The difference is the weather: the forecast calls for a partly sunny day with temperatures in the 50's.

It was partly sunny to the south, but we stayed under clouds.

Today is expected to be partly sunny and very cold, with a high temperature between 16 and 22 degrees.

And the forecast for the rest of the year looks - at best - partly sunny.

At the canyon, about half the days in cold months are sunny or partly sunny.

What do you suggest for a partly sunny area?

In late spring, when all danger of frost has passed, move the pot outdoors, if possible, to a partly sunny spot.

The partly sunny weather yesterday is expected to give way to cloudy skies with periods of rain today and tomorrow.

March 9, 1991 was a pleasant, partly sunny, slightly windy Saturday in late winter.

Kind of like saying tomorrow will be partly sunny with a chance of rain.