10-Day Weather Forecast - Portsmouth, NH

As of

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  • |65°F
    Mostly Clear

    Tonight

    65°F

    Mostly clear. Lows in the upper 50s. Light and variable winds.

    Hourly details
  • 79|65°F
    Mostly Sunny

    Day

    79°F

    Mostly sunny. Highs around 80. Light and variable winds, becoming south around 10 mph in the afternoon.

    Night

    65°F

    Partly cloudy. Lows in the lower 60s. Light and variable winds.

    Hourly details
  • 81|71°F
    40% Chance Rain Showers

    Day

    81°F

    Partly sunny. A chance of showers in the afternoon. Humid with highs in the lower 80s. Light and variable winds, becoming south around 10 mph with gusts up to 20 mph in the afternoon. Chance of rain 40 percent.

    Night

    71°F

    Partly cloudy with a chance of showers in the evening, then showers likely after midnight. Lows in the mid 60s. Chance of rain 70 percent.

    Hourly details
  • 81|64°F
    60% Chance Rain Showers

    Day

    81°F

    Showers likely. Highs around 80. Chance of rain 60 percent.

    Night

    64°F

    Partly cloudy. A chance of showers in the evening. Lows in the lower 60s. Chance of rain 40 percent.

    Hourly details
  • 74|57°F
    Partly Sunny

    Day

    74°F

    Partly sunny. Highs in the upper 70s.

    Night

    57°F

    Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 50s.

    Hourly details
  • 80|65°F
    Mostly Sunny

    Day

    80°F

    Mostly sunny. Highs around 80.

    Night

    65°F

    Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 60s.

    Hourly details
  • 81|64°F
    Partly Sunny

    Day

    81°F

    Partly sunny. Highs in the lower 80s.

    Night

    64°F

    Partly cloudy with a 35% chance for rain and thunderstorms. Low temperature around 64F. Dew point will be around 61F with an average humidity of 80%. Winds will be 5 mph from the SW.

    Hourly details
  • 74|63°F
    40% Chance of Rain

    Day

    74°F

    Partly cloudy with a chance of rain. Chance of precipitation 35%. High temperature around 74F. Dew point will be around 59F with an average humidity of 69%. Winds will be 2 mph from the SE.

    Night

    63°F

    Mostly cloudy with a chance of rain. Chance of precipitation 35%. Low temperature around 63F. Dew point will be around 58F with an average humidity of 80%. Winds will be 2 mph from the S.

  • 70|61°F
    40% Chance of Rain

    Day

    70°F

    Partly cloudy with a chance of rain. Chance of precipitation 40%. High temperature around 70F. Dew point will be around 58F with an average humidity of 75%. Winds will be 2 mph from the E.

    Night

    61°F

    Partly cloudy with a chance of rain. Chance of precipitation 35%. Low temperature around 61F. Dew point will be around 57F with an average humidity of 81%. Winds will be 2 mph from the NW.

  • 72|60°F
    30% Chance of Rain

    Day

    72°F

    Mostly sunny with a slight chance of rain. Chance of precipitation 25%. High temperature around 72F. Dew point will be around 56F with an average humidity of 69%. Winds will be 3 mph from the E.

    Night

    60°F

    Partly cloudy with a chance of rain. Chance of precipitation 35%. Low temperature around 60F. Dew point will be around 56F with an average humidity of 80%. Winds will be 3 mph from the NW.