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.

Partly Cloudy

74°F

23°C

Humidity 88%
Wind Speed Calm
Barometer 30.05 in (1017.5 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 15 Jul 4:56 am EDT
Extended Forecast for

2 Miles NW Westford MA

Heat Advisory July 15, 11:00am until July 17, 07:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: Mostly cloudy, then gradually becoming sunny and hot, with a high near 90. Heat index values as high as 97. Light southwest wind.

    High: 90 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 69. Light south wind.

    Low: 69 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 92. Heat index values as high as 99. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 92 °F

    Hot

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, mainly after 3am. Mostly cloudy, with a low around 73. Southwest wind 3 to 5 mph. Chance of precipitation is 30%.

    Low: 73 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 89. Southwest wind 5 to 7 mph. Chance of precipitation is 50%.

    High: 89 °F

    Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, mainly before 9pm. Partly cloudy, with a low around 74. Southwest wind around 5 mph. Chance of precipitation is 30%.

    Low: 74 °F

    Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: A chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 86. West wind around 7 mph. Chance of precipitation is 30%.

    High: 86 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 63. Light north wind.

    Low: 63 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 83. Light and variable wind.

    High: 83 °F

    Sunny

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny and hot, with a high near 90. Heat index values as high as 97. Light southwest wind.
Tonight
Mostly clear, with a low around 69. Light south wind.
Wednesday
Sunny and hot, with a high near 92. Heat index values as high as 99. Calm wind becoming southwest around 6 mph in the afternoon.
Wednesday Night
A chance of showers and thunderstorms, mainly after 3am. Mostly cloudy, with a low around 73. Southwest wind 3 to 5 mph. Chance of precipitation is 30%.
Thursday
A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 89. Southwest wind 5 to 7 mph. Chance of precipitation is 50%.
Thursday Night
A chance of showers and thunderstorms, mainly before 9pm. Partly cloudy, with a low around 74. Southwest wind around 5 mph. Chance of precipitation is 30%.
Friday
A chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 86. West wind around 7 mph. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 63. Light north wind.
Saturday
Sunny, with a high near 83. Light and variable wind.
Saturday Night
Partly cloudy, with a low around 63. Light and variable wind.
Sunday
A chance of showers. Partly sunny, with a high near 82. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 30%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 65. West wind 3 to 5 mph. Chance of precipitation is 40%.
Monday
Partly sunny, with a high near 82. Northwest wind around 6 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NW Westford MA
 42.61°N 71.46°W (Elev. 197 ft)
Last Update:
1:16 am EDT Jul 15, 2025
Forecast Valid:
5am EDT Jul 15, 2025-6pm EDT Jul 21, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation