Weather forecast for todaySan Mateo, CA
Weather forecast for today
Current condition 4:43 am PDT
- 57°F
- Feels like:57°F
Clear
- Precipitation: 0"
- Wind: 2mphSW 220°
- Humidity: 59%
- Dewpoint: 43°F
- Pressure: 30.05"Hg
- Visibility: 9mi
- UV index: 0
- details ▼
At the moment, in San Mateo, no clouds in sight, just a completely clear atmosphere.
The temperature is a mild 57.2°F. The current temperature is almost at the minimum-expected 55.4°F for today.
The temperature is a mild 57.2°F. The current temperature is almost at the minimum-expected 55.4°F for today.
Saturday Oct 17, 2026
- 82°F
- 55°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 11mphNNW 336°
- Humidity: 46%
- UV index: 5
- Sunrise: 7:19 am PDT
- Sunset: 6:29 pm PDT
- details ▼
Today, in San Mateo, a sun-drenched sky is anticipated.
Temperature changes will be considerable, from a high of a temperate 82.4°F to a low of a moderate 55.4°F.
The maximum heat index, which calculates the temperature value influenced by the moisture in the air, is calculated to be 82.4°F.
The temperature of 82.4°F aligns more with what is typical in September than what is normal in October.
Sunrise will be at 7:19 am and sunset at 6:29 pm; the daylight will last for 11h and 10min.
Temperature changes will be considerable, from a high of a temperate 82.4°F to a low of a moderate 55.4°F.
The maximum heat index, which calculates the temperature value influenced by the moisture in the air, is calculated to be 82.4°F.
The temperature of 82.4°F aligns more with what is typical in September than what is normal in October.
Sunrise will be at 7:19 am and sunset at 6:29 pm; the daylight will last for 11h and 10min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 81°C.
Coldest period: 5 am - 7 am 57°C.
Coldest period: 5 am - 7 am 57°C.
Chance of precipitation
Highest chance: 11 pm 5%.
Hourly weather forecast
- 6 am
- 57°F
- Feels like:57°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 2mphNW 326°
- Humidity: 62%
- Pressure: 30.03"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:19 am
- 8 am
- 59°F
- Feels like:59°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 1mphNNW 333°
- Humidity: 65%
- Pressure: 30.06"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 70°F
- Feels like:70°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 2mphNNE 23°
- Humidity: 48%
- Pressure: 30.06"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 12 pm
- 75°F
- Feels like:75°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphNNE 17°
- Humidity: 39%
- Pressure: 30.03"Hg
- Visibility: 10mi
- UV index: 5
- details ▼
- 2 pm
- 81°F
- Feels like:81°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphNNW 335°
- Humidity: 33%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 4 pm
- 81°F
- Feels like:81°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 9mphNW 306°
- Humidity: 31%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 6 pm
- 75°F
- Feels like:75°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 11mphWNW 290°
- Humidity: 38%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:29 pm
- 8 pm
- 68°F
- Feels like:68°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 7mphWNW 285°
- Humidity: 56%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 63°F
- Feels like:63°F
Clear
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 5mphW 275°
- Humidity: 68%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Today, in San Mateo, mainly sunny weather and a cloudless sky are anticipated.
The temperature will be between the lowest temperature of 57.2°F and the highest temperature of 80.6°F. The warmest part of the day will be from 2 pm to 4 pm.
The maximum temperature will align more closely with September's average high of 71.2°F than with October's 67.8°F. The night temperature will be similar to the standard October low of 55.2°F.
The temperature will be between the lowest temperature of 57.2°F and the highest temperature of 80.6°F. The warmest part of the day will be from 2 pm to 4 pm.
The maximum temperature will align more closely with September's average high of 71.2°F than with October's 67.8°F. The night temperature will be similar to the standard October low of 55.2°F.
Updated: Oct 17, 2026 @ 11:43:09 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
Currently (4:43 am PDT) it is 57.2°F in San Mateo.
On Saturday, sunshine will likely continue with scattered clouds at most.
Today, the maximum temperature will be 82.4°F, while the minimum temperature will be 55.4°F. The maximum heat index, which calculates the temperature value influenced by the moisture in the air, is evaluated at 82.4°F.
The maximum temperature today will be significantly higher than the average highest temperature of 67.8°F in October. The lowest temperature will be in line with the average low of 55.2°F.
The maximum temperature today will be significantly higher than the average highest temperature of 67.8°F in October. The lowest temperature will be in line with the average low of 55.2°F.
On Saturday, in San Mateo, sunrise will be at 7:19 am and sunset at 6:29 pm (PDT).
In San Mateo, today, there will be 11h and 10min of daylight.
San Mateo, California, USA
- en: San Mateo, California, USA
- es: San Mateo, California, EE.UU.
- hr: San Mateo, Kalifornija, SAD
- mk: San Mateo, Kalifornija, SAD
- sr: San Mateo, Kalifornija, SAD
- zh: 圣马特奥, 加利福尼亚州, 美国
- Latitude: 37.562992°
- Longitude: -122.325525°
- Elevation: 46 ft
- Current time: 5:45am PDT
- Sunrise: 7:19 am PDT
- Sunset: 6:29 pm PDT
- Timezone: America/Los_Angeles
Nearby San Mateo, California, USA
- Burlingame (2 mi)
- Foster City (3 mi)
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- Highlands (3 mi)
- Belmont (4 mi)
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- Redwood Shores (5 mi)
- San Carlos (5 mi)
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- Emerald Hills (7 mi)
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- Montara (11 mi)
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- West Menlo Park (11 mi)
California, USA - most visited locations
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