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.

Fog

66°F

19°C

Humidity NA
Wind Speed Calm
Barometer 29.86 in (1011.0 mb)
Dewpoint N/A
Visibility 0.50 mi
Last update 18 Aug 3:56 am EDT
Extended Forecast for

Marlborough NH

  • Today

    Today: A chance of showers, with thunderstorms also possible after 2pm. Patchy fog before 11am. Otherwise, partly sunny, with a high near 81. Calm wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Chance
    Showers and
    Patchy Fog
    then Slight
    Chance
    T-storms

  • Tonight

    Tonight: Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 59. Calm wind.

    Low: 59 °F

    Patchy Fog

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny, with a high near 83. Calm wind becoming west around 5 mph in the afternoon.

    High: 83 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 61. Calm wind.

    Low: 61 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 80. Calm wind becoming west around 5 mph.

    High: 80 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 78.

    High: 78 °F

    Partly Sunny

Detailed Forecast

Today
A chance of showers, with thunderstorms also possible after 2pm. Patchy fog before 11am. Otherwise, partly sunny, with a high near 81. Calm wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 59. Calm wind.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 83. Calm wind becoming west around 5 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 61. Calm wind.
Thursday
Mostly sunny, with a high near 80. Calm wind becoming west around 5 mph.
Thursday Night
Partly cloudy, with a low around 56.
Friday
Mostly sunny, with a high near 81.
Friday Night
Partly cloudy, with a low around 57.
Saturday
Partly sunny, with a high near 78.
Saturday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 57.
Sunday
Showers likely. Mostly cloudy, with a high near 76. Chance of precipitation is 60%.
Sunday Night
Showers likely. Mostly cloudy, with a low around 55. Chance of precipitation is 60%.
Monday
A 30 percent chance of showers. Partly sunny, with a high near 76.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Marlborough NH
 42.9°N 72.2°W (Elev. 778 ft)
Last Update:
2:18 am EDT Aug 18, 2026
Forecast Valid:
4am EDT Aug 18, 2026-6pm EDT Aug 24, 2026
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database Weather Element Forecast

Chance of Precipitation