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.

Mostly Cloudy

63°F

17°C

Humidity 63%
Wind Speed NE 17 mph
Barometer 30.17 in (1021.7 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 18 May 1:54 pm EDT
Extended Forecast for

Boston MA

Heat Advisory May 19, 11:00am until May 20, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • This Afternoon

    This Afternoon: Sunny, with a high near 77. East wind around 10 mph.

    High: 77 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 63. Southwest wind around 7 mph.

    Low: 63 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny and hot, with a high near 96. Southwest wind 6 to 13 mph.

    High: 96 °F

    Hot

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 71. Southwest wind around 9 mph.

    Low: 71 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Showers likely, mainly after 4pm. Mostly sunny and hot, with a high near 92. West wind 8 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.

    High: 92 °F

    Sunny then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely before 8pm. Mostly cloudy, with a low around 55. West wind 7 to 9 mph. Chance of precipitation is 60%.

    Low: 55 °F

    Showers
    Likely then
    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 68. North wind around 8 mph.

    High: 68 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 49. North wind around 6 mph.

    Low: 49 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 64. Light and variable wind becoming east 5 to 8 mph in the morning.

    High: 64 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 77. East wind around 10 mph.
Tonight
Mostly clear, with a low around 63. Southwest wind around 7 mph.
Tuesday
Mostly sunny and hot, with a high near 96. Southwest wind 6 to 13 mph.
Tuesday Night
Partly cloudy, with a low around 71. Southwest wind around 9 mph.
Wednesday
Showers likely, mainly after 4pm. Mostly sunny and hot, with a high near 92. West wind 8 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.
Wednesday Night
Showers likely before 8pm. Mostly cloudy, with a low around 55. West wind 7 to 9 mph. Chance of precipitation is 60%.
Thursday
Mostly sunny, with a high near 68. North wind around 8 mph.
Thursday Night
Mostly clear, with a low around 49. North wind around 6 mph.
Friday
Mostly sunny, with a high near 64. Light and variable wind becoming east 5 to 8 mph in the morning.
Friday Night
A chance of showers after 3am. Mostly cloudy, with a low around 49. South wind 3 to 7 mph. Chance of precipitation is 30%.
Saturday
Showers likely. Mostly cloudy, with a high near 61. Light southeast wind becoming east 5 to 9 mph in the morning. Chance of precipitation is 60%.
Saturday Night
Showers likely. Mostly cloudy, with a low around 50. Northeast wind 5 to 7 mph. Chance of precipitation is 60%.
Sunday
A chance of showers. Mostly cloudy, with a high near 63. Northeast wind 5 to 9 mph. Chance of precipitation is 50%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Boston MA
 42.36°N 71.07°W (Elev. 13 ft)
Last Update:
12:07 pm EDT May 18, 2026
Forecast Valid:
2pm EDT May 18, 2026-6pm EDT May 24, 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