National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Nashua - Boire Field Airport (KASH)

Lat: 42.78°NLon: 71.51°WElev: 180ft.

Fair

80°F

27°C

Humidity 54%
Wind Speed Calm
Barometer 29.85 in (1010.8 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 19 Aug 6:56 pm EDT
Extended Forecast for

Lyndeborough NH

  • Tonight

    Tonight: Partly cloudy, with a low around 63. West wind around 5 mph becoming calm.

    Low: 63 °F

    Partly Cloudy

  • Thursday

    Thursday: Increasing clouds, with a high near 80. Calm wind becoming west around 5 mph in the afternoon.

    High: 80 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: A 30 percent chance of showers, mainly before midnight. Cloudy, then gradually becoming partly cloudy, with a low around 58. Calm wind. New precipitation amounts of less than a tenth of an inch possible.

    Low: 58 °F

    Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 79. Calm wind becoming northeast around 5 mph.

    High: 79 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 57. Southeast wind around 5 mph becoming calm.

    Low: 57 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 40 percent chance of showers. Mostly cloudy, with a high near 74.

    High: 74 °F

    Chance
    Showers

  • Saturday Night

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

    Low: 59 °F

    Chance
    Showers

  • Sunday

    Sunday: A chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 3pm, then showers likely and possibly a thunderstorm after 3pm. Mostly cloudy, with a high near 77. Chance of precipitation is 60%.

    High: 77 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and midnight. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.

    Low: 59 °F

    Showers
    Likely then
    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 63. West wind around 5 mph becoming calm.
Thursday
Increasing clouds, with a high near 80. Calm wind becoming west around 5 mph in the afternoon.
Thursday Night
A 30 percent chance of showers, mainly before midnight. Cloudy, then gradually becoming partly cloudy, with a low around 58. Calm wind. New precipitation amounts of less than a tenth of an inch possible.
Friday
Mostly sunny, with a high near 79. Calm wind becoming northeast around 5 mph.
Friday Night
Mostly cloudy, with a low around 57. Southeast wind around 5 mph becoming calm.
Saturday
A 40 percent chance of showers. Mostly cloudy, with a high near 74.
Saturday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 59.
Sunday
A chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 3pm, then showers likely and possibly a thunderstorm after 3pm. Mostly cloudy, with a high near 77. Chance of precipitation is 60%.
Sunday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and midnight. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.
Monday
Sunny, with a high near 77.
Monday Night
Mostly clear, with a low around 55.
Tuesday
Sunny, with a high near 77.
Tuesday Night
Mostly clear, with a low around 56.
Wednesday
Mostly sunny, with a high near 78.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lyndeborough NH
 42.89°N 71.72°W (Elev. 801 ft)
Last Update:
6:00 pm EDT Aug 19, 2026
Forecast Valid:
7pm EDT Aug 19, 2026-6pm EDT Aug 26, 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