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

39°F

4°C

Humidity 50%
Wind Speed Calm
Barometer 30.51 in (1034.5 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Last update 12 Apr 7:51 am EDT
Extended Forecast for

Waltham MA

  • Today

    Today: Increasing clouds, with a high near 57. Calm wind becoming south 5 to 9 mph in the afternoon.

    High: 57 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Scattered showers, mainly between 10pm and 5am. Cloudy, with a low around 43. South wind 11 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 43 °F

    Scattered
    Showers

  • Monday

    Monday: Isolated showers before 7am, then scattered showers after 1pm. Mostly cloudy, with a high near 69. Southwest wind around 18 mph, with gusts as high as 32 mph. Chance of precipitation is 30%.

    High: 69 °F

    Mostly Cloudy
    then
    Scattered
    Showers

  • Monday Night

    Monday Night: Scattered showers, mainly before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 58. West wind 6 to 15 mph. Chance of precipitation is 30%.

    Low: 58 °F

    Scattered
    Showers then
    Mostly Clear

  • Tuesday

    Tuesday: Isolated showers after 3pm. Mostly sunny, with a high near 80. Southwest wind 5 to 9 mph. Chance of precipitation is 20%.

    High: 80 °F

    Mostly Sunny
    then Isolated
    Showers

  • Tuesday Night

    Tuesday Night: Scattered showers, mainly before midnight. Mostly cloudy, with a low around 61. Southwest wind 6 to 8 mph. Chance of precipitation is 30%.

    Low: 61 °F

    Scattered
    Showers

  • Wednesday

    Wednesday: Partly sunny, with a high near 79. Southwest wind 6 to 8 mph.

    High: 79 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers. Mostly cloudy, with a low around 56. West wind around 6 mph becoming light and variable after midnight. Chance of precipitation is 40%.

    Low: 56 °F

    Chance
    Showers

  • Thursday

    Thursday: A chance of showers. Mostly cloudy, with a high near 75. Southeast wind 5 to 8 mph. Chance of precipitation is 30%.

    High: 75 °F

    Chance
    Showers

Detailed Forecast

Today
Increasing clouds, with a high near 57. Calm wind becoming south 5 to 9 mph in the afternoon.
Tonight
Scattered showers, mainly between 10pm and 5am. Cloudy, with a low around 43. South wind 11 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Isolated showers before 7am, then scattered showers after 1pm. Mostly cloudy, with a high near 69. Southwest wind around 18 mph, with gusts as high as 32 mph. Chance of precipitation is 30%.
Monday Night
Scattered showers, mainly before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 58. West wind 6 to 15 mph. Chance of precipitation is 30%.
Tuesday
Isolated showers after 3pm. Mostly sunny, with a high near 80. Southwest wind 5 to 9 mph. Chance of precipitation is 20%.
Tuesday Night
Scattered showers, mainly before midnight. Mostly cloudy, with a low around 61. Southwest wind 6 to 8 mph. Chance of precipitation is 30%.
Wednesday
Partly sunny, with a high near 79. Southwest wind 6 to 8 mph.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 56. West wind around 6 mph becoming light and variable after midnight. Chance of precipitation is 40%.
Thursday
A chance of showers. Mostly cloudy, with a high near 75. Southeast wind 5 to 8 mph. Chance of precipitation is 30%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 56. Southwest wind around 7 mph. Chance of precipitation is 30%.
Friday
Partly sunny, with a high near 76. Northwest wind 6 to 8 mph.
Friday Night
Partly cloudy, with a low around 52. North wind around 5 mph.
Saturday
Mostly sunny, with a high near 70. Light and variable wind becoming south 5 to 9 mph in the morning.
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ABOUT THIS FORECAST

 
Point Forecast:
Waltham MA
 42.41°N 71.24°W (Elev. 230 ft)
Last Update:
4:12 am EDT Apr 12, 2026
Forecast Valid:
8am EDT Apr 12, 2026-6pm EDT Apr 18, 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