Portsmouth, New Hampshire | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast day icon
    Monday
    Partly Sunny
    66°
    Forecast night icon
    Night
    Partly Cloudy
    53°
    Monday 5/20
    Day
    66°
    Partly Sunny
    Forecast day icon
    Night
    53°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Patchy fog this morning. Partly sunny. Highs in the upper 60s. Light and variable winds becoming southeast around 10 mph this afternoon.
    Night Details
    Partly cloudy. Lows in the lower 50s. Light and variable winds.
  • Forecast day icon
    Tuesday
    Partly Sunny
    79°
    Forecast night icon
    Night
    Partly Cloudy
    66°
    Tuesday 5/21
    Day
    79°
    Partly Sunny
    Forecast day icon
    Night
    66°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly sunny. Highs in the upper 70s. Light and variable winds becoming south around 10 mph with gusts up to 25 mph in the afternoon.
    Night Details
    Partly cloudy in the evening then clearing. Lows in the lower 60s. South winds around 10 mph with gusts up to 20 mph in the evening becoming light and variable.
  • Forecast day icon
    Wednesday
    Mostly Sunny
    87°
    Forecast night icon
    Night
    Partly Cloudy
    68°
    Wednesday 5/22
    Day
    87°
    Mostly Sunny
    Forecast day icon
    Night
    68°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Warm with highs in the mid 80s. Light and variable winds becoming southwest around 10 mph with gusts up to 20 mph in the afternoon.
    Night Details
    Mostly clear in the evening then becoming partly cloudy. Lows in the lower 60s.
  • Forecast day icon
    Thursday
    30% Chance Rain Showers
    84°
    Forecast night icon
    Night
    30% Chance Rain Showers
    64°
    Thursday 5/23
    Day
    84°
    30% Chance Rain Showers
    Forecast day icon
    Night
    64°
    30% 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 30 percent.
    Night Details
    Partly cloudy. A chance of showers in the evening. Lows in the upper 50s. Chance of rain 30 percent.
  • Forecast day icon
    Friday
    Partly Sunny
    79°
    Forecast night icon
    Night
    Mostly Clear
    55°
    Friday 5/24
    Day
    79°
    Partly Sunny
    Forecast day icon
    Night
    55°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Partly sunny. Highs in the mid 70s.
    Night Details
    Mostly clear. Lows in the lower 50s.
  • Forecast day icon
    Saturday
    Partly Sunny
    72°
    Forecast night icon
    Night
    Partly Cloudy
    53°
    Saturday 5/25
    Day
    72°
    Partly Sunny
    Forecast day icon
    Night
    53°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly sunny. Highs in the lower 70s.
    Night Details
    Partly cloudy. Lows in the lower 50s.
  • Forecast day icon
    Sunday
    Partly Sunny
    60°
    Forecast night icon
    Night
    30% Chance of Rain
    51°
    Sunday 5/26
    Day
    60°
    Partly Sunny
    Forecast day icon
    Night
    51°
    30% Chance of Rain
    Forecast night icon
    Hourly
    Day Details
    Partly sunny. Highs in the upper 60s.
    Night Details
    Partly cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 51F. Dew point will be around 48F with an average humidity of 80%. Winds will be 5 mph from the SE.
  • Forecast day icon
    Monday
    40% Chance of Rain
    66°
    Forecast night icon
    Night
    40% Chance of Rain
    59°
    Monday 5/27
    Day
    66°
    40% Chance of Rain
    Forecast day icon
    Night
    59°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Cloudy with a chance of rain. Chance of precipitation 35%. High temperature around 66F. Dew point will be around 55F with an average humidity of 74%. Winds will be 4 mph from the SE.
    Night Details
    Cloudy with a chance of rain. Chance of precipitation 35%. Low temperature around 59F. Dew point will be around 56F with an average humidity of 84%. Winds will be 3 mph from the SE.
  • Forecast day icon
    Tuesday
    40% Chance of Rain
    66°
    Forecast night icon
    Night
    50% Chance of Rain
    60°
    Tuesday 5/28
    Day
    66°
    40% Chance of Rain
    Forecast day icon
    Night
    60°
    50% Chance of Rain
    Forecast night icon
    Day Details
    Cloudy with a chance of rain. Chance of precipitation 35%. High temperature around 66F. Dew point will be around 57F with an average humidity of 78%. Winds will be 4 mph from the SE.
    Night Details
    Cloudy with a chance of rain. Chance of precipitation 45%. Low temperature around 60F. Dew point will be around 56F with an average humidity of 82%. Winds will be 2 mph from the SE.
  • Forecast day icon
    Wednesday
    40% Chance of Rain
    67°
    Forecast night icon
    Night
    40% Chance of Rain
    60°
    Wednesday 5/29
    Day
    67°
    40% Chance of Rain
    Forecast day icon
    Night
    60°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Cloudy with a chance of rain. Chance of precipitation 40%. High temperature around 67F. Dew point will be around 57F with an average humidity of 75%. Winds will be 3 mph from the SE.
    Night Details
    Cloudy with a chance of rain. Chance of precipitation 40%. Low temperature around 60F. Dew point will be around 56F with an average humidity of 81%. Winds will be 2 mph from the S.