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    Next 5 Days
    • Early AM

      Sep 30

      48° Lo
      Mostly cloudy
      More
    • Today

      Sep 30

      61° /50°F
      Cloudy and breezy
    • Sat

      Oct 1

      55° /51°
      Breezy with periods of rain
      More
    • Sun

      Oct 2

      61° /54°
      Cloudy with a shower or two
      More
    • Mon

      Oct 3

      63° /54°
      Cloudy with a shower in spots
      More
    Friday
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    Forecast Cloudy Mostly Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy
    Temp (°F) 50° 50° 49° 49° 49° 49° 49° 48°
    RealFeel® 46° 44° 43° 41° 40° 39° 39° 38°
    Wind (mph) 7 NW 9 NNW 12 NNW 14 NNW 15 N 17 NNE 17 NNE 16 NNE
    precip
    12am
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    Rain
    1%
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    Snow
    0%
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    Ice
    0%
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    SKY
    12am
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    UV Index 0 0 0 0 0 0 0 0
    Cloud Cover 67% 83% 90% 93% 95% 96% 97% 98%
    Humidity 79% 80% 80% 79% 79% 78% 78% 79%
    Dew Point 43° 44° 43° 43° 43° 42° 42° 42°
    Temp °F
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    55° 50° 45°

    Temperature History

    more Historical Weather Data >
      Today Normal Record 9/30/2015
    High 61° 68° 85° (1952) 77°
    Low 50° 43° 24° (1951) 53°

    Sunrise/Sunset

    • Sunrise: 6:42 AM
    • Sunset: 6:30 PM
    • Duration: 11:48 hr

    Moonrise/Moonset

    • Moonrise: 5:12 AM
    • Moonset: 6:04 PM
    • Duration: 12:52 hr
    Astronomy

    Merrimack Weather Report

    Persistent rain to raise flood risk in part of northeastern US

    September 29, 2016; 11:16 PM ET

    Persistent downpours will raise the flood risk in part of the mid-Atlantic into Friday, while rain will spread over the balance of the northeastern United States into the weekend. More >