Always wear your sunscreen!!!
I always have Fairy Skin's Premium Tinted Sunscreen with me. Why? Because I can go outside without wearing makeup, but I must have sunscreen. It has a dewy matte finish and provides sheer coverage. It's lightweight and airy, so I can use it every day without whitecast. I use it as my makeup prep because I rarely apply foundation. I also adore how reasonably priced it is. With SPF 50 PA++++, it not only protects my skin but also provides it the necessary daily glow.
Never ever miss your sunscreen, even in this gloomy weather!