The latest models are still unclear about the amount of cloud cover.  The short range RAP has a break in the clouds during the afternoon—

The GFS maintains significant clouds in the afternoon—

The GFS did best yesterday.  I guess we’ll see.

There’s not much model agreement with the cloud cover for Sunday. The high resolution models have clouds in the morning with skies clearing during the afternoon.
The GFS has more cloudiness in the afternoon.

There’s also a range of high temps, ranging from 45-50, which reflects the uncertainty in the cloud cover.