Headline, Peak District
Light winds; extensive low cloud will gradually break from north.

How Windy?
Direction likely to vary 10mph or less.

Effect Of Wind?
Negligible

How Wet?
Rain not expected

Cloud on the hills?
Mostly or all clearing

Extensive low cloud, base in places lower than 300m, likely after dawn. This will gradually lift and clear most areas through the morning. But may linger in the Peak District into, or possibly throughout the afternoon, although base will very likely lift to 450m or above.

Chance of cloud free Summits?
20%, rising to 30% Peak District in afternoon

Sunshine and air clarity?
The sun will come through intermittently in Yorkshire, and perhaps later in the Peak District. Generally hazy, and visibility widely poor in low cloud.

Temperature (at 600m)
3 rising to 5 or 6C.

And in the valleys
Will rise to 8 or 9C in Peak District.

I'll be wearing a buff, possibly two!