San Juan 30-day weather forecast

Beyond about 10 days any forecast drifts towards the usual weather for the time of year, so read the outlook as what is typical for the date, not as a prediction for that day.

San Juan day-by-day calendar

  • Days 1–16: daily forecast model
  • Days 17–30: outlook (30-day statistical model), with the usual high / low for the date
San Juan day-by-day calendar
MonTueWedThuFriSatSun
6Forecast
Drizzle
29°
/ 20°
Rain 96%
7Forecast
Light showers
29°
/ 20°
Rain 88%
8Forecast
Thunderstorms
30°
/ 20°
Rain 94%
9Forecast
Thunderstorms
29°
/ 21°
Rain 100%
10Forecast
Thunderstorms
29°
/ 21°
Rain 98%
11Forecast
Light drizzle
30°
/ 21°
Rain 53%
12Forecast
Mostly sunny
30°
/ 21°
Rain 37%
13Forecast
Thunderstorms
30°
/ 21°
Rain 47%
14Forecast
Light drizzle
29°
/ 21°
Rain 59%
15Forecast
Light drizzle
31°
/ 21°
Rain 66%
16Forecast
Sunny
30°
/ 23°
Rain 67%
17Forecast
Fog
30°
/ 21°
Rain 61%
18Forecast
Fog
31°
/ 20°
Rain 67%
19Forecast
Fog
31°
/ 21°
Rain 75%
20Forecast
Fog
31°
/ 19°
—
21Forecast
Drizzle
28°
/ 19°
Rain 1.3 mm
22Outlook
Light rain
27°
/ 21°
Rain 3.6 mm
23Outlook
Light rain
26°
/ 21°
Rain 9.7 mm
24Outlook
Light rain
27°
/ 21°
Rain 5.4 mm
25Outlook
Light rain
26°
/ 21°
Rain 3.2 mm
26Outlook
Light rain
27°
/ 20°
Rain 0.2 mm
27Outlook
Light rain
25°
/ 20°
Rain 3.6 mm
28Outlook
Light rain
23°
/ 20°
Rain 4.3 mm
29Outlook
Light rain
26°
/ 20°
Rain 4.2 mm
30Outlook
Light rain
25°
/ 20°
Rain 9.4 mm
1 DecOutlook
Light rain
25°
/ 20°
Rain 4.5 mm
2Outlook
Light rain
25°
/ 20°
Rain 1.5 mm
3Outlook
Light rain
26°
/ 20°
Rain 1.1 mm
4Outlook
Light rain
26°
/ 21°
Rain 4.8 mm
5Outlook
Light rain
25°
/ 21°
Rain 3.1 mm

San Juan 30-day forecast: your questions

What is the weather for the next 30 days in San Juan?

The 30-day view for San Juan starts with 15 days of forecast: highs from 19°C up to 31°C on Wednesday, and rain likely on 13 of them (38.2 mm in all). Day by day: San Juan 10-day forecast.