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.

Fair

69°F

21°C

Humidity 93%
Wind Speed NW 5 mph
Barometer 30.01 in (1017.4 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 14 Aug 10:51 pm EDT
Extended Forecast for

Waltham MA

  • Tonight

    Tonight: Mostly clear, with a low around 63. North wind 5 to 7 mph.

    Low: 63 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 80. Northeast wind 7 to 11 mph.

    High: 80 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 57. East wind around 6 mph becoming calm in the evening.

    Low: 57 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 85. Calm wind becoming southeast 5 to 7 mph in the afternoon.

    High: 85 °F

    Sunny

  • Saturday Night

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

    Low: 67 °F

    Mostly Clear

  • Sunday

    Sunday: A slight chance of showers between 2pm and 5pm, then a slight chance of showers and thunderstorms after 5pm. Sunny and hot, with a high near 91. Southwest wind 6 to 9 mph. Chance of precipitation is 20%.

    High: 91 °F

    Sunny then
    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers before 2am. Mostly cloudy, with a low around 63. West wind around 6 mph becoming north after midnight. Chance of precipitation is 30%.

    Low: 63 °F

    Chance
    Showers

  • Monday

    Monday: Sunny, with a high near 75. North wind around 8 mph.

    High: 75 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 55. Southeast wind around 5 mph becoming calm in the evening.

    Low: 55 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 63. North wind 5 to 7 mph.
Friday
Sunny, with a high near 80. Northeast wind 7 to 11 mph.
Friday Night
Mostly clear, with a low around 57. East wind around 6 mph becoming calm in the evening.
Saturday
Sunny, with a high near 85. Calm wind becoming southeast 5 to 7 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 67. Southwest wind around 6 mph.
Sunday
A slight chance of showers between 2pm and 5pm, then a slight chance of showers and thunderstorms after 5pm. Sunny and hot, with a high near 91. Southwest wind 6 to 9 mph. Chance of precipitation is 20%.
Sunday Night
A chance of showers before 2am. Mostly cloudy, with a low around 63. West wind around 6 mph becoming north after midnight. Chance of precipitation is 30%.
Monday
Sunny, with a high near 75. North wind around 8 mph.
Monday Night
Mostly clear, with a low around 55. Southeast wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 77. Calm wind becoming east around 6 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 57. Southeast wind around 6 mph becoming calm in the evening.
Wednesday
Partly sunny, with a high near 76. Southeast wind 3 to 7 mph.
Wednesday Night
Partly cloudy, with a low around 58. Southeast wind around 6 mph becoming light and variable in the evening.
Thursday
Sunny, with a high near 79. North wind 5 to 7 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Waltham MA
 42.38°N 71.24°W (Elev. 98 ft)
Last Update:
10:37 pm EDT Aug 14, 2025
Forecast Valid:
11pm EDT Aug 14, 2025-6pm EDT Aug 21, 2025
 
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