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

Keene, Dillant-Hopkins Airport (KEEN)

Lat: 42.9°NLon: 72.27°WElev: 489ft.

Partly Cloudy

79°F

26°C

Humidity 56%
Wind Speed S 5 mph
Barometer 29.99 in (1015.7 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 20 Aug 1:56 pm EDT
Extended Forecast for

Sullivan NH

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 77. West wind around 5 mph.

    High: 77 °F

    Mostly Cloudy

  • Tonight

    Tonight: A 20 percent chance of showers before 10pm. Cloudy, then gradually becoming partly cloudy, with a low around 53. Calm wind becoming north around 5 mph.

    Low: 53 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 76. Northeast wind around 5 mph.

    High: 76 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 54. East wind around 5 mph becoming calm.

    Low: 54 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 50 percent chance of showers after 10am. Mostly cloudy, with a high near 70. East wind around 5 mph.

    High: 70 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A 50 percent chance of showers. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 57.

    Low: 57 °F

    Chance
    Showers and
    Patchy Fog

  • Sunday

    Sunday: A chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Areas of fog before 8am. Otherwise, mostly cloudy, with a high near 75. Chance of precipitation is 60%.

    High: 75 °F

    Areas Fog
    then Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and midnight. Mostly cloudy, with a low around 56. Chance of precipitation is 40%.

    Low: 56 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 77. West wind around 5 mph.
Tonight
A 20 percent chance of showers before 10pm. Cloudy, then gradually becoming partly cloudy, with a low around 53. Calm wind becoming north around 5 mph.
Friday
Mostly sunny, with a high near 76. Northeast wind around 5 mph.
Friday Night
Mostly cloudy, with a low around 54. East wind around 5 mph becoming calm.
Saturday
A 50 percent chance of showers after 10am. Mostly cloudy, with a high near 70. East wind around 5 mph.
Saturday Night
A 50 percent chance of showers. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 57.
Sunday
A chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Areas of fog before 8am. Otherwise, mostly cloudy, with a high near 75. Chance of precipitation is 60%.
Sunday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and midnight. Mostly cloudy, with a low around 56. Chance of precipitation is 40%.
Monday
Mostly sunny, with a high near 74.
Monday Night
Mostly clear, with a low around 51.
Tuesday
Sunny, with a high near 73.
Tuesday Night
Mostly clear, with a low around 52.
Wednesday
Sunny, with a high near 76.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sullivan NH
 43.02°N 72.23°W (Elev. 1385 ft)
Last Update:
2:18 pm EDT Aug 20, 2026
Forecast Valid:
2pm EDT Aug 20, 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