San Mateo weather — 10-day forecast

Temperature, rain, wind and feels-like in San Mateo, hour by hour and over 10 days, with the seasonal normal for context.

Now

Reading from 20:00 · DWD ICON global model

24 °C

Mainly clear

Feels like 26 °C

8.4 km/hforce 1

Next 12 h

  • 2025°
  • 2124°
  • 2223°
  • 2323°
  • 0022°
  • 0121°
  • 0221°
  • 0321°
  • 0421°
  • 0520°
  • 0620°
  • 06:20Sunrise
  • 0721°
  • 0824°

25°20:00 20°06:00

Humidity
70 %
Dew point
18 °C
Gusts
18.9 km/h
Clouds
18 %
Pressure
1,014 hPa ↑

Grid point 6.7 km away · 13.0 km grid · elevation 779 m

Air quality

The European air-quality index for the city, and the pollutants that set it.

Reading from 20:00
27
Fair

Index set by PM2.5

PM2.5
13.4µg/m³
PM10
20.0µg/m³
Ozone
24.0µg/m³
Nitrogen dioxide
18.0µg/m³
Sulphur dioxide
1.7µg/m³
Carbon monoxide
402.0µg/m³
Dust (AOD)
0.03

Generated using Copernicus Atmosphere Monitoring Service information

Hour by hour

Step-by-step detail: temperature, wind, cloud cover and ultraviolet.

Estimated from a deterministic model, not an ensemble probability.
°C

10 days

Each day's extremes and the chance of rain, out to the end of the run.

20° → 32°

Rain probability (> 1 mm): 50 ECMWF ensemble members.

  • Today

    Clear sky10 %

    32°

    23°

  • Sat

    Mainly clear96 %

    31°

    20°

  • Sun

    Thunderstorm98 %

    30°

    22°

  • Mon

    Light drizzle98 %

    31°

    21°

  • Tue

    Partly cloudy70 %

    31°

    22°

  • Wed

    Light drizzle70 %

    30°

    21°

  • Thu

    Light drizzle1 mm

    28°

    21°

  • Fri

    Partly cloudy

    32°

    21°

  • Sat

    Thunderstorm2 mm

    30°

    22°

  • Sun

    Thunderstorm7 mm

    27°

    22°

Sun and UV

Sunrise, sunset, day length and ultraviolet intensity.

Max UV12extreme
Sunrise
06:20
Daylight
12 h 31
Sunset
18:51

Radiation · 26.0 MJ/m²

Sea state

Sea state at the marine grid point closest to the city.

0.9 mperiod 6 s 40°

Significant height: the mean of the highest third of waves. Individual waves reach about twice it.

Data: ECMWF

Today in San Mateo the mean temperature will be 27.8 °C — +4.8 °C against the normal for 7 August, measured from 1940 to 2026. (1,290 obs.)

San Mateo climate — normals and trends