It has been very cold lately but it's just beginning to get warmer.

近来天气一直很冷，但现在开始暖和了。

youdao

As far as I know he was in good spirits and they were supporting each other, but it has been snowing and is very cold.

据我所知，他的精神状况良好而且他们都在互相扶持，但是那里已经开始下雪了，而且非常冷。

youdao

The initial phase has been very steep, taking health experts off guard. That might be in part because of the cold weather.

流感的初期阶段很突然，这让健康专家都猝不及防，可能部分原因是由于天气寒冷造成的。

youdao

And the response that's come from the U.S. thus far has been very cold.

NPR: Iran Plays to Domestic Audience in Nuclear Talks

Over at the Bulletin of the Atomic Scientists, Pavel Podvig has a very interesting post about the mythology of missile defense and how it has wrongly been credited with ending the Cold War.

FORBES: The Soviet Way Of War And The Failure Of Ballistic Missile Defense