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

Hazardous Weather Conditions

Current conditions at

Laurence G Hanscom Field Airport (KBED)

Lat: 42.47°NLon: 71.29°WElev: 132ft.

Light Rain

73°F

23°C

Humidity 90%
Wind Speed SW 5 mph
Barometer 29.97 in (1015.9 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 30 Jun 11:51 pm EDT
Extended Forecast for

Sudbury MA

Extreme Heat Warning July 1, 10:00am until July 4, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning

  • Overnight

    Overnight: Isolated showers and thunderstorms after 3am. Mostly cloudy, with a low around 69. Southwest wind around 7 mph. Chance of precipitation is 20%.

    Low: 69 °F

    Isolated
    T-storms

  • Wednesday

    Wednesday: Isolated showers and thunderstorms before 9am. Mostly sunny and hot, with a high near 95. Heat index values as high as 103. Southwest wind around 9 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

    High: 95 °F

    Isolated
    T-storms then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 75. Southwest wind 7 to 9 mph.

    Low: 75 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny and hot, with a high near 102. Heat index values as high as 113. West wind 8 to 10 mph, with gusts as high as 21 mph.

    High: 102 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 75. West wind 6 to 8 mph.

    Low: 75 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 101. West wind 8 to 11 mph, with gusts as high as 21 mph.

    High: 101 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 68. West wind 3 to 8 mph.

    Low: 68 °F

    Mostly Clear

  • Independence Day

    Independence Day: A chance of showers and thunderstorms after 4pm. Mostly sunny and hot, with a high near 98. West wind 5 to 8 mph. Chance of precipitation is 30%.

    High: 98 °F

    Sunny then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 9pm. Partly cloudy, with a low around 74. Light west wind. Chance of precipitation is 30%.

    Low: 74 °F

    Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Overnight
Isolated showers and thunderstorms after 3am. Mostly cloudy, with a low around 69. Southwest wind around 7 mph. Chance of precipitation is 20%.
Wednesday
Isolated showers and thunderstorms before 9am. Mostly sunny and hot, with a high near 95. Heat index values as high as 103. Southwest wind around 9 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Wednesday Night
Partly cloudy, with a low around 75. Southwest wind 7 to 9 mph.
Thursday
Sunny and hot, with a high near 102. Heat index values as high as 113. West wind 8 to 10 mph, with gusts as high as 21 mph.
Thursday Night
Mostly clear, with a low around 75. West wind 6 to 8 mph.
Friday
Sunny and hot, with a high near 101. West wind 8 to 11 mph, with gusts as high as 21 mph.
Friday Night
Mostly clear, with a low around 68. West wind 3 to 8 mph.
Independence Day
A chance of showers and thunderstorms after 4pm. Mostly sunny and hot, with a high near 98. West wind 5 to 8 mph. Chance of precipitation is 30%.
Saturday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 9pm. Partly cloudy, with a low around 74. Light west wind. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 86. North wind 3 to 6 mph.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 66. Light east wind. Chance of precipitation is 40%.
Monday
A chance of showers. Partly sunny, with a high near 87. Calm wind becoming east around 6 mph in the afternoon. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 63. Light and variable wind.
Tuesday
Mostly sunny, with a high near 89. Calm wind becoming northeast around 6 mph in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sudbury MA
 42.39°N 71.42°W (Elev. 177 ft)
Last Update:
10:27 pm EDT Jun 30, 2026
Forecast Valid:
12am EDT Jul 1, 2026-6pm EDT Jul 7, 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