Pencils work great on "Rite in the Rain". For those times when you need a pen, use the All-Weather Pen. The ideal ball point pen for use outdoors, with its pressurized ink cartridge and rubber-cement like ink. Writes underwater and upside down, and it will write in all weather conditions, even temperatures as low as - 50 F, fine point & has black ink.  

All Weather Pen

Rite-in-the-Rain (tm) Writing Materials