по- началу погода была отличной но

по- началу погода была отличной но потом солнце скрылось и небо было серым

Результаты (английский) 1:

at first the weather was great but then the Sun disappeared and the sky was grey

Результаты (английский) 2:

Therefore beginning the weather was perfect but then the sun disappeared and the sky was gray

Результаты (английский) 3:

at first, the weather was fine, but then the sun disappeared, and the sky was grey