10-Day Weather Forecast for San Juan

Six-hourly outlook through Tuesday 28 July. Updated every three hours via MET Norway.

Day
Night
03:00
Morning
09:00
Afternoon
15:00
Evening
21:00
Saturday
18 Jul
Cloudy
10°C (50°F)
0 mm (0 in)
Hourly ›
Sunday
19 Jul
Cloudy
8°C (46°F)
0.3 mm (0.01 in)
Light rain
7°C (45°F)
0.6 mm (0.02 in)
Heavy rain
13°C (55°F)
5.1 mm (0.2 in)
Rain
9°C (48°F)
4.5 mm (0.2 in)
Hourly ›
Monday
20 Jul
Fog
8°C (46°F)
0.1 mm (0 in)
Partly cloudy
6°C (43°F)
0 mm (0 in)
Partly cloudy
13°C (55°F)
0 mm (0 in)
Partly cloudy
9°C (48°F)
0 mm (0 in)
Hourly ›
Tuesday
21 Jul
Cloudy
6°C (43°F)
0 mm (0 in)
Light rain
7°C (45°F)
0.8 mm (0.03 in)
Light rain
9°C (48°F)
0.8 mm (0.03 in)
Cloudy
7°C (45°F)
0 mm (0 in)
Hourly ›
Wednesday
22 Jul
Partly cloudy
4°C (39°F)
0 mm (0 in)
Cloudy
3°C (37°F)
0 mm (0 in)
Mostly sunny
11°C (52°F)
0 mm (0 in)
Mostly clear
7°C (45°F)
0 mm (0 in)
Hourly ›
Thursday
23 Jul
Mostly clear
3°C (37°F)
0 mm (0 in)
Cloudy
2°C (36°F)
0 mm (0 in)
Partly cloudy
12°C (54°F)
0 mm (0 in)
Partly cloudy
7°C (45°F)
0 mm (0 in)
Hourly ›
Friday
24 Jul
Partly cloudy
4°C (39°F)
0 mm (0 in)
Cloudy
3°C (37°F)
0 mm (0 in)
Mostly sunny
14°C (57°F)
0 mm (0 in)
Partly cloudy
9°C (48°F)
0 mm (0 in)
Hourly ›
Saturday
25 Jul
Cloudy
6°C (43°F)
0 mm (0 in)
Cloudy
6°C (43°F)
0 mm (0 in)
Mostly sunny
15°C (59°F)
0 mm (0 in)
Partly cloudy
10°C (50°F)
0 mm (0 in)
Hourly ›
Sunday
26 Jul
Cloudy
5°C (41°F)
0 mm (0 in)
Partly cloudy
6°C (43°F)
0 mm (0 in)
Partly cloudy
22°C (72°F)
0 mm (0 in)
Partly cloudy
17°C (63°F)
0 mm (0 in)
Hourly ›
Monday
27 Jul
Partly cloudy
13°C (55°F)
0 mm (0 in)
Partly cloudy
15°C (59°F)
0 mm (0 in)
Clear skies
25°C (77°F)
0 mm (0 in)
Hourly ›
Data from MET Norway · Updated every three hours.

What's the weather in San Juan this week?

Today's weather - Saturday 18 Jul

This evening, the weather in San Juan will be cloudy, with temperatures around 10°C (50°F), dropping to 8°C (46°F) overnight.

Tomorrow's weather - Sunday 19 Jul

On Sunday, San Juan will be heavy rain throughout the day. The maximum predicted temperature is a mild 13°C (55°F), while the minimum temperature is a cold 7°C (45°F).

10-Day Weather Forecast

During the next 10 days, temperatures will get warmer, maximum temperatures reach 15°C (59°F) on Saturday, with average highs of 12°C (54°F) and lows of 5°C (41°F). These values are much cooler than usual for July. The following 10 days will bring plenty of sunshine. Rainfall is expected to be much more than usual (compared to typical July conditions). The forecast shows mostly dry conditions. There will be rain on around 2 days (Sun, Tue). Wind conditions will be generally calm.

Weather Forecast FAQ for San Juan

When will be the warmest day next week?

The warmest day is expected to be Saturday with a high of 15°C (59°F).

When will be the coldest day?

The coldest day is forecasted for Thursday with a low of 2°C (36°F).

Will it rain next week in San Juan?

Yes, rain is expected on 2 days , specifically on Sun, Tue.

How much rainfall is expected next week?

A total of 12 mm (0.5 in) of rain is forecasted for the 10-day period.

What will be the temperature range next week?

Temperatures will range from 2°C (36°F) to 15°C (59°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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