San Mateo, CA weather report for real life
Updated for September 11, 2026
The San Mateo, CA weather page from skytold turns the local forecast into practical daily advice. Use it for what to wear, rain timing, commute planning, outdoor plans, pets, kids, garden reminders, air quality, pollen and the week ahead.
Today's San Mateo forecast
What to wear in San Mateo today
San Mateo rain, wind and temperature timing
Commute and outdoor plans in San Mateo
Air quality, pollen and health notes
Pets, kids, garden and home reminders
This week's San Mateo, CA weather outlook
Why skytold is more than a weather forecast
Open the full San Mateo, CA forecast.