesday

    Wednesday: Rain likely, mainly after 2pm. Cloudy, with a high near 39. Light and variable wind. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 39 °F

    Chance Rain
    then Rain
    Likely

  • Wednesday Night

    Wednesday Night: Snow, possibly mixed with rain, becoming all snow after 11pm. Patchy fog before midnight. Low around 27. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 27 °F

    Rain/Snow and
    Patchy Fog
    then Chance
    Snow

  • Thursday

    Thursday: Mostly sunny, with a high near 38. North wind around 5 mph becoming light and variable in the afternoon.

    High: 38 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 23. Calm wind.

    Low: 23 °F

    Partly Cloudy

  • Friday

    Friday: A chance of snow between 9am and 1pm, then rain likely. Mostly cloudy, with a high near 38. Calm wind becoming east around 6 mph in the morning. Chance of precipitation is 60%.

    High: 38 °F

    Chance Snow
    then
    Rain/Snow
    Likely

  • Friday Night

    Friday Night: Snow likely, possibly mixed with rain, becoming all snow after 11pm. Mostly cloudy, with a low around 29. East wind around 6 mph becoming north after midnight. Chance of precipitation is 70%.

    Low: 29 °F

    Rain/Snow
    Likely then
    Snow Likely

Detailed Forecast

Overnight
Patchy flurries and freezing rain. Cloudy, with a low around 25. Calm wind. Chance of precipitation is 30%.
Tuesday
Patchy flurries and freezing rain between 8am and 10am. Patchy fog after 5pm. Otherwise, mostly cloudy, with a high near 38. Calm wind becoming south around 6 mph in the morning. Chance of precipitation is 30%.
Tuesday Night
Patchy fog before 7pm. Otherwise, mostly cloudy, with a low around 30. Light west wind.
Wednesday
Rain likely, mainly after 2pm. Cloudy, with a high near 39. Light and variable wind. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Snow, possibly mixed with rain, becoming all snow after 11pm. Patchy fog before midnight. Low around 27. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 80%. Little or no snow accumulation expected.
Thursday
Mostly sunny, with a high near 38. North wind around 5 mph becoming light and variable in the afternoon.
Thursday Night
Partly cloudy, with a low around 23. Calm wind.
Friday
A chance of snow between 9am and 1pm, then rain likely. Mostly cloudy, with a high near 38. Calm wind becoming east around 6 mph in the morning. Chance of precipitation is 60%.
Friday Night
Snow likely, possibly mixed with rain, becoming all snow after 11pm. Mostly cloudy, with a low around 29. East wind around 6 mph becoming north after midnight. Chance of precipitation is 70%.
Saturday
A chance of snow before 9am, then a chance of rain and snow between 9am and 4pm, then a chance of snow after 4pm. Mostly cloudy, with a high near 37. Northeast wind around 7 mph. Chance of precipitation is 40%.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 27. North wind 3 to 5 mph. Chance of precipitation is 40%.
Sunday
A chance of snow. Mostly cloudy, with a high near 36. Northeast wind 6 to 8 mph. Chance of precipitation is 40%.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 25. North wind around 8 mph. Chance of precipitation is 50%.
Monday
A chance of snow. Mostly cloudy, with a high near 35. North wind 8 to 10 mph. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Somerville MA
 42.39°N 71.12°W (Elev. 46 ft)
Last Update:
1:24 am EST Feb 17, 2026
Forecast Valid:
2am EST Feb 17, 2026-6pm EST Feb 23, 2026
 
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