Portsmouth, New Hampshire | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    Mostly Clear
    46°
    Monday 4/15
    Forecast night icon
    46°
    Mostly Clear
    Hourly
    Night Details
    Mostly clear. Lows in the upper 30s. Light and variable winds.
  • Forecast day icon
    Tuesday
    Mostly Sunny
    61°
    Forecast night icon
    Night
    Mostly Clear
    41°
    Tuesday 4/16
    Day
    61°
    Mostly Sunny
    Forecast day icon
    Night
    41°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Highs in the lower 60s. West winds around 10 mph with gusts up to 20 mph.
    Night Details
    Mostly clear. Lows in the mid 30s. Northwest winds around 10 mph with gusts up to 20 mph in the evening becoming light and variable.
  • Forecast day icon
    Wednesday
    Mostly Sunny
    52°
    Forecast night icon
    Night
    Partly Cloudy
    39°
    Wednesday 4/17
    Day
    52°
    Mostly Sunny
    Forecast day icon
    Night
    39°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Highs in the mid 50s. Light and variable winds becoming southeast around 10 mph in the afternoon.
    Night Details
    Partly cloudy. Lows in the upper 30s. Southeast winds around 10 mph in the evening becoming light and variable.
  • Forecast day icon
    Thursday
    Partly Sunny
    51°
    Forecast night icon
    Night
    Partly Cloudy
    41°
    Thursday 4/18
    Day
    51°
    Partly Sunny
    Forecast day icon
    Night
    41°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly sunny. Highs around 50.
    Night Details
    Partly cloudy. Lows in the upper 30s.
  • Forecast day icon
    Friday
    Mostly Cloudy
    51°
    Forecast night icon
    Night
    40% Chance Rain Showers
    45°
    Friday 4/19
    Day
    51°
    Mostly Cloudy
    Forecast day icon
    Night
    45°
    40% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy. Highs in the lower 50s.
    Night Details
    Mostly cloudy with a 40 percent chance of showers. Lows in the lower 40s.
  • Forecast day icon
    Saturday
    40% Chance Rain Showers
    63°
    Forecast night icon
    Night
    30% Chance Rain Showers
    41°
    Saturday 4/20
    Day
    63°
    40% Chance Rain Showers
    Forecast day icon
    Night
    41°
    30% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy in the morning then becoming partly sunny. A 40 percent chance of showers. Highs in the upper 50s.
    Night Details
    Partly cloudy. A chance of showers in the evening. Lows in the upper 30s. Chance of rain 30 percent.
  • Forecast day icon
    Sunday
    Partly Sunny
    57°
    Forecast night icon
    Night
    Partly Cloudy
    37°
    Sunday 4/21
    Day
    57°
    Partly Sunny
    Forecast day icon
    Night
    37°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly sunny. Highs in the mid 50s.
    Night Details
    Partly cloudy. Lows in the upper 30s.
  • Forecast day icon
    Monday
    Partly Sunny
    58°
    Forecast night icon
    Night
    Clear
    40°
    Monday 4/22
    Day
    58°
    Partly Sunny
    Forecast day icon
    Night
    40°
    Clear
    Forecast night icon
    Hourly
    Day Details
    Partly sunny. Highs in the mid 50s.
    Night Details
    Clear. Low temperature around 40F. Dew point will be around 26F with an average humidity of 49%. Winds will be 4 mph from the W.
  • Forecast day icon
    Tuesday
    Sunny
    60°
    Forecast night icon
    Night
    Clear
    44°
    Tuesday 4/23
    Day
    60°
    Sunny
    Forecast day icon
    Night
    44°
    Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 60F. Dew point will be around 31F with an average humidity of 43%. Winds will be 4 mph from the S.
    Night Details
    Clear. Low temperature around 44F. Dew point will be around 33F with an average humidity of 57%. Winds will be 4 mph from the SW.
  • Forecast day icon
    Wednesday
    Partly Cloudy
    60°
    Forecast night icon
    Night
    30% Chance of Rain
    46°
    Wednesday 4/24
    Day
    60°
    Partly Cloudy
    Forecast day icon
    Night
    46°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Partly cloudy. High temperature around 60F. Dew point will be around 38F with an average humidity of 54%. Winds will be 3 mph from the SW.
    Night Details
    Partly cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 46F. Dew point will be around 37F with an average humidity of 63%. Winds will be 3 mph from the SW.