Current conditions at

Nashua - Boire Field Airport (KASH)

Lat: 42.78°NLon: 71.51°WElev: 180ft.

Mostly Cloudy

92°F

33°C

Humidity 41%
Wind Speed W 6 mph
Barometer 30.01 in (1016.0 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index94°F (34°C)
Last update 15 Jul 3:56 pm EDT
Extended Forecast for

Nashua NH

Heat Advisory July 15, 04:49pm until July 16, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory July 15, 04:49pm until July 16, 08:00pm

    NOW until 8:00pm Wed

    Heat Advisory

  • This Afternoon

    High: 91 °F

    Isolated
    Showers

  • Tonight

    Tonight: Widespread haze between 7pm and 10pm. Patchy fog after 1am.  Otherwise, mostly clear, with a low around 68. Calm wind.

    Low: 68 °F

    Haze then
    Patchy Fog

  • Wednesday

    Wednesday: Widespread haze. Patchy fog before 7am.  Otherwise, sunny and hot, with a high near 94. Heat index values as high as 99. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 94 °F

    Patchy Fog
    then Haze

  • Wednesday Night

    Wednesday Night: Patchy fog after 5am.  Otherwise, increasing clouds, with a low around 73. South wind around 5 mph becoming calm  in the evening.

    Low: 73 °F

    Partly Cloudy
    then Patchy
    Fog

  • Thursday

    Thursday: Showers likely, with thunderstorms also possible after 2pm.  Patchy fog before 7am.  Otherwise, partly sunny and hot, with a high near 90. Southwest wind around 5 mph.  Chance of precipitation is 60%.

    High: 90 °F

    Showers
    Likely and
    Patchy Fog

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 9pm.  Partly cloudy, with a low around 72. Chance of precipitation is 30%.

    Low: 72 °F

    Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Isolated showers after 5pm. Mostly sunny and hot, with a high near 91. Heat index values as high as 96. Southwest wind around 5 mph. Chance of precipitation is 20%.
Tonight
Widespread haze between 7pm and 10pm. Patchy fog after 1am. Otherwise, mostly clear, with a low around 68. Calm wind.
Wednesday
Widespread haze. Patchy fog before 7am. Otherwise, sunny and hot, with a high near 94. Heat index values as high as 99. Calm wind becoming southwest around 5 mph in the afternoon.
Wednesday Night
Patchy fog after 5am. Otherwise, increasing clouds, with a low around 73. South wind around 5 mph becoming calm in the evening.
Thursday
Showers likely, with thunderstorms also possible after 2pm. Patchy fog before 7am. Otherwise, partly sunny and hot, with a high near 90. Southwest wind around 5 mph. Chance of precipitation is 60%.
Thursday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 9pm. Partly cloudy, with a low around 72. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 85.
Friday Night
Mostly clear, with a low around 60.
Saturday
Mostly sunny, with a high near 85.
Saturday Night
Partly cloudy, with a low around 63.
Sunday
A 30 percent chance of showers. Partly sunny, with a high near 84.
Sunday Night
A 30 percent chance of showers. Partly cloudy, with a low around 64.
Monday
Mostly sunny, with a high near 83.
Monday Night
Mostly clear, with a low around 61.
Tuesday
Mostly sunny, with a high near 82.
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ABOUT THIS FORECAST

 
Point Forecast:
Nashua NH
 42.74°N 71.46°W (Elev. 167 ft)
1:48 pm EDT Jul 15, 2025
4pm EDT Jul 15, 2025-6pm EDT Jul 22, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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