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.

Overcast

65°F

18°C

Humidity 68%
Wind Speed W 3 mph
Barometer 29.75 in (1008.6 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 21 Jun 12:51 am EDT
Extended Forecast for

Waltham MA

  • Overnight

    Overnight: Clear, with a low around 59. West wind around 5 mph.

    Low: 59 °F

    Clear

  • Sunday

    Sunday: A chance of showers and thunderstorms, mainly after 3pm. Increasing clouds, with a high near 80. West wind 5 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: 80 °F

    Sunny then
    Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, mainly before 7pm. Increasing clouds, with a low around 59. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 59 °F

    Chance
    Showers then
    Partly Cloudy

  • Monday

    Monday: Showers likely, mainly after 5pm. Increasing clouds, with a high near 81. Calm wind becoming south 5 to 7 mph in the afternoon. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    High: 81 °F

    Mostly Sunny
    then Showers
    Likely

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm. Low around 60. Southeast wind around 6 mph. Chance of precipitation is 100%.

    Low: 60 °F

    Showers

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm before 10am, then a chance of showers and thunderstorms between 10am and 2pm, then a slight chance of showers after 2pm. Mostly cloudy, with a high near 78. North wind around 8 mph. Chance of precipitation is 60%.

    High: 78 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 62. Light northwest wind.

    Low: 62 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 85. Northwest wind 3 to 6 mph.

    High: 85 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 63. Light south wind.

    Low: 63 °F

    Mostly Clear

Detailed Forecast

Overnight
Clear, with a low around 59. West wind around 5 mph.
Sunday
A chance of showers and thunderstorms, mainly after 3pm. Increasing clouds, with a high near 80. West wind 5 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. Increasing clouds, with a low around 59. Calm 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 5pm. Increasing clouds, with a high near 81. Calm wind becoming south 5 to 7 mph in the afternoon. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Monday Night
Showers and possibly a thunderstorm. Low around 60. Southeast wind around 6 mph. Chance of precipitation is 100%.
Tuesday
Showers likely and possibly a thunderstorm before 10am, then a chance of showers and thunderstorms between 10am and 2pm, then a slight chance of showers after 2pm. Mostly cloudy, with a high near 78. North wind around 8 mph. Chance of precipitation is 60%.
Tuesday Night
Partly cloudy, with a low around 62. Light northwest wind.
Wednesday
Sunny, with a high near 85. Northwest wind 3 to 6 mph.
Wednesday Night
Mostly clear, with a low around 63. Light south wind.
Thursday
Mostly sunny, with a high near 84. Calm wind becoming southeast 5 to 8 mph in the afternoon.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 63. South wind 3 to 6 mph. Chance of precipitation is 30%.
Friday
A chance of showers. Partly sunny, with a high near 82. South wind 3 to 8 mph. Chance of precipitation is 40%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 64. Southwest wind 3 to 5 mph. Chance of precipitation is 30%.
Saturday
A chance of showers. Mostly sunny, with a high near 85. West wind 3 to 8 mph. Chance of precipitation is 30%.
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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:
10:11 pm EDT Jun 20, 2026
Forecast Valid:
12am EDT Jun 21, 2026-6pm EDT Jun 27, 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