This month of March it's being some inusual.

The weather is really unusual this March.

Since March 5 until today, March 31, Has been rainig a lot of days.

It has been raining most days since March 5th until today, the 31st.

We have had sunny days only two or three days, the rest was cloudy.

We have had only two or three sunny days, the rest was cloudy.

I live in Barcelone, and I don't remember so many continued days with rain.

I live in Barcelone, and I don't remember it raining continuously like this before.

Yesterday we had a heavy storm at night.

Yesterday night we had a heavy storm.

Now, it is begin to rain and, the forecast for tomorrow is of rain too.

Now it is beginning to rain again and the forecast for tomorrow is calling for rainy weather too.

Now = present continuous