Portsmouth weather in October 2024

Expect 17°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Portsmouth in October. Check more long-term weather averages for Portsmouth in October before you book your next holiday to New Hampshire in 2024/2025.

  • 17°C maximum daytime temperature in October in Portsmouth17
    17°C max day temperature
  • 6 hours of sunshine per day
  • 9 days with some rainfall in October in Portsmouth9
    9 days with some rainfall
  • 4°C minimum night-time temperature in October in Portsmouth4
    4°C min night temperature
  • 11 hours of daylight per day in October in Portsmouth11
    11 hours of daylight per day
  • No heat & humidity in October in Portsmouth0
    No heat & humidity
  • 94 mm monthly rainfall in October in Portsmouth94
    94 mm of monthly rainfall
  • UV (maximum) index 3 (Moderate) in October in Portsmouth3
    3 (Moderate) UV index
  • 12°C sea temperature in October in Portsmouth12
    12°C sea temperature

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