Weekend in Madrid

Hello!

This weekend had been incredible!
Yesterday, I arranged to meet me with a friend in Madrid. I live in a village near to the capital city and often I go to Madrid, even my university is in Madrid but yesterday, we went around town like if [or "as if/though"] we were tourists.

We went to "Museum Thyssen" and we saw an exposition of on Cezanne [or "a Cezanne exposition/exhibition"]. It was beautiful! Later, we went to "Retiro" and it was full with of [or "filled with"] people! (is full with people correct for lleno de gente? Sí, a excepción de la preposition, de=of) Do you know why? Because the temperature was 21º degrees and sunny! It was hot! We lie lay down in on the grass and we sunbathed.

Later, we went to "Gran Via" and "Plaza de la Opera" where a men with his telescope permitted [=allowed] us to look at the Moon and Jupiter. It was amazing! [It seemed so close that] I thought that I could to touch it.

By lastFinally [=Lastly], my friend accompanied me to my car and we left each one to go to our houses [=home]. When, I arrived home and I went to my bed, it was three in the morning.

By luckyFortunately, the spring is near and yesterday, all the people from Madrid (the Madrileños) took to the streets tired of the cold (weather) and all the rains.

Thank you and sorry for the faults [=errors].

Very good, mostly just preposition and conjunction adverb errors!

Weekend in Madrid

Hello!

This weekend has been incredible!
Yesterday, I arranged to meet me with a friend in Madrid. I live in a village near to the capital city and often I often go to Madrid, even as my university is there in Madrid, but yesterday we went as like if we were tourists.
We went to the "Museum Thyssen" Thyssen Museum where and we saw an exhibitionexposition byof Cezanne. It was beautiful! Later, we went to Retiro Park and it was full ofwith people! (is full with people correct for lleno de(='of' in this phrase) gente?) Do you know why? Because the temperature was 21º degrees and it was sunny and! It was hot! We laid lie down in the grass and we sunbathed ( or sunbaked).
Later, we went to the "Gran Via" and the "Plaza de la Opera" where a man men with his telescope permitted/allowed us to look at the Moon and Jupiter though his telescope. It was amazing! I thought (or 'It seemed') that I could to touch it.
By Lastly/Finally, my friend accompanied me to my car and we both went home.left each one to our house.
When I arrived home  and I went to my bed it was three in the morning so I went straight to bed..

LuckilyBy lucky the spring is nearly here and yesterday all many people from Madrid (we call them Madrileños) took to the streets, after being tired from/(or sick of) the cold and rain.s.

Thank you and apologies/sorry for the mistakesfaults.

Very good Sara - you should never apologise for any mistakes you might make. Everyone in this forum is trying to improve their skills in a language that isn't their mother tongue - and I am one of them with my Spanish. You have a very good understanding of English that will improve rapidly if you write every day (time permitting of course).