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

Hazardous Weather Conditions

Current conditions at

Nashua - Boire Field Airport (KASH)

Lat: 42.78°NLon: 71.51°WElev: 180ft.

Fog/Mist

67°F

19°C

Humidity 97%
Wind Speed Calm
Barometer 29.95 in (1014.1 mb)
Dewpoint 66°F (19°C)
Visibility 6.00 mi
Last update 28 Jul 4:56 am EDT
Extended Forecast for

Tyngsboro MA

Heat Advisory July 28, 11:00am until July 30, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: Patchy fog before 7am. Otherwise, sunny and hot, with a high near 93. Heat index values as high as 96. Calm wind becoming north 5 to 8 mph in the morning.

    High: 93 °F

    Patchy Fog
    then Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 68. Calm wind.

    Low: 68 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 98. Heat index values as high as 102. Calm wind becoming west around 6 mph in the afternoon.

    High: 98 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 71. Calm wind.

    Low: 71 °F

    Mostly Clear

  • Wednesday

    Wednesday: A slight chance of showers between noon and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 95. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 30%.

    High: 95 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Light north wind. Chance of precipitation is 40%.

    Low: 67 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: A chance of showers. Partly sunny, with a high near 79. Northeast wind 3 to 5 mph. Chance of precipitation is 30%.

    High: 79 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers. Mostly cloudy, with a low around 60. Calm wind. Chance of precipitation is 40%.

    Low: 60 °F

    Chance
    Showers

  • Friday

    Friday: A chance of showers before 10am. Partly sunny, with a high near 77. Northeast wind 5 to 7 mph. Chance of precipitation is 30%.

    High: 77 °F

    Chance
    Showers then
    Mostly Sunny

Detailed Forecast

Today
Patchy fog before 7am. Otherwise, sunny and hot, with a high near 93. Heat index values as high as 96. Calm wind becoming north 5 to 8 mph in the morning.
Tonight
Mostly clear, with a low around 68. Calm wind.
Tuesday
Sunny and hot, with a high near 98. Heat index values as high as 102. Calm wind becoming west around 6 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 71. Calm wind.
Wednesday
A slight chance of showers between noon and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 95. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 30%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Light north wind. Chance of precipitation is 40%.
Thursday
A chance of showers. Partly sunny, with a high near 79. Northeast wind 3 to 5 mph. Chance of precipitation is 30%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 60. Calm wind. Chance of precipitation is 40%.
Friday
A chance of showers before 10am. Partly sunny, with a high near 77. Northeast wind 5 to 7 mph. Chance of precipitation is 30%.
Friday Night
Mostly clear, with a low around 55. Light and variable wind.
Saturday
Sunny, with a high near 79. North wind 3 to 6 mph.
Saturday Night
Clear, with a low around 56. Calm wind.
Sunday
Sunny, with a high near 85. Light northwest wind.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Tyngsboro MA
 42.67°N 71.42°W (Elev. 89 ft)
Last Update:
4:15 am EDT Jul 28, 2025
Forecast Valid:
5am EDT Jul 28, 2025-6pm EDT Aug 3, 2025
 
Forecast Discussion
 
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Additional Resources

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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