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

Laurence G Hanscom Field Airport (KBED)

Lat: 42.47°NLon: 71.29°WElev: 132ft.

Fog/Mist

64°F

18°C

Humidity 96%
Wind Speed NE 9 mph
Barometer 29.71 in (1007.3 mb)
Dewpoint 63°F (17°C)
Visibility 5.00 mi
Last update 30 Jul 6:51 am EDT
Extended Forecast for

Waltham MASimilar City Names

  • Today

    Today: Showers likely and possibly a thunderstorm before 4pm, then a chance of showers and thunderstorms after 4pm. Patchy fog. Otherwise, mostly cloudy, with a high near 71. North wind around 9 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 71 °F

    Showers
    Likely and
    Patchy Fog

  • Tonight

    Tonight: A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 11pm. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 60. Light northwest wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 60 °F

    Chance
    T-storms then
    Patchy Fog

  • Friday

    Friday: A chance of showers and thunderstorms, mainly after 5pm. Patchy fog before 7am. Otherwise, partly sunny, with a high near 82. Light west wind. Chance of precipitation is 30%.

    High: 82 °F

    Patchy Fog
    then Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 64. Light southwest wind.

    Low: 64 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 86. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 86 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 67. Southwest wind around 6 mph.

    Low: 67 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of showers after 5pm. Mostly cloudy, with a high near 84. South wind 6 to 9 mph. Chance of precipitation is 30%.

    High: 84 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday Night

    Sunday Night: Showers likely, mainly after 11pm. Mostly cloudy, with a low around 66. Southwest wind 5 to 7 mph. Chance of precipitation is 60%.

    Low: 66 °F

    Showers
    Likely

  • Monday

    Monday: A chance of showers before 5pm. Partly sunny, with a high near 83. West wind 5 to 7 mph. Chance of precipitation is 40%.

    High: 83 °F

    Chance
    Showers

Detailed Forecast

Today
Showers likely and possibly a thunderstorm before 4pm, then a chance of showers and thunderstorms after 4pm. Patchy fog. Otherwise, mostly cloudy, with a high near 71. North wind around 9 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 11pm. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 60. Light northwest wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
A chance of showers and thunderstorms, mainly after 5pm. Patchy fog before 7am. Otherwise, partly sunny, with a high near 82. Light west wind. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 64. Light southwest wind.
Saturday
Partly sunny, with a high near 86. Calm wind becoming southwest around 6 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 67. Southwest wind around 6 mph.
Sunday
A chance of showers after 5pm. Mostly cloudy, with a high near 84. South wind 6 to 9 mph. Chance of precipitation is 30%.
Sunday Night
Showers likely, mainly after 11pm. Mostly cloudy, with a low around 66. Southwest wind 5 to 7 mph. Chance of precipitation is 60%.
Monday
A chance of showers before 5pm. Partly sunny, with a high near 83. West wind 5 to 7 mph. Chance of precipitation is 40%.
Monday Night
Mostly clear, with a low around 62. Light northwest wind.
Tuesday
Sunny, with a high near 84. Northwest wind 3 to 6 mph.
Tuesday Night
Clear, with a low around 64. Light west wind.
Wednesday
Sunny, with a high near 86. Calm wind becoming southwest around 6 mph in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Waltham MASimilar City Names
 42.38°N 71.24°W (Elev. 98 ft)
Last Update:
3:32 am EDT Jul 30, 2026
Forecast Valid:
7am EDT Jul 30, 2026-6pm EDT Aug 5, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation