10-Day Weather Forecast for San Juan

Six-hourly outlook through Tuesday 15 September. Updated every three hours via MET Norway.

Day
Night
02:00
Morning
08:00
Afternoon
14:00
Evening
20:00
Sunday
6 Sep
Partly cloudy
33°C (91°F)
0 mm (0 in)
Partly cloudy
27°C (81°F)
0.4 mm (0.02 in)
Hourly ›
Monday
7 Sep
Mostly clear
25°C (77°F)
0 mm (0 in)
Rain showers
28°C (82°F)
2 mm (0.1 in)
Mostly sunny
32°C (90°F)
0.1 mm (0 in)
Clear skies
26°C (79°F)
0 mm (0 in)
Hourly ›
Tuesday
8 Sep
Clear skies
26°C (79°F)
0 mm (0 in)
Rain showers
28°C (82°F)
1.8 mm (0.1 in)
Heavy rain showers
31°C (88°F)
5.2 mm (0.2 in)
Mostly clear
25°C (77°F)
0 mm (0 in)
Hourly ›
Wednesday
9 Sep
Mostly clear
24°C (75°F)
0.1 mm (0 in)
Rain showers
28°C (82°F)
3.2 mm (0.1 in)
Rain showers
28°C (82°F)
3.8 mm (0.1 in)
Partly cloudy
25°C (77°F)
0 mm (0 in)
Hourly ›
Thursday
10 Sep
Partly cloudy
25°C (77°F)
0 mm (0 in)
Heavy rain showers
28°C (82°F)
6.4 mm (0.3 in)
Rain
27°C (81°F)
1 mm (0.04 in)
Cloudy
25°C (77°F)
0 mm (0 in)
Hourly ›
Friday
11 Sep
Rain
25°C (77°F)
1.1 mm (0.04 in)
Rain
27°C (81°F)
1.4 mm (0.1 in)
Rain
30°C (86°F)
1.3 mm (0.1 in)
Cloudy
25°C (77°F)
0 mm (0 in)
Hourly ›
Saturday
12 Sep
Mostly clear
26°C (79°F)
0 mm (0 in)
Rain showers
27°C (81°F)
3 mm (0.1 in)
Rain showers
29°C (84°F)
1.1 mm (0.04 in)
Partly cloudy
25°C (77°F)
0 mm (0 in)
Hourly ›
Sunday
13 Sep
Partly cloudy
25°C (77°F)
0.1 mm (0 in)
Rain showers
27°C (81°F)
4.6 mm (0.2 in)
Rain showers
31°C (88°F)
1.2 mm (0.05 in)
Mostly clear
26°C (79°F)
0 mm (0 in)
Hourly ›
Monday
14 Sep
Cloudy
25°C (77°F)
0 mm (0 in)
Rain
28°C (82°F)
3.3 mm (0.1 in)
Cloudy
29°C (84°F)
0.2 mm (0.01 in)
Mostly clear
26°C (79°F)
0 mm (0 in)
Hourly ›
Tuesday
15 Sep
Partly cloudy
25°C (77°F)
0.2 mm (0.01 in)
Rain showers
27°C (81°F)
1.1 mm (0.04 in)
Rain showers
32°C (90°F)
1 mm (0.04 in)
Hourly ›
Data from MET Norway · Updated every three hours.

What's the weather in San Juan this week?

Today's weather - Sunday 6 Sep

For the rest of Sunday the predicted weather in San Juan is partly cloudy with some rain. The temperature will be around 33°C (91°F).

Tomorrow's weather - Monday 7 Sep

Tomorrow's weather in San Juan will be mostly sunny with some rain during the morning. High temperatures will reach a very warm 32°C (90°F), with lows dropping to around 25°C (77°F).

10-Day Weather Forecast

In the coming 10 days, the weather in San Juan will start at 33°C (91°F) on Sunday, then cooling down. Daytime highs during this period will average around 30°C (86°F), with nighttime lows around 25°C (77°F). These values are typical for September. Precipitation levels will be typical for the season, featuring some rainy days. Precipitation is likely on approximately 7 days (Mon, Tue, Wed, Thu, Fri, Sat, Sun).

Weather Forecast FAQ for San Juan

When will be the warmest day next week?

The warmest day is expected to be Sunday with a high of 33°C (91°F).

When will be the coldest day?

The coldest day is forecasted for Wednesday with a low of 24°C (75°F).

Will it rain next week in San Juan?

Yes, rain is expected on 7 days , specifically on Mon, Tue, Wed, Thu, Fri, Sat, Sun.

How much rainfall is expected next week?

A total of 38 mm (1.5 in) of rain is forecasted for the 10-day period.

What will be the temperature range next week?

Temperatures will range from 24°C (75°F) to 33°C (91°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.