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 19:00 · NOAA HRRR model

24 °C

Clear sky

9.6 km/hforce 2

Next 12 h

  • 1925°
  • 19:43Sunset
  • 2023°
  • 2122°
  • 2221°
  • 2320°
  • 0020°
  • 0119°
  • 0219°
  • 0319°
  • 0418°
  • 0519°15 %
  • 0618°15 %
  • 06:07Sunrise
  • 0719°15 %

25°19:00 18°04:00

Humidity
68 %
Dew point
18 °C
Gusts
12.3 km/h
Clouds
7 %
Pressure
1,014 hPa ↑

Grid point 0.5 km away · 3.0 km grid · elevation 211 m

Air quality

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

Reading from 17:00
35
Fair

Index set by Ozone

Ozone
87.8µg/m³
PM2.5
10.4µg/m³
PM10
14.6µg/m³
Nitrogen dioxide
1.6µg/m³
Sulphur dioxide
0.9µg/m³
Carbon monoxide
104.0µg/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.

18° → 32°

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

  • Today

    Clear sky

    30°

    20°

  • Sat

    Mainly clear

    31°

    18°

  • Sun

    Partly cloudy

    32°

    19°

  • Mon

    Mainly clear

    31°

    20°

  • Tue

    Overcast

    29°

    20°

  • Wed

    Mainly clear

    28°

    20°

  • Thu

    Mainly clear

    27°

    20°

  • Fri

    Partly cloudy

    26°

    19°

  • Sat

    Clear sky

    28°

    19°

  • Sun

    Clear sky

    28°

    18°

Sun and UV

Sunrise, sunset, day length and ultraviolet intensity.

Max UV11very high
Sunrise
06:07
Daylight
13 h 36
Sunset
19:43

Radiation · 22.0 MJ/m²

Sea state

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

0.6 mperiod 17 s 230°

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

Data: ECMWF

Today in San Marcos the mean temperature will be 26.7 °C — +4.2 °C against the normal for 7 August, measured from 1940 to 2026. (1,290 obs.)

San Marcos climate — normals and trends