10-Day Weather Forecast - Merrimack, NH

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  • |70°F
    Chance of Rain Showers

    Tonight

    70°F

    Mostly cloudy with isolated thunderstorms. Isolated showers this evening then rain after midnight. Lows around 60. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 90 percent.

    Hourly details
  • 82|59°F
    30% Chance Rain Showers

    Day

    82°F

    Partly sunny. Scattered showers in the morning. Highs in the lower 80s. Northwest winds around 10 mph. Chance of rain 30 percent.

    Night

    59°F

    Mostly clear. Lows in the mid 50s. Northwest winds around 10 mph in the evening becoming light and variable.

    Hourly details
  • 79|56°F
    Mostly Sunny

    Day

    79°F

    Mostly sunny. Highs in the lower 80s. Light and variable winds.

    Night

    56°F

    Mostly clear. Lows in the mid 50s.

    Hourly details
  • 82|60°F
    Partly Sunny

    Day

    82°F

    Partly sunny. Highs in the lower 80s.

    Night

    60°F

    Partly cloudy. Lows in the mid 50s.

    Hourly details
  • 76|65°F
    70% Chance Rain Showers

    Day

    76°F

    Partly sunny with a chance of showers in the morning then showers likely in the afternoon. Highs in the lower 80s. Chance of rain 70 percent.

    Night

    65°F

    Showers likely in the evening then partly cloudy with a chance of showers after midnight. Lows in the lower 60s. Chance of rain 70 percent.

    Hourly details
  • 83|62°F
    Partly Sunny

    Day

    83°F

    Partly sunny. Highs in the mid 80s.

    Night

    62°F

    Partly cloudy in the evening then becoming mostly clear. Lows in the upper 50s.

    Hourly details
  • 78|58°F
    Mostly Sunny

    Day

    78°F

    Mostly sunny. Highs in the lower 80s.

    Night

    58°F

    Mostly clear. Low temperature around 58F. Dew point will be around 52F with an average humidity of 66%. Winds will be 8 mph from the W.

    Hourly details
  • 77|59°F
    Mostly Sunny

    Day

    77°F

    Mostly sunny. High temperature around 77F. Dew point will be around 55F with an average humidity of 56%. Winds will be 9 mph from the W.

    Night

    59°F

    Partly cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 59F. Dew point will be around 56F with an average humidity of 74%. Winds will be 6 mph from the W.

  • 75|60°F
    40% Chance of Rain

    Day

    75°F

    Partly cloudy with a chance of rain. Chance of precipitation 40%. High temperature around 75F. Dew point will be around 59F with an average humidity of 68%. Winds will be 4 mph from the W.

    Night

    60°F

    Partly cloudy with a chance of rain. Chance of precipitation 40%. Low temperature around 60F. Dew point will be around 58F with an average humidity of 81%. Winds will be 3 mph from the SW.

  • 81|61°F
    40% Chance of Rain

    Day

    81°F

    Mostly sunny with a chance of rain. Chance of precipitation 35%. High temperature around 81F. Dew point will be around 59F with an average humidity of 62%. Winds will be 3 mph from the NW.

    Night

    61°F

    Mostly clear. Low temperature around 61F. Dew point will be around 58F with an average humidity of 75%. Winds will be 2 mph from the NW.