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Hazardous Weather Conditions

Current conditions at

Nashua - Boire Field Airport (KASH)

Lat: 42.78°NLon: 71.51°WElev: 180ft.

Fair

86°F

30°C

Humidity 61%
Wind Speed W 9 mph
Barometer 29.90 in (1012.1 mb)
Dewpoint 71°F (22°C)
Visibility 9.00 mi
Heat Index91°F (33°C)
Last update 3 Jul 8:56 am EDT
Extended Forecast for

Nashua / Boire Field NH

Extreme Heat Warning July 3, 09:24am until July 3, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning July 3, 09:24am until July 3, 08:00pm

    NOW until 8:00pm Fri

    Extreme Heat Warning

  • Today

    High: 99 °F

    Hot

  • Tonight

    Tonight: Scattered showers and thunderstorms between 10pm and midnight. Increasing clouds, with a low around 72. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 72 °F

    Scattered
    Showers then
    Partly Cloudy

  • Independence Day

    Independence Day: A chance of showers and thunderstorms between 4pm and 5pm. Mostly sunny and hot, with a high near 92. Heat index values as high as 97. West wind 5 to 10 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 92 °F

    Sunny then
    Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 65. Northwest wind around 5 mph becoming calm.

    Low: 65 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 87. Calm wind becoming north around 5 mph.

    High: 87 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 62.

    Low: 62 °F

    Mostly Cloudy

  • Monday

    Monday: A 30 percent chance of showers after 3pm. Mostly cloudy, with a high near 83.

    High: 83 °F

    Mostly Cloudy
    then Chance
    Showers

  • Monday Night

    Monday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 59.

    Low: 59 °F

    Chance
    Showers

Detailed Forecast

Today
Sunny and hot, with a high near 99. Heat index values as high as 104. Northwest wind 10 to 15 mph.
Tonight
Scattered showers and thunderstorms between 10pm and midnight. Increasing clouds, with a low around 72. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Independence Day
A chance of showers and thunderstorms between 4pm and 5pm. Mostly sunny and hot, with a high near 92. Heat index values as high as 97. West wind 5 to 10 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Mostly clear, with a low around 65. Northwest wind around 5 mph becoming calm.
Sunday
Mostly sunny, with a high near 87. Calm wind becoming north around 5 mph.
Sunday Night
Mostly cloudy, with a low around 62.
Monday
A 30 percent chance of showers after 3pm. Mostly cloudy, with a high near 83.
Monday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 59.
Tuesday
A 50 percent chance of showers. Partly sunny, with a high near 78.
Tuesday Night
Mostly cloudy, with a low around 60.
Wednesday
Mostly sunny, with a high near 87.
Wednesday Night
Partly cloudy, with a low around 65.
Thursday
Mostly sunny and hot, with a high near 94.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Nashua / Boire Field NH
 42.77°N 71.51°W (Elev. 213 ft)
Last Update:
6:14 am EDT Jul 3, 2026
Forecast Valid:
9am EDT Jul 3, 2026-6pm EDT Jul 9, 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