The phrase ‘Heatwave is coming’ is clearly one of the most heard during the summer. And it’s not by chance, this year is unusually hotter and high temperatures seem to be the norm. But can we know exactly when a heatwave will hit where we live? Yes, we just need our iPhone.
Why is it so hot?
While there are many ways to check this information, one of the most convenient is to use the Weather app that we all have installed on our iPhone. It provides a weather forecast for up to ten days, and at a glance, it shows us both the minimum and maximum temperatures.

So, to know if a heatwave is approaching, we simply pay attention to the forecasted maximum temperatures for the upcoming days. Several consecutive days with high temperatures are something to take into account. But there is more to it than that.
A heatwave is not just about high temperatures; it’s about sustained high temperatures. In this context, it’s important to know the duration of the situation from the days that show significant maximum temperatures. It’s different to have a peak of 32 degrees for an hour and a half followed by rain in the afternoon, for example, than to have sustained 30 degrees for nearly eight hours during the day.

To access this information, simply tap on the desired day. You will see a graph where you can also slide your finger along the different hours to get a clear forecast of the temperatures at each moment of the day. This way, you will know not only the maximum temperature, which is a less relevant data point on its own, but also the sustained heat over time.

To wrap up, it’s interesting to take a look at the weather maps. You can find them in the same app, and they will provide an overview of the weather in your region or even at a national level. This can be a more reliable way to anticipate the weather conditions compared to more generic predictions.
Beyond the information provided in the weather section of the news, having an hourly forecast of the local weather in our area is of great value. In the event of an upcoming heatwave like the one in Barcelona, we can be aware in advance and take appropriate actions.
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