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

Boston, Logan International Airport (KBOS)

Lat: 42.36°NLon: 71.01°WElev: 20ft.

Mostly Cloudy

77°F

25°C

Humidity 42%
Wind Speed NW 18 G 24 mph
Barometer 29.68 in (1005.1 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 20 Jun 6:54 pm EDT
Extended Forecast for

Allston MA

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 61. West wind 5 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

    Low: 61 °F

    Slight Chance
    T-storms then
    Clear

  • Sunday

    Sunday: A chance of showers and thunderstorms, mainly after 3pm. Increasing clouds, with a high near 83. West wind 6 to 8 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 83 °F

    Sunny then
    Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, mainly before 7pm. Mostly cloudy during the early evening, then becoming clear, with a low around 61. Light west wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 61 °F

    Chance
    Showers then
    Partly Cloudy

  • Monday

    Monday: Showers likely, mainly after 2pm. Partly sunny, with a high near 78. Calm wind becoming south 5 to 8 mph in the afternoon. Chance of precipitation is 60%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 78 °F

    Chance
    Showers then
    Showers
    Likely

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm before 2am, then showers likely. Low around 63. Southeast wind 8 to 10 mph becoming southwest after midnight. Chance of precipitation is 90%.

    Low: 63 °F

    Showers

  • Tuesday

    Tuesday: A chance of showers, mainly before 8am. Mostly sunny, with a high near 82. Northwest wind 7 to 9 mph. Chance of precipitation is 30%.

    High: 82 °F

    Chance
    Showers then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 63. West wind 3 to 5 mph.

    Low: 63 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 84. Northwest wind 3 to 7 mph.

    High: 84 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 64. South wind around 5 mph becoming calm in the evening.

    Low: 64 °F

    Mostly Clear

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 61. West wind 5 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Sunday
A chance of showers and thunderstorms, mainly after 3pm. Increasing clouds, with a high near 83. West wind 6 to 8 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A chance of showers and thunderstorms, mainly before 7pm. Mostly cloudy during the early evening, then becoming clear, with a low around 61. Light west wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
Showers likely, mainly after 2pm. Partly sunny, with a high near 78. Calm wind becoming south 5 to 8 mph in the afternoon. Chance of precipitation is 60%. New precipitation amounts between a half and three quarters of an inch possible.
Monday Night
Showers and possibly a thunderstorm before 2am, then showers likely. Low around 63. Southeast wind 8 to 10 mph becoming southwest after midnight. Chance of precipitation is 90%.
Tuesday
A chance of showers, mainly before 8am. Mostly sunny, with a high near 82. Northwest wind 7 to 9 mph. Chance of precipitation is 30%.
Tuesday Night
Mostly clear, with a low around 63. West wind 3 to 5 mph.
Wednesday
Sunny, with a high near 84. Northwest wind 3 to 7 mph.
Wednesday Night
Mostly clear, with a low around 64. South wind around 5 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 84. Calm wind becoming southeast 5 to 8 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 64. South wind 3 to 6 mph.
Friday
A chance of showers. Partly sunny, with a high near 83. Southeast wind 3 to 8 mph. Chance of precipitation is 40%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 65. Southeast wind around 6 mph becoming light and variable after midnight. Chance of precipitation is 30%.
Saturday
A chance of showers. Partly sunny, with a high near 85. Southwest wind 5 to 8 mph. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Allston MA
 42.35°N 71.13°W (Elev. 112 ft)
Last Update:
12:35 pm EDT Jun 20, 2026
Forecast Valid:
7pm EDT Jun 20, 2026-6pm EDT Jun 27, 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