The important thing was simply that the weather had changed.

Has the cultural weather changed so much in only 10 years?

The weather changed just before the end of the middle watch.

Only weather should change the conditions of an Open course.

Near the end of the period, the weather changed suddenly.

Within a matter of hours it seemed the weather had changed.

She didn't like the fact that the weather had changed.

But the weather can really change once you get up the mountain.

In the last couple of hours the weather had changed, and not for the better.

But the weather can change from one place on the mountain to the next.