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San Juan weather
Current conditions and a 14-day forecast for San Juan, United States. Looking for typical seasonal weather instead? See the historical climate averages.
Now
33°C
Overcast · feels 34°C
Humidity
49%
relative humidity
Wind
19 km/h
10m wind speed
Chance of rain
3%
today
Next 24 hours in San Juan
| Time | Conditions | Temp | Rain chance |
|---|---|---|---|
| 12pm | Overcast | 32°C | 2% |
| 1pm | Overcast | 34°C | 1% |
| 2pm | Partly cloudy | 36°C | 1% |
| 3pm | Overcast | 37°C | 1% |
| 4pm | Overcast | 36°C | 2% |
| 5pm | Overcast | 36°C | 2% |
| 6pm | Overcast | 35°C | 1% |
| 7pm | Overcast | 33°C | 2% |
| 8pm | Overcast | 32°C | 2% |
| 9pm | Overcast | 31°C | 1% |
| 10pm | Overcast | 29°C | 1% |
| 11pm | Overcast | 29°C | 1% |
| 12am | Overcast | 28°C | 1% |
| 1am | Overcast | 28°C | 1% |
| 2am | Overcast | 28°C | 1% |
| 3am | Overcast | 28°C | 0% |
| 4am | Overcast | 28°C | 5% |
| 5am | Overcast | 28°C | 1% |
| 6am | Overcast | 27°C | 0% |
| 7am | Overcast | 26°C | 1% |
| 8am | Overcast | 27°C | 2% |
| 9am | Overcast | 28°C | 0% |
| 10am | Overcast | 30°C | 2% |
| 11am | Overcast | 31°C | 1% |
14-day forecast for San Juan
| Day | Conditions | High / Low | Rain chance |
|---|---|---|---|
| Today | Overcast | 37° / 28° | 3% |
| Thu, Jul 16 | Overcast | 36° / 26° | 6% |
| Fri, Jul 17 | Overcast | 37° / 26° | 1% |
| Sat, Jul 18 | Overcast | 35° / 26° | 0% |
| Sun, Jul 19 | Overcast | 37° / 25° | 0% |
| Mon, Jul 20 | Mainly clear | 38° / 26° | 1% |
| Tue, Jul 21 | Overcast | 39° / 25° | 1% |
| Wed, Jul 22 | Overcast | 39° / 25° | 1% |
| Thu, Jul 23 | Partly cloudy | 40° / 23° | 1% |
| Fri, Jul 24 | Mainly clear | 40° / 23° | 1% |
| Sat, Jul 25 | Partly cloudy | 40° / 24° | 2% |
| Sun, Jul 26 | Overcast | 39° / 24° | 3% |
| Mon, Jul 27 | Partly cloudy | 39° / 25° | 3% |
| Tue, Jul 28 | Overcast | 39° / 26° | 0% |
Want more sun and moon detail for San Juan? Use the sun calculator or moon calculator and search for San Juan. For a live look at any other city, try the interactive weather tool.
Frequently asked questions
What's the weather like in San Juan today?
Current conditions and today's forecast for San Juan, United States are shown above, refreshed regularly through the day.
How accurate is a 14-day forecast?
A forecast is most reliable for the next 3-5 days. Beyond that, temperature and precipitation chances further out are a general trend rather than an exact prediction.
What is San Juan's weather usually like?
For long-term averages — typical monthly temperatures and rainfall based on years of historical data — see San Juan's climate page rather than this live forecast.