Whenever you are preparing for a ride you should check the weather for your entire route. It could be sunny and warm inland but foggy and cold on the coast. By checking the weather you can plan ahead and wear or bring along the clothes you will need to stay warm. Below is a list of items that fit easily in your jersey pocket or a fanny pack and will help you overcome almost any inclement weather.
Typical San Diego cycling clothes:
Bike shorts (no underwear)
Jersey & Gloves
Below 65 degrees add:
Base layer (short sleeve)
Knee warmers / Arm warmers
Cycling vest
Most cyclists agree the trick to staying warm is focusing on your core, fingers, toes and head. By keeping these areas warm & dry ~ you will most likely endure the distance home!!
Below 55 degrees add:
Long Sleeve base layer
Leg warmers /Arm warmers
Cycling jacket
Glove liners / Head band
Wool socks / Foot covers
Below 45 degrees add:
Thermal base layer
Long sleeve jersey/ Full length tights
Lined cycling jacket
Full finger gloves / Baklava
Wool socks / Shoe covers
Rain add:
Waterproof jacket (or trash bag)
Shower cap for over helmet
Full finger gloves
Water proof booties
Ziplock in saddle bag for electronics