Merrimack, New Hampshire | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    30% Chance Rain Showers
    52°
    Friday 5/17
    Forecast night icon
    52°
    30% Chance Rain Showers
    Hourly
    Night Details
    Partly cloudy this evening then mostly cloudy with scattered showers after midnight. Lows in the lower 50s. Northeast winds around 10 mph this evening becoming light and variable. Chance of rain 30 percent.
  • Forecast day icon
    Saturday
    50% Chance Rain Showers
    64°
    Forecast night icon
    Night
    50% Chance Rain Showers
    52°
    Saturday 5/18
    Day
    64°
    50% Chance Rain Showers
    Forecast day icon
    Night
    52°
    50% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Cloudy with scattered showers. Highs in the lower 60s. Light and variable winds becoming northeast around 10 mph with gusts up to 20 mph in the afternoon. Chance of rain 50 percent.
    Night Details
    Cloudy. Scattered showers mainly in the evening. Lows in the lower 50s. Northeast winds around 10 mph with gusts up to 20 mph in the evening becoming light and variable. Chance of rain 50 percent.
  • Forecast day icon
    Sunday
    Mostly Cloudy
    65°
    Forecast night icon
    Night
    Mostly Cloudy
    49°
    Sunday 5/19
    Day
    65°
    Mostly Cloudy
    Forecast day icon
    Night
    49°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy. Highs in the mid 60s. Light and variable winds becoming northeast around 10 mph in the afternoon.
    Night Details
    Mostly cloudy. Lows around 50. Light and variable winds.
  • Forecast day icon
    Monday
    Partly Sunny
    79°
    Forecast night icon
    Night
    Mostly Clear
    54°
    Monday 5/20
    Day
    79°
    Partly Sunny
    Forecast day icon
    Night
    54°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy in the morning then becoming partly sunny. Highs in the mid 70s.
    Night Details
    Mostly clear. Lows in the lower 50s.
  • Forecast day icon
    Tuesday
    Mostly Sunny
    89°
    Forecast night icon
    Night
    Mostly Clear
    60°
    Tuesday 5/21
    Day
    89°
    Mostly Sunny
    Forecast day icon
    Night
    60°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Warm with highs in the mid 80s.
    Night Details
    Mostly clear. Lows in the upper 50s.
  • Forecast day icon
    Wednesday
    Mostly Sunny
    89°
    Forecast night icon
    Night
    Partly Cloudy
    59°
    Wednesday 5/22
    Day
    89°
    Mostly Sunny
    Forecast day icon
    Night
    59°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Warm with highs in the mid 80s.
    Night Details
    Partly cloudy. Lows around 60.
  • Forecast day icon
    Thursday
    40% Chance Rain Showers
    84°
    Forecast night icon
    Night
    40% Chance Rain Showers
    58°
    Thursday 5/23
    Day
    84°
    40% Chance Rain Showers
    Forecast day icon
    Night
    58°
    40% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Partly sunny. A chance of showers in the afternoon. Highs in the lower 80s. Chance of rain 40 percent.
    Night Details
    Partly cloudy with a chance of showers. Lows in the upper 50s. Chance of rain 40 percent.
  • Forecast day icon
    Friday
    Partly Sunny
    79°
    Forecast night icon
    Night
    Partly Cloudy
    55°
    Friday 5/24
    Day
    79°
    Partly Sunny
    Forecast day icon
    Night
    55°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly sunny. Highs in the upper 70s.
    Night Details
    Partly cloudy. Low temperature around 55F. Dew point will be around 52F with an average humidity of 69%. Winds will be 5 mph from the W.
  • Forecast day icon
    Saturday
    30% Chance of Rain
    75°
    Forecast night icon
    Night
    40% Chance of Rain
    57°
    Saturday 5/25
    Day
    75°
    30% Chance of Rain
    Forecast day icon
    Night
    57°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Mostly sunny with a slight chance of rain. Chance of precipitation 25%. High temperature around 75F. Dew point will be around 53F with an average humidity of 59%. Winds will be 3 mph from the NW.
    Night Details
    Partly cloudy with a chance of rain. Chance of precipitation 35%. Low temperature around 57F. Dew point will be around 51F with an average humidity of 69%. Winds will be 1 mph from the SW.
  • Forecast day icon
    Sunday
    30% Chance of Rain
    78°
    Forecast night icon
    Night
    30% Chance of Rain
    57°
    Sunday 5/26
    Day
    78°
    30% Chance of Rain
    Forecast day icon
    Night
    57°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Mostly cloudy with a slight chance of rain. Chance of precipitation 25%. High temperature around 78F. Dew point will be around 56F with an average humidity of 61%. Winds will be 2 mph from the S.
    Night Details
    Partly cloudy with a slight chance of rain. Chance of precipitation 30%. Low temperature around 57F. Dew point will be around 53F with an average humidity of 73%. Winds will be 2 mph from the SW.