10-Day Weather Forecast - Merrimack, NH

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  • |20°F
    Cloudy
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    Tonight

    20°F

    Cloudy with a 20 percent chance of snow. Lows around 17. Light and variable winds.

    Hourly details
  • Day

    38°F

    Mostly cloudy. A slight chance of rain and snow in the morning then rain in the afternoon. Highs in the mid 30s. Light and variable winds becoming south around 10 mph in the afternoon. Chance of precipitation 90 percent.

    Night

    32°F

    Mostly cloudy in the evening then becoming partly cloudy. A chance of snow in the evening. A chance of rain. Lows in the upper 20s. Southwest winds around 10 mph. Chance of precipitation 50 percent.

    Hourly details
  • Day

    30°F

    Partly sunny. Highs in the lower 30s. West winds 10 to 15 mph with gusts up to 30 mph.

    Night

    18°F

    Partly cloudy in the evening then clearing. Lows 15 to 20.

    Hourly details
  • Day

    29°F

    Mostly sunny. Highs in the lower 30s.

    Night

    18°F

    Mostly clear in the evening then becoming partly cloudy. Lows 15 to 20.

    Hourly details
  • Weekend Weather

  • Day

    33°F

    Partly sunny. Highs in the mid 30s.

    Night

    25°F

    Mostly cloudy. A chance of snow after midnight. Lows in the lower 20s. Chance of snow 30 percent.

    Hourly details
  • Day

    30°F

    Partly sunny with a 40 percent chance of snow. Highs in the lower 30s.

    Night

    12°F

    Partly cloudy in the evening then clearing. Lows around 10 above.

    Hourly details
  • Day

    20°F

    Mostly sunny. Highs in the lower 20s.

    Night

    14°F

    Cloudy. Low temperature around 14F. Dew point will be around 6F with an average humidity of 67%. Winds will be 6 mph from the NW.

    Hourly details
  • Day

    26°F

    Mostly sunny. High temperature around 26F. Dew point will be around 10F with an average humidity of 61%. Winds will be 5 mph from the W.

    Night

    17°F

    Clear. Low temperature around 17F. Dew point will be around 10F with an average humidity of 70%. Winds will be 3 mph from the W.

  • Day

    31°F

    Mostly sunny. High temperature around 31F. Dew point will be around 16F with an average humidity of 66%. Winds will be 5 mph from the SW.

    Night

    28°F

    Mostly cloudy with a slight chance of snow. Chance of precipitation 30%. Low temperature around 28F. Dew point will be around 23F with an average humidity of 81%. Winds will be 6 mph from the S.

  • Day

    38°F

    Cloudy with a chance of rain-snow mix. Chance of precipitation 45%. High temperature around 38F. Dew point will be around 30F with an average humidity of 84%. Winds will be 5 mph from the SW.

    Night

    30°F

    Cloudy with a chance of rain-snow mix. Chance of precipitation 35%. Low temperature around 30F. Dew point will be around 28F with an average humidity of 86%. Winds will be 5 mph from the SW.