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

Hazardous Weather Conditions

Current conditions at

Jaffrey Airport-Silver Ranch (KAFN)

Lat: 42.81°NLon: 72°WElev: 1010ft.

Fair

80°F

27°C

Humidity 56%
Wind Speed W 7 mph
Barometer 30.19 in (1022.2 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 13 Jul 11:52 am EDT
Extended Forecast for

Lyndeborough NH

Heat Advisory July 14, 11:00am until July 14, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 89. Southwest wind around 5 mph.

    High: 89 °F

    Mostly Sunny

  • Tonight

    Tonight: Isolated showers before 9pm. Partly cloudy, with a low around 66. Southwest wind around 5 mph. Chance of precipitation is 20%.

    Low: 66 °F

    Isolated
    Showers then
    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny and hot, with a high near 95. Heat index values as high as 99. West wind 5 to 10 mph, with gusts as high as 25 mph.

    High: 95 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 75. West wind around 10 mph, with gusts as high as 20 mph.

    Low: 75 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny and hot, with a high near 92. Northwest wind around 10 mph, with gusts as high as 25 mph.

    High: 92 °F

    Hot

  • Wednesday Night

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

    Low: 65 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 89. Southwest wind around 5 mph.
Tonight
Isolated showers before 9pm. Partly cloudy, with a low around 66. Southwest wind around 5 mph. Chance of precipitation is 20%.
Tuesday
Mostly sunny and hot, with a high near 95. Heat index values as high as 99. West wind 5 to 10 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly clear, with a low around 75. West wind around 10 mph, with gusts as high as 20 mph.
Wednesday
Mostly sunny and hot, with a high near 92. Northwest wind around 10 mph, with gusts as high as 25 mph.
Wednesday Night
Mostly clear, with a low around 65.
Thursday
Sunny, with a high near 86.
Thursday Night
Mostly clear, with a low around 61.
Friday
Sunny, with a high near 82.
Friday Night
Partly cloudy, with a low around 59.
Saturday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 81.
Saturday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 61.
Sunday
A 40 percent chance of showers. Partly sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lyndeborough NH
 42.89°N 71.75°W (Elev. 748 ft)
Last Update:
9:24 am EDT Jul 13, 2026
Forecast Valid:
12pm EDT Jul 13, 2026-6pm EDT Jul 19, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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