today is hot.

about weather.

English > Japanese

it's hot today. > きょうはあついです。
it's cold today. > きょうはさむいです。

it will be hot tomorrow. > あしたはあついでしょう。
it will be cold tomorrow. > あしたはさむいでしょう。

it was hot yesterday. > きのうはあつかったです。
it was cold yersterday. > きのうはさむかったです。

in japanese,we use 'day' as a Subject.so we sometimes mistake like this.^^;;;;

today is hot. yesterday was cold.

if you find Japanese mistake it,please forgive and point it out kindly.

hahaha.^^