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Hourly Forecast
Daylight Hours
06:56
Sunrise
19:14
Sunset
Moon
Waxing Crescent
13:29
Moonrise
20:52
Moonset
Daily Forecast
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Weather in Portishead today, September 16, 2026
Portishead stays under cloudy skies on September 16, 2026, with only brief brighter breaks. Plan for a day that feels grey more often than open. The morning sky stays heavily clouded, with cover near 91% around 11:00. Grey conditions set the early tone before any later change.
Expect highs of 18°C and cooler readings close to 14°C. Expect humidity between 59% and 88%, most humid near 07:00. Winds stay light, near 7.1 km/h by 18:00, so the day feels still more than breezy.
Through the afternoon cloud remains the main feature, with cover near 100% around 15:00. Bright spells should stay limited even as the day wears on. Horizontal visibility sits around 32.9 km, briefly nearer 23.0 km. Expect sunrise at 06:56, sunset at 19:14, and 12 hours 18 minutes of sunlight today overall.
The practical takeaway for Portishead on September 16, 2026 is a cloudy day that stays usable, just not particularly bright, around 18°C.
Frequently asked questions about weather in Portishead
How warm does it get in Portishead?
The warmest month in Portishead is July, with average high temperatures of 22°C. The average temperature during this period is around 18°C.
How cold does it get in Portishead?
The coldest month in Portishead is January, with average low temperatures of 3°C. The average temperature during this period is around 5°C.
What is the wettest time of year in Portishead?
The wettest month in Portishead is October, with an average of 98mm of precipitation.
What is the driest time of year in Portishead?
The driest month in Portishead is April, with an average of 57mm of precipitation.
