Portsmouth, New Hampshire | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    Partly Cloudy
    48°
    Sunday 5/12
    Forecast night icon
    48°
    Partly Cloudy
    Hourly
    Night Details
    Mostly cloudy with a slight chance of showers this evening then partly cloudy after midnight. Lows in the mid 40s. South winds around 10 mph this evening becoming light and variable. Chance of rain 20 percent.
  • Forecast day icon
    Monday
    Partly Sunny
    61°
    Forecast night icon
    Night
    30% Chance Rain Showers
    54°
    Monday 5/13
    Day
    61°
    Partly Sunny
    Forecast day icon
    Night
    54°
    30% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Partly sunny. Highs in the mid 60s. Light and variable winds becoming southeast around 10 mph with gusts up to 20 mph in the afternoon.
    Night Details
    Partly cloudy with a slight chance of showers in the evening then mostly cloudy with a chance of showers after midnight. Lows in the lower 50s. South winds around 10 mph. Chance of rain 30 percent.
  • Forecast day icon
    Tuesday
    Partly Sunny
    73°
    Forecast night icon
    Night
    50% Chance Rain Showers
    61°
    Tuesday 5/14
    Day
    73°
    Partly Sunny
    Forecast day icon
    Night
    61°
    50% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Partly sunny. Highs in the lower 70s. South winds around 10 mph.
    Night Details
    Cloudy with a 50 percent chance of showers. Lows in the mid 50s. South winds around 10 mph with gusts up to 20 mph.
  • Forecast day icon
    Wednesday
    60% Chance Rain Showers
    62°
    Forecast night icon
    Night
    50% Chance Rain Showers
    53°
    Wednesday 5/15
    Day
    62°
    60% Chance Rain Showers
    Forecast day icon
    Night
    53°
    50% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Showers likely. Highs in the mid 60s. Chance of rain 60 percent.
    Night Details
    Mostly cloudy with a 50 percent chance of showers. Lows in the lower 50s.
  • Forecast day icon
    Thursday
    30% Chance Rain Showers
    60°
    Forecast night icon
    Night
    Partly Cloudy
    54°
    Thursday 5/16
    Day
    60°
    30% Chance Rain Showers
    Forecast day icon
    Night
    54°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy in the morning then becoming partly sunny. A 30 percent chance of showers. Highs in the lower 60s.
    Night Details
    Partly cloudy. Lows in the upper 40s.
  • Forecast day icon
    Friday
    Partly Sunny
    62°
    Forecast night icon
    Night
    Mostly Cloudy
    51°
    Friday 5/17
    Day
    62°
    Partly Sunny
    Forecast day icon
    Night
    51°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly sunny. Highs in the lower 60s.
    Night Details
    Mostly cloudy. Lows in the upper 40s.
  • Forecast day icon
    Saturday
    40% Chance Rain Showers
    64°
    Forecast night icon
    Night
    40% Chance Rain Showers
    55°
    Saturday 5/18
    Day
    64°
    40% Chance Rain Showers
    Forecast day icon
    Night
    55°
    40% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with a 40 percent chance of showers. Highs in the upper 50s.
    Night Details
    Mostly cloudy with a 40 percent chance of showers. Lows in the upper 40s.
  • Forecast day icon
    Sunday
    30% Chance Rain Showers
    67°
    Forecast night icon
    Night
    30% Chance of Rain
    56°
    Sunday 5/19
    Day
    67°
    30% Chance Rain Showers
    Forecast day icon
    Night
    56°
    30% Chance of Rain
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy in the morning then becoming partly sunny. A 30 percent chance of showers. Highs in the lower 60s.
    Night Details
    Clear with a slight chance of rain. Chance of precipitation 25%. Low temperature around 56F. Dew point will be around 53F with an average humidity of 83%. Winds will be 2 mph from the SE.
  • Forecast day icon
    Monday
    30% Chance of Rain
    65°
    Forecast night icon
    Night
    30% Chance of Rain
    54°
    Monday 5/20
    Day
    65°
    30% Chance of Rain
    Forecast day icon
    Night
    54°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Mostly sunny with a slight chance of rain. Chance of precipitation 30%. High temperature around 65F. Dew point will be around 54F with an average humidity of 74%. Winds will be 4 mph from the E.
    Night Details
    Cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 54F. Dew point will be around 52F with an average humidity of 83%. Winds will be 4 mph from the E.
  • Forecast day icon
    Tuesday
    30% Chance of Rain
    63°
    Forecast night icon
    Night
    40% Chance of Rain
    56°
    Tuesday 5/21
    Day
    63°
    30% Chance of Rain
    Forecast day icon
    Night
    56°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Cloudy with a slight chance of rain. Chance of precipitation 25%. High temperature around 63F. Dew point will be around 55F with an average humidity of 81%. Winds will be 4 mph from the E.
    Night Details
    Cloudy with a chance of rain. Chance of precipitation 35%. Low temperature around 56F. Dew point will be around 54F with an average humidity of 86%. Winds will be 4 mph from the SE.