明天最低45度。

Míngtiān zuìdī sìshíwǔ dù.

The low will be 45 degrees tomorrow.

今天中午的气温有三十度。

Jīntiān zhōngwǔ de qìwēn yǒu sānshí dù.

The temperature at noon today is thirty degrees.

山上的风景非常好，游客也不多。温度是72度左右。

Shānshàng de fēngjǐng fēicháng hǎo, yóukè yě bù duō. Wēndù shì qīshí'èr dù zuǒyòu.

The view on top of the mountain is great and there weren't many tourists. The temperature was around 72 degrees.