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Heavy Rain and Potential for Flash Flooding

Strong to severe thunderstorms are forecast to develop along a frontal system stretching from portions of the Mississippi Valley into the Ohio Valley. These storms may produce heavy rain and flash flooding. The threat shifts east on Friday. Moonsoon moisture will continue to produce heavy rain with the possibility of localized flash flooding in the Four Corners area. Read More >

7-Day Forecast for Latitude 42.95°N and Longitude 71.17°W (Elev. 217 ft) (Text-Only)
NWS Forecast for: Sandown NH
Issued by: National Weather Service Gray/Portland, ME
Last Update: 7:35 pm EDT Jul 27, 2017
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  • Tonight

    Tonight: Patchy fog after 2am.  Otherwise, partly cloudy, with a low around 62. West wind around 5 mph.

    Partly Cloudy
    then Patchy
    Fog

    Low: 62 °F

  • Friday

    Friday: Patchy fog before 9am.  Otherwise, mostly sunny, with a high near 81. Northwest wind around 5 mph becoming north in the afternoon.

    Patchy Fog
    then Mostly
    Sunny

    High: 81 °F

  • Friday
    Night

    Friday Night: Mostly cloudy, with a low around 60. Calm wind becoming north around 5 mph after midnight.

    Mostly Cloudy


    Low: 60 °F

  • Saturday

    Saturday: Partly sunny, with a high near 73. Northeast wind around 10 mph, with gusts as high as 20 mph.

    Partly Sunny


    High: 73 °F

  • Saturday
    Night

    Saturday Night: Partly cloudy, with a low around 57. North wind around 10 mph.

    Partly Cloudy


    Low: 57 °F

  • Sunday

    Sunday: Sunny, with a high near 75.

    Sunny


    High: 75 °F

  • Sunday
    Night

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

    Partly Cloudy


    Low: 56 °F

  • Monday

    Monday: Mostly sunny, with a high near 79.

    Mostly Sunny


    High: 79 °F

  • Monday
    Night

    Monday Night: Partly cloudy, with a low around 58.

    Partly Cloudy


    Low: 58 °F



  • Tonight: Patchy fog after 2am. Otherwise, partly cloudy, with a low around 62. West wind around 5 mph.

    Friday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 81. Northwest wind around 5 mph becoming north in the afternoon.

    Friday Night: Mostly cloudy, with a low around 60. Calm wind becoming north around 5 mph after midnight.

    Saturday: Partly sunny, with a high near 73. Northeast wind around 10 mph, with gusts as high as 20 mph.

    Saturday Night: Partly cloudy, with a low around 57. North wind around 10 mph.

    Sunday: Sunny, with a high near 75.

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

    Monday: Mostly sunny, with a high near 79.

    Monday Night: Partly cloudy, with a low around 58.

    Tuesday: A 40 percent chance of showers. Mostly sunny, with a high near 80.

    Tuesday Night: Partly cloudy, with a low around 61.

    Wednesday: Mostly sunny, with a high near 86.

    Wednesday Night: Partly cloudy, with a low around 65.

    Thursday: A 30 percent chance of showers. Mostly sunny, with a high near 84.



    Sandown NHSimilar City Names
     42.95°N 71.17°W (Elev. 217 ft)

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