10-Day Weather Forecast - Merrimack, NH

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  • |15°F
    Partly Cloudy
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    Tonight

    15°F

    Mostly clear this evening then becoming partly cloudy. Lows around 7 above. Light and variable winds.

    Hourly details
  • Day

    37°F

    Mostly cloudy. Snow mainly in the morning. Snow accumulation of 1 to 3 inches. Highs in the upper 30s. Light and variable winds. Chance of snow 90 percent.

    Night

    28°F

    Partly cloudy. A slight chance of snow showers in the evening. Lows in the lower 20s. Light and variable winds. Chance of snow 20 percent.

    Hourly details
  • Day

    37°F

    Partly sunny. Highs in the upper 30s. West winds around 10 mph.

    Night

    18°F

    Partly cloudy. Lows around 14. Light and variable winds.

    Hourly details
  • Day

    39°F

    Partly sunny. Highs in the upper 30s.

    Night

    24°F

    Mostly clear in the evening then becoming partly cloudy. Lows around 20.

    Hourly details
  • Weekend Weather

  • Day

    46°F

    Partly sunny. Highs in the mid 40s.

    Night

    26°F

    Partly cloudy. Lows in the mid 20s.

    Hourly details
  • Day

    38°F

    Partly sunny. Highs in the upper 30s.

    Night

    16°F

    Mostly clear in the evening then becoming partly cloudy. Lows around 10 above.

    Hourly details
  • Day

    26°F

    Partly sunny. A chance of snow in the afternoon. Highs in the mid 20s. Chance of snow 30 percent.

    Night

    13°F

    Partly cloudy. A chance of snow in the evening. Lows around 10 above. Chance of snow 30 percent.

    Hourly details
  • Day

    32°F

    Partly sunny. Highs in the lower 30s.

    Night

    20°F

    Clear with a chance of snow. Chance of precipitation 40%. Low temperature around 20F. Dew point will be around 14F with an average humidity of 70%. Winds will be 3 mph from the SW.

  • Day

    44°F

    Mostly sunny with a chance of rain-snow mix. Chance of precipitation 45%. High temperature around 44F. Dew point will be around 22F with an average humidity of 58%. Winds will be 7 mph from the SW.

    Night

    30°F

    Mostly clear. Low temperature around 30F. Dew point will be around 24F with an average humidity of 71%. Winds will be 4 mph from the W.

  • Day

    40°F

    Cloudy. High temperature around 40F. Dew point will be around 22F with an average humidity of 56%. Winds will be 2 mph from the W.

    Night

    27°F

    Cloudy with a slight chance of rain-snow mix. Chance of precipitation 25%. Low temperature around 27F. Dew point will be around 19F with an average humidity of 68%. Winds will be 1 mph from the NW.