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    Previous 5 Days Next 5 Days
    • Thu

      Sep 29

      68° /49°
      Times of clouds and sun
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    • Fri

      Sep 30

      71° /47°F
      Partly sunny
    • Sat

      Oct 1

      69° /50°
      Sunny
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    • Sun

      Oct 2

      74° /47°
      Mostly sunny
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    • Mon

      Oct 3

      66° /50°
      Plenty of sunshine
      More

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    Temperature History

    more Historical Weather Data >
      Today Normal Record 9/30/2015
    High 71° 68° 85° (1952) 77°
    Low 47° 43° 24° (1951) 53°

    Sunrise/Sunset

    • Sunrise: 6:43 AM
    • Sunset: 6:28 PM
    • Duration: 11:45 hr

    Moonrise/Moonset

    • Moonrise: 6:11 AM
    • Moonset: 6:32 PM
    • Duration: 12:21 hr
    Astronomy

    Merrimack Weather Report

    Crisp fall air to bring first frost of season to parts of northeastern US

    September 24, 2016; 3:04 PM ET

    Fall air has finally arrived in the northeastern United States and may yield the first frost of the season in parts of the region this weekend. More >