Portsmouth weather in October 2025

Q: How warm is it in Portsmouth in October?

Daytime temperatures usually reach 15°C in Portsmouth in October, falling to 10°C at night.

Q: How sunny is it in Portsmouth in October?

There are normally 4 hours of bright sunshine each day in Portsmouth in October - that's 36% of daylight hours.

Q: How warm is the sea around Portsmouth in October?

The average sea temperature around Portsmouth in October is 15°C.

Q: Does it rain in Portsmouth in October?

There are usually 14 days with some rain in Portsmouth in October and the average monthly rainfall is 75mm.

Expect daytime maximum temperatures of 59°F in Portsmouth, England in October based on long-term weather averages. There are 4 hours of sunshine per day on average with 14 days with some rainfall and typically 3.0 inches of rainfall in the month.

59
59°F max day temperature
4
4 hours of sunshine per day
14
14 days with some rainfall
50
50°F min night temperature
11
11 hours of daylight per day
0
No heat & humidity
3.0
3.0 inches of monthly rainfall
2
2 (Low) UV index
59
59°F sea temperature

More about Portsmouth

Portsmouth by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for England

National Trust Holidays: up to 25% off last minute breaks

Discount Code

Save up to 25% on last minute holiday bookings
Book breaks to Norfolk, Cornwall, Wales & beyond
Travel before 30th April 2025 (inclusive)

Show discount code

******UTE

Redeem National Trust Holidays discount code >>

Expires at 23:59 on Wednesday 30th Apr 2025 · View all National Trust Holidays offers

The October weather guide for England (Portsmouth) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C) | Imperial (°F)

More about England

How warm is it in Portsmouth in October?

Daytime temperatures usually reach 59°F in Portsmouth in October, falling to 50°F at night.

How sunny is it in Portsmouth in October?

There are normally 4 hours of bright sunshine each day in Portsmouth in October - that's 36% of daylight hours.

How warm is the sea around Portsmouth in October?

The average sea temperature around Portsmouth in October is 59°F.

Does it rain in Portsmouth in October?

There are usually 14 days with some rain in Portsmouth in October and the average monthly rainfall is 3.0 inches.

Portsmouth October sunrise & sunset times

Browse the sunrise and sunset times for Portsmouth in October 2025. Select a month to view Portsmouth sunrise and sunset times for the next 12 months.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec