This evening, the weather in San Juan will be partly cloudy with some rain, with temperatures around 28°C (82°F), staying around 27°C (81°F) overnight.

Tomorrow's weather - Wednesday 9 Sep

The forecast for San Juan on Wednesday is light rain showers during the afternoon and night. The maximum predicted temperature is a very warm 31°C (88°F), while the minimum temperature is a warm 26°C (79°F).

10-Day Weather Forecast

In the coming 10 days, the weather in San Juan will reach 32°C (90°F) on Friday before declining again. Daytime highs during this period will average around 31°C (88°F), with nighttime lows around 26°C (79°F). These values are typical for September. The following 10 days will bring some sunshine. Expect less rainfall than usual (compared to average September levels), the days are characterized by some rainy days. Precipitation is likely on approximately 4 days (Wed, Thu, Sun, Tue).

Weather Forecast FAQ for San Juan

When will be the warmest day next week?

The warmest day is expected to be Friday with a high of 32°C (90°F).

When will be the coldest day?

The coldest day is forecasted for Thursday with a low of 26°C (79°F).

Will it rain next week in San Juan?

Yes, rain is expected on 4 days , specifically on Wed, Thu, Sun, Tue.

How much rainfall is expected next week?

A total of 15 mm (0.6 in) of rain is forecasted for the 10-day period.

What will be the temperature range next week?

Temperatures will range from 26°C (79°F) to 32°C (90°F).

More about San Juan

Explore the full San Juan climate overview with monthly averages, or check rainfall data and temperature by month.

San Juan weather by month

Browse monthly averages for San Juan: climate by month with temperature, rainfall and sunshine.

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