Current conditions at

Nashua - Boire Field Airport (KASH)

Lat: 42.78°NLon: 71.51°WElev: 180ft.

Partly Cloudy

86°F

30°C

Humidity 55%
Wind Speed NE 5 mph
Barometer 30.04 in (1017.0 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 15 Jul 11:56 am EDT
Extended Forecast for

Nashua NH

Heat Advisory until July 15, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory until July 15, 08:00pm

    NOW until 8:00pm Tue

    Heat Advisory

  • This Afternoon

    High: 91 °F

    Hot

  • Tonight

    Tonight: Widespread haze before 10pm. Patchy fog after 1am.  Otherwise, mostly clear, with a low around 69. Calm wind.

    Low: 69 °F

    Haze then
    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 7am.  Otherwise, sunny and hot, with a high near 93. Heat index values as high as 99. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 93 °F

    Patchy Fog
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers after 2am.  Patchy fog after 5am.  Otherwise, mostly cloudy, with a low around 73. South wind around 5 mph becoming calm  in the evening.

    Low: 73 °F

    Mostly Cloudy
    then Chance
    Showers and
    Patchy Fog

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 11am.  Patchy fog before 7am.  Otherwise, partly sunny and hot, with a high near 91. Southwest wind around 5 mph.  Chance of precipitation is 50%.

    High: 91 °F

    Chance
    Showers and
    Patchy Fog
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: Scattered thunderstorms before 8pm.  Partly cloudy, with a low around 73. Chance of precipitation is 30%.

    Low: 73 °F

    Scattered
    T-storms then
    Partly Cloudy

  • Friday

    Friday: A 30 percent chance of showers after 2pm.  Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: A 30 percent chance of showers before 8pm.  Partly cloudy, with a low around 63.

    Low: 63 °F

    Chance
    Showers then
    Partly Cloudy

Detailed Forecast

This Afternoon
Mostly sunny and hot, with a high near 91. Heat index values as high as 96. Calm wind becoming southwest around 5 mph.
Tonight
Widespread haze before 10pm. Patchy fog after 1am. Otherwise, mostly clear, with a low around 69. Calm wind.
Wednesday
Patchy fog before 7am. Otherwise, sunny and hot, with a high near 93. Heat index values as high as 99. Calm wind becoming southwest around 5 mph in the afternoon.
Wednesday Night
A 30 percent chance of showers after 2am. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 73. South wind around 5 mph becoming calm in the evening.
Thursday
A chance of showers, with thunderstorms also possible after 11am. Patchy fog before 7am. Otherwise, partly sunny and hot, with a high near 91. Southwest wind around 5 mph. Chance of precipitation is 50%.
Thursday Night
Scattered thunderstorms before 8pm. Partly cloudy, with a low around 73. Chance of precipitation is 30%.
Friday
A 30 percent chance of showers after 2pm. Mostly sunny, with a high near 86.
Friday Night
A 30 percent chance of showers before 8pm. Partly cloudy, with a low around 63.
Saturday
Mostly sunny, with a high near 84.
Saturday Night
Partly cloudy, with a low around 64.
Sunday
A 40 percent chance of showers. Partly sunny, with a high near 83.
Sunday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 65.
Monday
Mostly sunny, with a high near 82.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Nashua NH
 42.74°N 71.46°W (Elev. 167 ft)
8:18 am EDT Jul 15, 2025
12pm EDT Jul 15, 2025-6pm EDT Jul 21, 2025
 
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