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

Jaffrey Airport-Silver Ranch (KAFN)

Lat: 42.81°NLon: 72°WElev: 1010ft.

Overcast

62°F

17°C

Humidity 84%
Wind Speed Calm
Barometer 30.12 in (1020.1 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 22 Aug 6:52 am EDT
Extended Forecast for

Peterborough NH

  • Today

    Today: A 20 percent chance of showers after 1pm. Mostly cloudy, with a high near 70. Calm wind becoming east around 5 mph in the afternoon.

    High: 70 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Tonight

    Tonight: A 30 percent chance of showers, mainly after 3am. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 55. Calm wind. New precipitation amounts of less than a tenth of an inch possible.

    Low: 55 °F

    Chance
    Showers and
    Patchy Fog

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 2pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 75. Calm wind becoming southeast around 5 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 75 °F

    Chance
    Showers and
    Patchy Fog

  • Sunday Night

    Sunday Night: A 40 percent chance of showers before 10pm. Mostly cloudy, with a low around 56. Calm wind.

    Low: 56 °F

    Chance
    Showers then
    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 75. Light southwest wind increasing to 5 to 10 mph in the morning.

    High: 75 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

Detailed Forecast

Today
A 20 percent chance of showers after 1pm. Mostly cloudy, with a high near 70. Calm wind becoming east around 5 mph in the afternoon.
Tonight
A 30 percent chance of showers, mainly after 3am. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 55. Calm wind. New precipitation amounts of less than a tenth of an inch possible.
Sunday
A chance of showers, with thunderstorms also possible after 2pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 75. Calm wind becoming southeast around 5 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A 40 percent chance of showers before 10pm. Mostly cloudy, with a low around 56. Calm wind.
Monday
Sunny, with a high near 75. Light southwest wind increasing to 5 to 10 mph in the morning.
Monday Night
Mostly clear, with a low around 52.
Tuesday
Sunny, with a high near 74.
Tuesday Night
Mostly clear, with a low around 52.
Wednesday
Sunny, with a high near 78.
Wednesday Night
Mostly clear, with a low around 56.
Thursday
Mostly sunny, with a high near 79.
Thursday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 59.
Friday
A 50 percent chance of showers. Partly sunny, with a high near 78.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Peterborough NH
 42.87°N 71.97°W (Elev. 919 ft)
Last Update:
2:28 am EDT Aug 22, 2026
Forecast Valid:
7am EDT Aug 22, 2026-6pm EDT Aug 28, 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