San Marcos weather — 10-day forecast

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

Now

Reading from 17:00 · NOAA HRRR model

36 °C

Clear sky

9.1 km/hforce 1

Next 12 h

  • 1737°
  • 1834°
  • 1933°
  • 2033°
  • 20:20Sunset
  • 2130°
  • 2229°
  • 2328°
  • 0028°
  • 0127°
  • 0226°
  • 0326°
  • 0425°
  • 0525°

37°17:00 25°05:00

Humidity
33 %
Dew point
17 °C
Gusts
14.0 km/h
Clouds
4 %
Pressure
1,015 hPa ↓
UV
4 · moderate
Storm
possible

Grid point 0.9 km away · 3.0 km grid · elevation 199 m

Air quality

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

Reading from 19:00
24
Fair

Index set by Ozone

Ozone
60.0µg/m³
PM2.5
7.2µg/m³
PM10
10.4µg/m³
Nitrogen dioxide
1.1µg/m³
Sulphur dioxide
0.4µg/m³
Carbon monoxide
106.0µg/m³
Dust (AOD)
0.01

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.

23° → 39°

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

  • Today

    Mainly clear16 %

    37°

    28°

  • Sat

    Mainly clear10 %

    36°

    24°

  • Sun

    Mainly clear16 %

    37°

    23°

  • Mon

    Mainly clear16 %

    37°

    25°

  • Tue

    Mainly clear

    39°

    26°

  • Wed

    Partly cloudy

    37°

    25°

  • Thu

    Partly cloudy

    37°

    25°

  • Fri

    Partly cloudy

    37°

    26°

  • Sat

    Thunderstorm1 mm

    34°

    25°

  • Sun

    Clear sky

    35°

    24°

Sun and UV

Sunrise, sunset, day length and ultraviolet intensity.

Max UV11extreme
Sunrise
06:55
Daylight
13 h 25
Sunset
20:20

Radiation · 17.9 MJ/m²

Today in San Marcos the mean temperature will be 33.1 °C — +4.3 °C against the normal for 7 August, measured from 1940 to 2026. (1,290 obs.)

San Marcos climate — normals and trends