San Juan weather — 10-day forecast

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

Now

Reading from 17:00 · DWD ICON global model

19 °C

Clear sky

Feels like 16 °C

6.4 km/hforce 1

Next 12 h

  • 1719°
  • 1820°
  • 1917°
  • 19:03Sunset
  • 2013°
  • 2110°
  • 228°
  • 236°
  • 006°
  • 015°
  • 026°
  • 036°
  • 046°
  • 057°

20°18:00 5°01:00

Humidity
24 %
Dew point
-2 °C
Gusts
13.6 km/h
Clouds
0 %
Pressure
1,002 hPa ↓

Grid point 4.8 km away · 13.0 km grid · elevation 623 m

Air quality

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

Reading from 15:00
67
Poor

Index set by PM10

PM10
67.6µg/m³
PM2.5
9.4µg/m³
Ozone
49.6µg/m³
Nitrogen dioxide
1.3µg/m³
Sulphur dioxide
1.0µg/m³
Carbon monoxide
76.0µg/m³
Dust (AOD)
0.02

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.

1° → 20°

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

  • Today

    Clear sky

    20°

  • Sat

    Clear sky

    14°

  • Sun

    Mainly clear

    12°

  • Mon

    Partly cloudy

    12°

  • Tue

    Overcast

    13°

  • Wed

    Light drizzle1 mm

    12°

  • Thu

    Mainly clear

    13°

  • Fri

    Mainly clear

    16°

  • Sat

    Mainly clear

    16°

  • Sun

    Mainly clear

    18°

Sun and UV

Sunrise, sunset, day length and ultraviolet intensity.

Max UV5moderate
Sunrise
08:18
Daylight
10 h 45
Sunset
19:03

Radiation · 16.1 MJ/m²

Today in San Juan the mean temperature will be 13.5 °C — +2.8 °C against the normal for 7 August, measured from 1940 to 2026. (1,290 obs.)

San Juan climate — normals and trends