The fog is likely to persist throughout morning's rush hour but may begin to disperse across southern England later, as cloud starts to increase from the south.
As the cloud spreads it will bring outbreaks of rain this afternoon, and it will be cold everywhere.
Maximum Temperature 8C.
Tonight will be cloudy with mist and hill fog becoming widespread as the outbreaks of rain continue. Some heavier bursts of rain are possible.
Minimum Temperature 5C.