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.

Fair

70°F

21°C

Humidity 26%
Wind Speed SW 10 mph
Barometer 29.90 in (1013.0 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Last update 10 Mar 2:56 pm EDT
Extended Forecast for

Sullivan NH

  • Tonight

    Tonight: Increasing clouds, with a low around 38. Southwest wind around 5 mph becoming calm in the evening.

    Low: 38 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: A 40 percent chance of rain, mainly after 9am. Patchy fog between 3pm and 5pm. Otherwise, mostly cloudy, with a high near 44. East wind around 5 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 44 °F

    Chance Rain
    and Patchy
    Fog

  • Wednesday Night

    Wednesday Night: Rain likely. Patchy fog before 10pm. Otherwise, cloudy, with a low around 41. Southeast wind 5 to 10 mph becoming southwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 41 °F

    Rain Likely
    and Patchy
    Fog

  • Thursday

    Thursday: A chance of rain before noon, then a chance of snow between noon and 1pm. Mostly cloudy, with a high near 45. West wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    High: 45 °F

    Chance Rain
    then Chance
    Snow

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 22. West wind around 10 mph, with gusts as high as 20 mph.

    Low: 22 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 40.

    High: 40 °F

    Partly Sunny

  • Friday Night

    Friday Night: Snow likely, mainly between 11pm and midnight. Mostly cloudy, with a low around 27. Chance of precipitation is 60%.

    Low: 27 °F

    Snow Likely

  • Saturday

    Saturday: Partly sunny, with a high near 39.

    High: 39 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 21.

    Low: 21 °F

    Partly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 38. Southwest wind around 5 mph becoming calm in the evening.
Wednesday
A 40 percent chance of rain, mainly after 9am. Patchy fog between 3pm and 5pm. Otherwise, mostly cloudy, with a high near 44. East wind around 5 mph. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Rain likely. Patchy fog before 10pm. Otherwise, cloudy, with a low around 41. Southeast wind 5 to 10 mph becoming southwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
A chance of rain before noon, then a chance of snow between noon and 1pm. Mostly cloudy, with a high near 45. West wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 22. West wind around 10 mph, with gusts as high as 20 mph.
Friday
Partly sunny, with a high near 40.
Friday Night
Snow likely, mainly between 11pm and midnight. Mostly cloudy, with a low around 27. Chance of precipitation is 60%.
Saturday
Partly sunny, with a high near 39.
Saturday Night
Partly cloudy, with a low around 21.
Sunday
A 30 percent chance of snow after 10am. Mostly cloudy, with a high near 44.
Sunday Night
Rain and snow likely. Cloudy, with a low around 32. Chance of precipitation is 70%.
Monday
Rain and snow. High near 53. Chance of precipitation is 80%.
Monday Night
Rain and snow likely. Mostly cloudy, with a low around 19. Chance of precipitation is 60%.
Tuesday
Mostly sunny, with a high near 30.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sullivan NH
 43.01°N 72.2°W (Elev. 1257 ft)
Last Update:
2:44 pm EDT Mar 10, 2026
Forecast Valid:
3pm EDT Mar 10, 2026-6pm EDT Mar 17, 2026
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation