San Mateo Weather Today

Temperature, Feels Like, Rain Chance & Hourly Forecast in San Mateo

San Mateo temperature today is 21°, feels like 21°, with a humidity level of 63% and wind at 29.63 km/h. Rain chance today is 0%. Use the hourly forecast and 5-day outlook below to plan your day.

Tomorrow in San Mateo: expect a high of 23° and a low of 12°, with broken clouds.

clear sky
21°
clear sky
H: 26° L: 17°
Feels like 21°
AQI: Fair (2/5)
Humidity
63%
Dew 14°
Wind speed
29.63 km/h
WNW
Pressure
1010 hPa
Visibility
10 km
High Winds
Wind speed is 29.63 km/h. Secure loose objects.
Weather Summary
Currently in San Mateo, expect varied conditions with warm temperatures around 21°. Winds are strong winds.
Precipitation Probability
0%
17
0%
20
0%
23
0%
02
0%
05
0%
08
0%
11
0%
14
0%
17
0%
20
0%
23
0%
02
0%
05
0%
08
0%
11
0%
14
Evolution
Daily Weather Forecast Evolution (°C)
Lowest temperature
Highest temperature
Temperature Forecast (48h)
26°
Mon
17:00
20°
 
16°
 
12°
 
12°
Tue
05:00
14°
 
20°
 
23°
 
21°
Tue
17:00
16°
 
13°
 
12°
 
13°
Wed
05:00
16°
 
19°
 
20°
 
Hot (≥30°)
Warm
Cool
Cold (<0°)
Weather Map
Sun & Moon
Sunrise
Sunrise
06:50
Sunset
Sunset
19:19
Moon Phase
Waxing Crescent (21%)
Timezone: GMT+05:30
Last updated: Sep 15, 2026 4:34 AM · Data refreshes every 5 min
Location Info
Latitude
Latitude
37.449940
Longitude
Longitude
-122.351082
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More about San Mateo
Content curated by the NearWeather editorial team · Updated periodically
San Mateo County is a county in the US state of California located on the San Francisco Peninsula. The county is known for its affluent communities, beautiful coastline, and mild weather year-round. The climate in San Mateo County is classified as Mediterranean, characterized by cool, wet winters and warm, dry summers. Average temperatures range from highs of 70-80 degrees Fahrenheit in the summer to lows of 40-50 degrees Fahrenheit in the winter. Precipitation is generally light, averaging around 20 inches per year, mostly in the form of rain.
Weather data sourced from OpenWeatherMap. Forecasts are estimates and may differ from actual conditions. For severe weather, consult your local meteorological authority.
FAQ's about San Mateo
What is the temperature in San Mateo right now?

The current temperature in San Mateo is 21°, and it feels like 21°. Today's high is 26° and the low is 17°.

Will it rain in San Mateo today?

No rain is expected in San Mateo today (0% chance). Conditions are currently clear sky.

What is the weather in San Mateo today?

San Mateo is experiencing clear sky with a temperature of 21°. Humidity is at 63% and wind speed is 29.63 km/h from the WNW.

What is the humidity in San Mateo today?

Humidity in San Mateo is 63% right now, with a dew point of 14°. Comfort levels are moderate.

What is the wind speed in San Mateo today?

Wind speed in San Mateo is 29.63 km/h, flowing at 300° WNW wind direction.

What is the 5-day forecast for San Mateo?

NearWeather provides a detailed 5-day forecast and 48-hour hourly forecast for San Mateo. Today's high is 26° and low is 17°, with a 0% chance of rain. Scroll up to view the full day-by-day and hourly breakdown.

What does it feel like in San Mateo today?

It feels like 21° in San Mateo today, with 1% cloud cover and 10 km visibility.

Weather in San Mateo