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    • Early AM

      Sep 28

      55° Lo
      Drizzle
      • Common Cold
        • Common Cold
        • Flu
      • Common Cold
      • Weather
      • Avg Temp: 64°
      • Avg RealFeel: 64°
      • Hi RealFeel: 75°
      More
    • Today

      Sep 28

      60° /51°F
      Cooler with occasional rain
      • Beneficial
      • weather for colds
      • Avg Temp: 56°
      • Avg RealFeel: 52°
      • Hi RealFeel: 59°
    • Thu

      Sep 29

      62° /51°
      Mostly cloudy with a shower
      • Beneficial
      • weather for colds
      • Avg Temp: 57°
      • Avg RealFeel: 52°
      • Hi RealFeel: 58°
      More
    • Fri

      Sep 30

      59° /52°
      Cloudy with a shower or two
      • Beneficial
      • weather for colds
      • Avg Temp: 56°
      • Avg RealFeel: 52°
      • Hi RealFeel: 58°
      More
    • Sat

      Oct 1

      59° /53°
      Periods of rain
      • Beneficial
      • weather for colds
      • Avg Temp: 56°
      • Avg RealFeel: 55°
      • Hi RealFeel: 59°
      More

    Day

    60°Hi RealFeel® 59° Precipitation 55%
    Rather cloudy and cooler with a little rain
    • NE 9 mph
    • Gusts: 14 mph
    • Max UV Index: 2 (Low)
    • Thunderstorms: 0%
    • Precipitation: 0.04 in
    • Rain: 0.04 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 2 hrs
    • Hours of Rain: 2 hrs

    Night

    51°Lo RealFeel® 44° Precipitation 64%
    Rather cloudy and breezy with spotty drizzle
    • NE 14 mph
    • Gusts: 22 mph
    • Max UV Index: N/A
    • Thunderstorms: 0%
    • Precipitation: 0.04 in
    • Rain: 0.04 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 1 hrs
    • Hours of Rain: 1 hrs

    Temperature History

    more Historical Weather Data >
      Today Normal Record 9/28/2015
    High 60° 68° 87° (2014) 79°
    Low 51° 44° 40° (2006) 43°

    Sunrise/Sunset

    • Sunrise: 6:41 AM
    • Sunset: 6:31 PM
    • Duration: 11:50 hr

    Moonrise/Moonset

    • Moonrise: 4:11 AM
    • Moonset: 5:34 PM
    • Duration: 13:23 hr
    Astronomy

    Merrimack Weather Report

    Rain to soak northeastern US during final days of September

    September 28, 2016; 2:45 AM ET

    Periods of rain will drench portions of the northeastern United States Friday. More >

    Wed. Cold & Flu

    Wed. UV Index