See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
06:46
Sunrise
19:03
Sunset
Moon
Waxing Crescent
13:14
Moonrise
20:45
Moonset
Daily Forecast
Today
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Air Quality Data Available
Upgrade to access real-time air quality data for Portslade.
Resources
UV Index
Humidity
Weather in Portslade today, September 16, 2026
Expect a muted, overcast feel in Portslade on September 16, 2026 as cloud persists. Brighter breaks, if they arrive, should stay brief. The first half of the day looks overcast, as cloud amounts reach about 65% around 11:00. Brighter weather, if it comes, waits until later.
Expect highs of 19°C and cooler readings close to 13°C. The air stays humid, with relative humidity between 52% and 87% and the peak around 05:00. Expect gentle winds, highest near 22:00 at 4.8 km/h.
Expect persistent cloud later on, with amounts around 100% by 18:00. Sunshine remains the exception, not the rule. Visibility stays generally good near 35.8 km on average, though it can drop toward 25.3 km in thicker cloud or showers. The sun rises at 06:46 and sets at 19:03, for a total of 12 hours 17 minutes of sunlight today.
The practical takeaway for Portslade on September 16, 2026 is a cloudy day that stays usable, just not particularly bright, around 19°C.
Frequently asked questions about weather in Portslade
How warm does it get in Portslade?
The warmest month in Portslade is August, with average high temperatures of 19°C. The average temperature during this period is around 18°C.
How cold does it get in Portslade?
The coldest month in Portslade is January, with average low temperatures of 6°C. The average temperature during this period is around 7°C.
What is the wettest time of year in Portslade?
The wettest month in Portslade is November, with an average of 121mm of precipitation.
What is the driest time of year in Portslade?
The driest month in Portslade is April, with an average of 41mm of precipitation.
Explore more weather forecasts
- Hove, England
- London, England
- Shoreham-by-Sea, England
- Birmingham, England
- Brighton, England
- Liverpool, England
- Lancing, England
- Glasgow, Scotland
- Hurstpierpoint, England
- Manchester, England
- Worthing, England
- Sheffield, England
- Rottingdean, England
- Leeds, England
- Burgess Hill, England
- Edinburgh, Scotland