if the weather is good tomorrow
Se estiver bom amanhã, faremos um piquenique.
If the weather is good tomorrow, we'll have a picnic.
Vou dar uma volta se estiver bom amanhã.
I'll go for a walk if the weather is nice tomorrow.
Se estiver bom amanhã, vamos para um piquenique.
If the weather is nice tomorrow, we'll go on a picnic.
Vamos subir a montanha se estiver bom amanhã.
Let’s climb the mountain if the weather is good tomorrow.