Further Ahead: Ten Day Forecasts on BBC Weather

Friday 6 July 2012, 12:15

Jo Wickremasinghe Jo Wickremasinghe Head of Product

Tagged with:

Birmingham will be rainy and stormy for this five days, but the forecast is precise enough for you to avoid the showers.

BBC Weather forecast page for Birmingham showing the 'Further ahead' button

Just over two weeks ago I posted a blog about the major upgrade we made to the BBC Weather website, introducing new hourly forecasts for UK locations and three hourly forecasts for International locations.

Yesterday we introduced extended forecasts, providing ten day forecasts for all our locations.

When you select a forecast location on BBC Weather you will see the forecast for today and the next four days in the tabs across the top of the page. Above the 'Find a Forecast' box you will now see a 'Further ahead' button which will take you to the following 5 days forecasts (i.e. into next week).

You can go back to the first five days by clicking the same button which now says 'First five days'.

Next week's forecast is sun and rain, and it could turn out mild or warm.

After selecting the 'Further Ahead' button you see the five day forecast into the following week. The 'First five days' button will take you back to the previous week

You will also notice that the forecast data granularity decreases over time. In the UK we have hourly data for the first two days, which then decreases to three hourly forecasts for the next three days, and then day/night forecasts for the final five days of the 10 day forecast.

The day/night forecasts are shown as ranges - for the day's high temperatures and night's low temperatures.

You may also notice that the further ahead the forecast, for example days nine and ten, the ranges can be quite wide and day/night temperatures may even overlap as shown in the example above.

Whilst this may seem quite strange it is just a reflection of the confidence levels of the forecast that far into the future.

The nearer the forecast we can provide more granular and confident predictions, but further ahead the uncertainly increases. We hope that despite the uncertainty of the further ahead forecasts that you still find them valuable and helpful. I look forward to your feedback and comments.

Jo Wickremasinghe is the Head of Product for BBC Weather in BBC Future Media

Tagged with:


Jump to comments pagination
  • rate this

    Comment number 1.

    Great! I was hoping this feature would be launched soon. But after checking the weather for my holiday in Turkey, now I wish I never looked. The temperature could be up to 50°C on the 15th! At least chances are that it won't reach that high.

    By the way, since there's a lot of space where you show the forecast for both day and night, you could show the lowest temperature during the day as well. That data might be more useful, since the forecast is more vague.

  • rate this

    Comment number 2.

    Will the extended range forecasts be coming to the mobile versions (http://news.bbc.co.uk/weather/mobile/forecast/8 etc)?

  • rate this

    Comment number 3.

    Looks great, five days has always seemed a bit mean.

    But what's with the / in the temperature ranges? Surely a hyphen would be a better choice. It's almost like saying 12 or 18 degrees, but not somewhere in between.

    But I'm nitpicking, keep up the good work.

  • rate this

    Comment number 4.

    I like the new online weather searches, the timed display and the new 10 day feature are nice improvements.
    But what has happened to the digital (TV) text weather service? at a time of improvement to the delivery of weather information by the BBC in some areas why has this service regressed. It was possible to view a video forecast at any point during the day via TV but this service seems to have gone, which is a great loss and seems giant leap backwards in service delivery. Disappointed weather watcher.

  • rate this

    Comment number 5.

    is this weather going get better


Comments 5 of 12


This entry is now closed for comments

Share this page

More Posts

Connected Studio 4: Weather and Travel Build Studio

Thursday 5 July 2012, 18:00

What's on BBC Red Button 7th - 14th July

Saturday 7 July 2012, 06:00

About this Blog

Staff from the BBC's online and technology teams talk about BBC Online, BBC iPlayer, BBC Red Button and the BBC's digital and mobile services. The blog is reactively moderated. Your host is Nick Reynolds.

Blog Updates

Stay updated with the latest posts from the blog.

Subscribe using:

What are feeds?

Links about BBC Online

BBC Internet blog Archive

owl-plain-112.jpg 2012 ι 2011 ι 2010 ι 2009 ι 2008 ι 2007

Tags for archived posts