Launching Next has discovered 2 met office startups.
Weather and climate change - Met Office
Met Office weather and climate change forecasts for the UK and worldwide. World leading weather services for the public, business, and government.
Weather Online UK - current weather and weather forecast worldwide
Weather for UK, Ireland and the world. Sailing, Marine Weather, Weather maps, radar, satellite, climate, historic weather data, information about meteorology, reports, weather warning.