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

28 °C

Mainly clear

Feels like 32 °C

4.2 km/hforce 1

Next 12 h

  • 2027°
  • 2126°
  • 2226°
  • 2326°
  • 0026°
  • 0125°
  • 0225°
  • 0325°
  • 0425°
  • 0524°
  • 05:48Sunrise
  • 0624°
  • 0725°
  • 0828°

↓ 24°06:00↑ 28°08:00

Humidity
80 %
Dew point
24 °C
Gusts
8.6 km/h
Clouds
21 %
Pressure
1,012 hPa ↑

Grid point 5.8 km away · 13.0 km grid · elevation 106 m

Air quality

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

Reading from 20:00
38
Fair

Index set by PM2.5

PM2.5
19.2µg/m³▲
PM10
20.6µg/m³
Ozone
7.6µg/m³
Nitrogen dioxide
23.5µg/m³
Sulphur dioxide
11.1µg/m³
Carbon monoxide
314.0µg/m³
Dust (AOD)
0.00

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.

24° → 34°

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

  • Today

    Partly cloudy64 %

    34°

    26°

  • Wed

    Thunderstorm86 %

    32°

    24°

  • Thu

    Thunderstorm86 %

    33°

    25°

  • Fri

    Overcast84 %

    31°

    24°

  • Sat

    Overcast36 %

    31°

    24°

  • Sun

    Partly cloudy36 %

    31°

    25°

  • Mon

    Partly cloudy0 mm

    33°

    24°

  • Tue

    Mainly clear

    34°

    25°

  • Wed

    Thunderstorm4 mm

    31°

    25°

  • Thu

    Thunderstorm2 mm

    32°

    26°

Sun and UV

Sunrise, sunset, day length and ultraviolet intensity.

Max UV9very high
Sunrise
05:48
Daylight
11 h 45
Sunset
17:33

Radiation · 18.5 MJ/m²

Sea state

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

0.1 mperiod 1 s 134°

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 30.2 °C — +2.8 °C against the normal for 20 October, measured from 1940 to 2026. (1,290 obs.)

San Mateo climate — normals and trends →