Weather · October
San Mateo weather in October
Average highs of 72°F, lows of 53°F and 0.80 in of rain, from 30 years of weather records.
October is San Mateo’s 4th warmest month, with average highs of 72°F and lows of 53°F. That is 2° cooler than September, and 5° above the yearly average high.
- Average high
- 72°F
- Average low
- 53°F
- Precipitation
- 0.80 in
- Wet days
- 3
- Sunrise · sunset
- 7:16 AM · 6:32 PM
What to wear in October
- Mild days: dress in layers, with a light jacket or sweater for mornings and evenings.
What October weather is good for
What’s on in San Mateo in October
Guides for this month: Halloween in San Mateo.
See all upcoming events and school days off.
October compared with the months around it
Planning a trip? See the best time to visit San Mateo and today’s forecast.
Questions
How hot does it get in San Mateo in October?
Average highs are 72°F and average lows 53°F, for a daily mean of 63°F. Individual days run hotter or colder than these 30-year averages.
Does it rain in San Mateo in October?
October averages 0.80 in of precipitation over about 3 days with at least 0.01 in. It is the 7th wettest month of the year.
What time is sunset in San Mateo in October?
Around mid-October the sun rises about 7:16 AM and sets about 6:32 PM, for roughly 11.3 hours of daylight.
Is October a good time to visit San Mateo?
The mildest months for visiting are June, July, August. October is mild, with Halloween events.
NOAA U.S. Climate Normals 1991–2020, San Francisco Intl Ap station (5.3 mi from downtown). Sunrise and sunset are calculated for October 15 at the city’s coordinates.