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 14:00 · DWD ICON global model

32 °C

Partly cloudy

Feels like 37 °C

3.6 km/hforce 1

Next 12 h

  • 1432°
  • 1531°41 %
  • 1631°41 %
  • 1730°82 %
  • 17:58Sunset
  • 1829°
  • 1928°
  • 2027°44 %
  • 2126°89 %
  • 2226°93 %
  • 2326°93 %
  • 0026°12 %
  • 0126°74 %
  • 0225°46 %

32°14:00 25°02:00

Humidity
62 %
Dew point
24 °C
Gusts
15.8 km/h
Clouds
83 %
Pressure
1,011 hPa ↓
UV
6 · high
Storm
possible

Grid point 4.5 km away · 13.0 km grid · elevation 87 m

Air quality

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

Reading from 13:00
19
Good

Index set by PM2.5

PM2.5
9.7µg/m³
PM10
10.2µg/m³
Ozone
22.6µg/m³
Nitrogen dioxide
0.2µg/m³
Sulphur dioxide
0.2µg/m³
Carbon monoxide
156.0µg/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° → 33°

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

  • Today

    Thunderstorm70 %

    32°

    25°

  • Sat

    Thunderstorm62 %

    30°

    25°

  • Sun

    Thunderstorm94 %

    31°

    25°

  • Mon

    Thunderstorm96 %

    31°

    24°

  • Tue

    Thunderstorm96 %

    30°

    25°

  • Wed

    Light drizzle0 mm

    32°

    24°

  • Thu

    Light drizzle1 mm

    32°

    25°

  • Fri

    Mainly clear

    33°

    25°

  • Sat

    Thunderstorm2 mm

    31°

    24°

  • Sun

    Thunderstorm2 mm

    31°

    25°

Sun and UV

Sunrise, sunset, day length and ultraviolet intensity.

Max UV9very high
Sunrise
06:00
Daylight
11 h 58
Sunset
17:58

Radiation · 18.9 MJ/m²

Today in San Juan the mean temperature will be 28.5 °C — +3.5 °C against the normal for 7 August, measured from 1940 to 2026. (1,290 obs.)

San Juan climate — normals and trends

Nearby cities

The climate around San Juan