Portsmouth Weather in October

October in Portsmouth averages 22°C (72°F) during the day and 13°C (55°F) at night. Quite a bit of rainfall is typical this month, with around 118 mm (4.6 in) on average. An umbrella is a good idea.

Rainfall in Portsmouth in October

Historically, the month has about 9 days of rain, averaging 118 mm (4.6 in) in total. When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.

Temperature in Portsmouth in October

In October, Portsmouth sees high temperatures, with highs of 22°C (72°F). Nights drop to around 13°C (55°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. At 13°C (55°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.

Sunshine in Portsmouth in October

With approximately 206 hours of sunshine, the days are filled with clear skies. It makes it a perfect month for being outside.

If you prefer enjoying temperate temperatures and rain-free days, April typically offers the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.