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.
- 1717°C max day temperature
- 6 hours of sunshine per day
- 99 days with some rainfall
- 44°C min night temperature
- 1111 hours of daylight per day
- 0No heat & humidity
- 9494 mm of monthly rainfall
- 33 (Moderate) UV index
- 1212°C sea temperature
More about Portsmouth
- Overview
- Best time to visit
- Weather by month
- 5-day weather forecast
- Destinations
- Travel advice
- Deals & discounts