What temperature will it be next week?
The answer would depend on your current location as well as the time when you asked this question. 

I am unable to answer your query since I do not have access to live weather information.
Got it. What is the typical temperature on the second week of March in London, England? I mean, historically
The typical temperature on the second week of March in London, England, historically varies between 7°C (44.6°F) and 12°C (53.6°F). However, it is important to note that weather patterns can vary from year to year, and even day to day, so it is always a good idea to check the weather forecast closer to the date in question.