Weather forecast for tomorrowSan Mateo, CA
Weather forecast for tomorrow
Monday Oct 19, 2026
- 64°F
- 52°F
Mostly Cloudy
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 14mphWNW 290°
- Humidity: 63%
- UV index: 5
- Sunrise: 7:21 am PDT
- Sunset: 6:26 pm PDT
- details ▼
On Monday, October 19, expect a cloud-dominated atmosphere throughout.
The maximum temperature will be an enjoyable 64.4°F, while the minimum temperature will be a crisp 51.8°F.
Expect temperatures to reach October's average high of 67.8°F.
Sunrise will be at 7:21 am and sunset at 6:26 pm; tomorrow's daylight will last for 11h and 5min.
The maximum temperature will be an enjoyable 64.4°F, while the minimum temperature will be a crisp 51.8°F.
Expect temperatures to reach October's average high of 67.8°F.
Sunrise will be at 7:21 am and sunset at 6:26 pm; tomorrow's daylight will last for 11h and 5min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 64°C.
Coldest period: 3 am - 6 am 55°C.
Coldest period: 3 am - 6 am 55°C.
Chance of precipitation
Highest chance: 9 pm 9%.
Hourly weather forecast
- 12 am
- 57°F
- Feels like:55°F
Partly Cloudy
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 9mphWNW 285°
- Humidity: 80%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 55°F
- Feels like:55°F
Partly Cloudy
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 7mphWNW 283°
- Humidity: 81%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 55°F
- Feels like:54°F
Partly Cloudy
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 6mphWNW 283°
- Humidity: 80%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 55°F
- Feels like:54°F
Partly Cloudy
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 7mphW 280°
- Humidity: 79%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:21 am
- 8 am
- 55°F
- Feels like:54°F
Partly Cloudy
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 6mphWNW 281°
- Humidity: 76%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 59°F
- Feels like:59°F
Partly Cloudy
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 9mphWNW 287°
- Humidity: 67%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 12 pm
- 61°F
- Feels like:61°F
Partly Cloudy
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 10mphWNW 292°
- Humidity: 61%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 2 pm
- 63°F
- Feels like:63°F
Partly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 12mphWNW 295°
- Humidity: 55%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 4 pm
- 63°F
- Feels like:63°F
Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 14mphWNW 294°
- Humidity: 54%
- Pressure: 29.91"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 63°F
- Feels like:61°F
Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 12mphWNW 294°
- Humidity: 58%
- Pressure: 29.88"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:26 pm
- 8 pm
- 59°F
- Feels like:57°F
Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 9mphWNW 294°
- Humidity: 66%
- Pressure: 29.88"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 57°F
- Feels like:57°F
Cloudy
- Precip. probability: 16%
- Precipitation: 0"
- Wind: 6mphWNW 292°
- Humidity: 74%
- Pressure: 29.88"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, on Monday, a combination of cloud-filled and sun-filled weather is predicted.
The temperature will be between a minimum of 55.4°F and a maximum of 64.4°F. The warmest part of the day is expected around 3 pm.
The maximum temperature will be similar to October's average highest temperature of 67.8°F. The minimum temperature will be also consistent with October's average low of 55.2°F.
The temperature will be between a minimum of 55.4°F and a maximum of 64.4°F. The warmest part of the day is expected around 3 pm.
The maximum temperature will be similar to October's average highest temperature of 67.8°F. The minimum temperature will be also consistent with October's average low of 55.2°F.
Updated: Oct 18, 2026 @ 10:38:06 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
Tomorrow, patchy light may appear briefly, but the overall trend is cloudy.
Tomorrow, the highest temperature in San Mateo will be 64.4°F, while the lowest temperature will be 51.8°F.
The maximum temperature will be in line with the average highest temperature of 67.8°F in October. The lowest temperature will be also in line with the average low of 55.2°F.
The maximum temperature will be in line with the average highest temperature of 67.8°F in October. The lowest temperature will be also in line with the average low of 55.2°F.
On Monday, in San Mateo, sunrise will be at 7:21 am and sunset at 6:26 pm (PDT).
In San Mateo, the length of the day tomorrow will be 11h and 5min.
