Current conditions at

Nashua - Boire Field Airport (KASH)

Lat: 42.78°NLon: 71.51°WElev: 180ft.

Partly Cloudy

93°F

34°C

Humidity 41%
Wind Speed Vrbl 6 mph
Barometer 29.81 in (1009.5 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index96°F (36°C)
Last update 13 Aug 1:56 pm EDT
Extended Forecast for

2 Miles WSW East Merrimack NH

Heat Advisory August 13, 02:33pm until August 13, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 13, 02:33pm until August 13, 08:00pm

    NOW until 8:00pm Wed

    Heat Advisory

  • This Afternoon

    High: 94 °F

    Scattered
    T-storms

  • Tonight

    Tonight: Scattered showers and thunderstorms before 11pm, then isolated showers between 11pm and midnight.  Patchy fog after 11pm.  Otherwise, mostly cloudy, with a low around 70. West wind around 5 mph becoming calm.  Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 70 °F

    Scattered
    T-storms and
    Patchy Fog
    then Patchy
    Fog

  • Thursday

    Thursday: Showers and thunderstorms likely, mainly before 3pm.  Patchy fog before 9am.  Otherwise, partly sunny, with a high near 88. Calm wind becoming north around 5 mph.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 88 °F

    Chance
    Showers and
    Patchy Fog
    then Showers
    Likely

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 64. Calm wind.

    Low: 64 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 84. North wind around 5 mph becoming east in the afternoon.

    High: 84 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Scattered showers and thunderstorms, mainly after 5pm. Partly sunny and hot, with a high near 94. Heat index values as high as 98. Southwest wind around 5 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Scattered showers and thunderstorms before 11pm, then isolated showers between 11pm and midnight. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 70. West wind around 5 mph becoming calm. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers and thunderstorms likely, mainly before 3pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 88. Calm wind becoming north around 5 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Partly cloudy, with a low around 64. Calm wind.
Friday
Sunny, with a high near 84. North wind around 5 mph becoming east in the afternoon.
Friday Night
Mostly clear, with a low around 58.
Saturday
Sunny, with a high near 88.
Saturday Night
Mostly clear, with a low around 65.
Sunday
Mostly sunny and hot, with a high near 92.
Sunday Night
Partly cloudy, with a low around 62.
Monday
Mostly sunny, with a high near 79.
Monday Night
Partly cloudy, with a low around 56.
Tuesday
Mostly sunny, with a high near 80.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW East Merrimack NH
 42.86°N 71.52°W (Elev. 207 ft)
1:58 pm EDT Aug 13, 2025
2pm EDT Aug 13, 2025-6pm EDT Aug 19, 2025
 
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Additional Resources

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