10-Day Weather Forecast - Merrimack, NH

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  • 34|3°F
    Partly Sunny
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    Today

    34°F

    Partly sunny. Highs in the mid 30s. Northwest winds around 10 mph with gusts up to 20 mph.

    Tonight

    3°F

    Clear cooler with lows around 4 above. Northwest winds around 10 mph in the evening becoming light and variable. Wind chill values as low as 3 below.

    Hourly details
  • Day

    23°F

    Mostly sunny. Highs in the upper 20s. Light and variable winds.

    Night

    10°F

    Mostly clear. Lows around 9 above. Light and variable winds.

    Hourly details
  • Day

    37°F

    Partly sunny in the morning then mostly cloudy with snow and rain likely in the afternoon. Little or no snow accumulation. Highs in the upper 30s. Light and variable winds becoming southwest around 10 mph in the afternoon. Chance of precipitation 70 percent.

    Night

    29°F

    Snow likely. Rain. Lows in the upper 20s. Chance of precipitation 80 percent.

    Hourly details
  • Day

    49°F

    Partly sunny. A chance of snow in the morning. Highs around 50. Chance of snow 40 percent.

    Night

    27°F

    Partly cloudy with a 40 percent chance of rain. Lows in the lower 30s.

    Hourly details
  • Day

    48°F

    Partly sunny with a 50 percent chance of rain. Highs in the lower 50s.

    Night

    31°F

    Rain likely. Lows in the lower 30s. Chance of rain 70 percent.

    Hourly details
  • Day

    38°F

    Rain and freezing rain likely in the morning then a chance of rain in the afternoon. Highs around 40. Chance of precipitation 60 percent.

    Night

    27°F

    Cloudy with a 40 percent chance of rain. Lows in the lower 30s.

    Hourly details
  • Weekend Weather

  • Day

    49°F

    Cloudy with a 40 percent chance of rain. Highs in the upper 50s.

    Night

    34°F

    Cloudy with a chance of rain. Chance of precipitation 35%. Low temperature around 34F. Dew point will be around 36F with an average humidity of 86%. Winds will be 6 mph from the SW.

  • Day

    55°F

    Sunny with a slight chance of rain. Chance of precipitation 25%. High temperature around 55F. Dew point will be around 31F with an average humidity of 53%. Winds will be 3 mph from the SW.

    Night

    33°F

    Mostly clear with a slight chance of rain. Chance of precipitation 25%. Low temperature around 33F. Dew point will be around 29F with an average humidity of 71%. Winds will be 4 mph from the SW.

  • Day

    59°F

    Partly cloudy with a slight chance of rain. Chance of precipitation 25%. High temperature around 59F. Dew point will be around 32F with an average humidity of 51%. Winds will be 4 mph from the S.

    Night

    40°F

    Partly cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 40F. Dew point will be around 37F with an average humidity of 78%. Winds will be 5 mph from the SW.

  • Day

    63°F

    Cloudy with a slight chance of rain. Chance of precipitation 25%. High temperature around 63F. Dew point will be around 42F with an average humidity of 61%. Winds will be 6 mph from the SW.

    Night

    43°F

    Cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 43F. Dew point will be around 41F with an average humidity of 75%. Winds will be 6 mph from the SW.