Christmas 2026 snow forecast
Will it snow in Portslade-by-Sea?
Christmas Day snow odds for Portslade-by-Sea, from 34 winters of observations and our 1 km forecast model.
Share your town’s forecast card →What history says
Christmas snow in Portslade-by-Sea
The calibrated long-range estimate for Portslade-by-Sea is fewer than 1 year in 10. It combines the 1991–2024 HadUK-Grid reconstruction with calibration across rolling historical test periods. The most recent modelled white Christmas in the underlying record was 1996.
2%
White Christmas
1%
Snow on the Day
2%
Snow on the Eve
Christmases in Portslade-by-Sea, 1991–2024
Modelled history
Estimated falling snow on Christmas Eve or Day
1of 34
1990s
2000s
2010s
2020s
Beyond Christmas Day
Will it snow in Portslade-by-Sea this winter?
At Heathrow, the nearest long-running weather station (85 km away), snow has settled in 47% of winters, on about 1.9 days a winter. It usually first settles around 13 January, and lies there in December in 18% of years.
Will it snow in the UK this winter? When and where snow usually arrives →About Portslade-by-Sea
Elevation
10 m
Region
South East England
Model
1 km, in-house
Higher and more northerly places tend to score better, and Portslade-by-Sea sits at 10 m.
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Cite this forecast
You are welcome to quote these odds. Please credit White Christmas UK with a link to this page. Figures update as the forecast comes into range, so the date matters.
Text
Portslade-by-Sea has a 2% chance of a white Christmas in 2026, according to White Christmas UK (as of 5 November 2026). https://whitechristmas.uk/uk/south-east/portslade-by-sea
HTML with link
<p>Portslade-by-Sea has a 2% chance of a white Christmas in 2026, according to <a href="https://whitechristmas.uk/uk/south-east/portslade-by-sea">White Christmas UK</a> (as of 5 November 2026).</p>
Nearby places
Frequently asked questions
- Will it snow in Portslade-by-Sea this Christmas?
- The current estimate is a 2% chance of a white Christmas in Portslade-by-Sea in 2026. This far out the number comes from our climate model; it sharpens on its own as the live forecast comes into range, within about a month of Christmas.
- How often does Portslade-by-Sea have a white Christmas?
- The calibrated long-range estimate for Portslade-by-Sea is 2%, based on the 1991–2024 HadUK-Grid record and rolling historical validation.
- Will it snow in Portslade-by-Sea this winter?
- Quite possibly, though not every winter. At Heathrow, the nearest long-running weather station (85 km away), snow has settled in 47% of winters, on about 1.9 days a winter, usually first around 13 January. Snow lies there in December in 18% of years.
- When did Portslade-by-Sea last have a white Christmas?
- The most recent modelled Christmas snow signal for Portslade-by-Sea was 1996, in our 1991–2024 reconstruction. This covers falling snow on 24 or 25 December; it is not a verified observation of snowfall on Christmas Day.