Dangerously Excessive Heat and Humidity Continues from the Midwest and Eastward

Oppressive heat and humidity will continue through Saturday from the Midwest to the East Coast. The Midwest will get a slight reprieve on Sunday as a cold front moves through the area, while excessive heat continues in the East. In addition, strong to severe storms will bring potential for damaging winds, hail, and heavy rain on Saturday. Read More >

Current conditions at

Nashua - Boire Field Airport (KASH)

Lat: 42.78°NLon: 71.51°WElev: 180ft.

Fair

80°F

27°C

Humidity 90%
Wind Speed Calm
Barometer 29.80 in (1009.5 mb)
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 20 Jul 6:56 am EDT
Extended Forecast for

4 Miles WNW Westford MA

Excessive Heat Warning until July 21, 08:00pm
Click here for hazard details and duration
Excessive Heat Warning
  •  
    Excessive Heat Warning until July 21, 08:00pm

    NOW until
    8:00pm Sun

    Excessive Heat Warning

  • Today

    Today: Mostly sunny and hot, with a high near 97. Heat index values as high as 105. West wind 3 to 6 mph.

    Hot

    High: 97 °F

  • Tonight

    Tonight: Partly cloudy, with a low around 78. West wind around 5 mph.

    Partly Cloudy

    Low: 78 °F

  • Sunday

    Sunday: Scattered showers and thunderstorms, mainly after 11am.  Mostly sunny and hot, with a high near 97. Heat index values as high as 106. West wind 5 to 8 mph.  Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Scattered
    T-storms

    High: 97 °F

  • Sunday
    Night

    Sunday Night: Partly cloudy, with a low around 71. West wind around 5 mph becoming calm  in the evening.

    Partly Cloudy

    Low: 71 °F

  • Monday

    Monday: A chance of showers, mainly after 3pm.  Partly sunny, with a high near 84. Calm wind.  Chance of precipitation is 30%.

    Chance
    Showers

    High: 84 °F

  • Monday
    Night

    Monday Night: Showers likely, with thunderstorms also possible after 9pm.  Patchy fog after 1am.  Otherwise, cloudy, with a low around 64. Calm wind.  Chance of precipitation is 70%.

    Showers
    Likely and
    Patchy Fog

    Low: 64 °F

  • Tuesday

    Tuesday: Showers likely, mainly before 9am.  Patchy fog before 9am.  Otherwise, mostly cloudy, with a high near 75. Light north wind.  Chance of precipitation is 60%.

    Showers
    Likely and
    Patchy Fog

    High: 75 °F

  • Tuesday
    Night

    Tuesday Night: Patchy fog before 2am, then patchy fog after 3am.  Otherwise, mostly cloudy, with a low around 60. Calm wind.

    Mostly Cloudy
    then Patchy
    Fog

    Low: 60 °F

Detailed Forecast

Today
Mostly sunny and hot, with a high near 97. Heat index values as high as 105. West wind 3 to 6 mph.
Tonight
Partly cloudy, with a low around 78. West wind around 5 mph.
Sunday
Scattered showers and thunderstorms, mainly after 11am. Mostly sunny and hot, with a high near 97. Heat index values as high as 106. West wind 5 to 8 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Partly cloudy, with a low around 71. West wind around 5 mph becoming calm in the evening.
Monday
A chance of showers, mainly after 3pm. Partly sunny, with a high near 84. Calm wind. Chance of precipitation is 30%.
Monday Night
Showers likely, with thunderstorms also possible after 9pm. Patchy fog after 1am. Otherwise, cloudy, with a low around 64. Calm wind. Chance of precipitation is 70%.
Tuesday
Showers likely, mainly before 9am. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 75. Light north wind. Chance of precipitation is 60%.
Tuesday Night
Patchy fog before 2am, then patchy fog after 3am. Otherwise, mostly cloudy, with a low around 60. Calm wind.
Wednesday
Patchy fog before 7am. Otherwise, mostly sunny, with a high near 81. Light west wind.
Wednesday Night
Patchy fog after 5am. Otherwise, partly cloudy, with a low around 59. Calm wind.
Thursday
Sunny, with a high near 83. Light and variable wind.
Thursday Night
Patchy fog. Otherwise, mostly clear, with a low around 60. Calm wind.
Friday
Patchy fog. Otherwise, sunny, with a high near 85. Calm wind.
Click Map For Forecast
Point Forecast:
4 Miles WNW Westford MA
 42.62°N 71.49°W (Elev. 305 ft)
3:37 am EDT Jul 20, 2019
7am EDT Jul 20, 2019-6pm EDT Jul 26, 2019
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database