This looks like a billy bargain to me... RC Weather Station Clock (cube) for just £9.50 @ Marks&Spencer.com
This is a 3 for 2 offer meaning you get 3 for just £18.96. Free delivery on all orders over £30 using code PCAHHZT
Description : Now you dont have to rely on the weatherman to plan your day. This handy bedside weather clock measures atmospheric pressure to give you a 12 hour weather forecast, incuding a chance-of-rain prediction. Measures atmospheric pressure as an aid to forecast weather.
Features : Indoor temperature | Clock with alarm and light | Calendar | Batteries included | Dimensions: 6.5 x 6.5 x 6.5 cm | 2 year guarantee