Weather in Portsmouth in October
Portsmouth, United States averages a high of 21.4°C (70.5°F) and low of 13.3°C (55.9°F) in October, with 7 rain days and 8.5 hours of daily sunshine. Travel score: 78.8/100 (Good). The best time to visit Portsmouth is May.
High
21°C71°F
Low
13°C56°F
🌧️
7
rain days
☀️
8.5
hrs/day sunshine
💧
74%
humidity
79— Good
October in Portsmouth is mild and mostly dry — good for most activities.
What are the average temperatures in Portsmouth?
How much does it rain in Portsmouth in October?
Portsmouth receives an average of 85.4mm of rainfall across 7 rainy days in October. The annual total is 1149.2mm.
What should I pack for Portsmouth in October?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Mix of light and warm layers
Mild temperatures around 21°C
🧴
Sunscreen SPF 30+
9 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun
🎉Visiting United States in October?
Don't miss any public holidays — check before you book!
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Data based on 1994–2024 averages · Last updated: 2024-12-31