Current conditions at

Boston, Logan International Airport (KBOS)

Lat: 42.36°NLon: 71.01°WElev: 20ft.

Light Rain

74°F

23°C

Humidity 91%
Wind Speed S 6 mph
Barometer 30.03 in (1016.7 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Last update 15 Jul 12:54 am EDT
Extended Forecast for

Charlestown MA

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

    Overnight: A chance of showers.  Cloudy, with a low around 73. Southwest wind around 6 mph.  Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 73 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, mainly before 7am.  Cloudy through mid morning, then gradual clearing, with a high near 89. Southwest wind around 6 mph becoming south in the afternoon.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 89 °F

    Chance
    Showers then
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 72. Southwest wind around 6 mph.

    Low: 72 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 92. Heat index values as high as 97. South wind 3 to 8 mph.

    High: 92 °F

    Hot

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms after 1am.  Mostly cloudy, with a low around 75. Southwest wind 6 to 8 mph.  Chance of precipitation is 20%.

    Low: 75 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms.  Partly sunny and hot, with a high near 90. Southwest wind 7 to 10 mph.  Chance of precipitation is 40%.

    High: 90 °F

    Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of thunderstorms before 8pm.  Partly cloudy, with a low around 77. Southwest wind around 7 mph.  Chance of precipitation is 30%.

    Low: 77 °F

    Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: A chance of showers and thunderstorms after 5pm.  Mostly sunny, with a high near 88. West wind around 8 mph.  Chance of precipitation is 30%.

    High: 88 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 67. North wind 3 to 5 mph.

    Low: 67 °F

    Partly Cloudy

Detailed Forecast

Overnight
A chance of showers. Cloudy, with a low around 73. Southwest wind around 6 mph. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
A chance of showers, mainly before 7am. Cloudy through mid morning, then gradual clearing, with a high near 89. Southwest wind around 6 mph becoming south in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Mostly clear, with a low around 72. Southwest wind around 6 mph.
Wednesday
Sunny and hot, with a high near 92. Heat index values as high as 97. South wind 3 to 8 mph.
Wednesday Night
A slight chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 75. Southwest wind 6 to 8 mph. Chance of precipitation is 20%.
Thursday
A chance of showers and thunderstorms. Partly sunny and hot, with a high near 90. Southwest wind 7 to 10 mph. Chance of precipitation is 40%.
Thursday Night
A chance of thunderstorms before 8pm. Partly cloudy, with a low around 77. Southwest wind around 7 mph. Chance of precipitation is 30%.
Friday
A chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 88. West wind around 8 mph. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 67. North wind 3 to 5 mph.
Saturday
Sunny, with a high near 81. North wind 5 to 7 mph becoming east in the afternoon.
Saturday Night
Partly cloudy, with a low around 67. Southwest wind 3 to 6 mph.
Sunday
A chance of showers. Partly sunny, with a high near 83. Light southwest wind becoming south 5 to 9 mph in the morning. Chance of precipitation is 30%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 68. South wind around 7 mph. Chance of precipitation is 40%.
Monday
Mostly sunny, with a high near 81. West wind 6 to 8 mph becoming north in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
Charlestown MA
 42.36°N 71.07°W (Elev. 13 ft)
12:32 am EDT Jul 15, 2025
1am EDT Jul 15, 2025-6pm EDT Jul 21, 2025
 
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Additional Resources

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