Two-week planning outlook

14-Day Weather Forecast for San Juan, Puerto Rico

Daily high and low temperatures, rain chances, wind, UV index, weekend conditions, and planning guidance for the next two weeks.

Expect daytime highs between 84°F and 90°F during the next 14 days. Rain chances peak at 100% on Friday, Oct 23, while Wed, Oct 28 · Thu, Oct 29 currently look most favorable for outdoor plans.

Updated Oct 19, 11:37 AM -04:00

14 Days at a Glance

Complete two-week outlook

Warmest DaySun, Oct 25 · 90°FModerate Rain

Coolest NightWed, Oct 21 · 77°FBroken Clouds

Highest Rain ChanceFri, Oct 23 · 100%Moderate Rain

Strongest WindMon, Oct 19 · 12.4 mphNo gust data

Weekend OutlookRain possible · Moderate Rain90°F / 78°F

Total Precipitation3.20 inEstimated across 14 days

Extended local outlook

14-Day Forecast

Detailed 48-hour forecast

Monday, Oct 19 · 86°F / 77°F

Light Rain

Rain chance 60%, E 12.4 mph, humidity 67%.

Morning: 77°F
Afternoon: 86°F
Evening: 82°F
Overnight: 79°F
Humidity: 67%
Pressure: 29.91 inHg
Dew point: 74°F
UV index: 9.8 very high
Sunrise: 6:19 AM
Sunset: 5:59 PM

Temperature Trend

HighLow77°F – 90°F

10/1910/2010/2110/2210/2310/2410/2510/2610/2710/2810/2910/3010/3111/1

Rain Chances

60%10/19

53%10/20

44%10/21

97%10/22

100%10/23

77%10/24

86%10/25

54%10/26

41%10/27

4%10/28

24%10/29

73%10/30

91%10/31

94%11/1

UV Index

Daily peak

9.810/19

9.510/20

9.610/21

5.610/22

0.510/23

—10/24

—10/25

—10/26

—10/27

—10/28

—10/29

—10/30

—10/31

—11/1

Planning Ahead

Forecast-based guidance

Most Favorable Outdoor Days

Wed, Oct 28 · Thu, Oct 29

Lower rain chances and manageable winds

Rainy Days

Fri, Oct 23 · Thu, Oct 22 · Sun, Nov 1

Peak chance 100%

Warmest Days

Sun, Oct 25 · Wed, Oct 21 · Mon, Oct 26

Highs up to 90°F

Coolest Nights

Wed, Oct 21 · Sun, Nov 1 · Mon, Oct 19

Lows near 77°F

Windiest Day

Monday, Oct 19

12.4 mph · Gusts --

Weekend Weather

Two-week planning

This Weekend

Sat, Oct 2486°F / 78°FLight Rain · Rain 77%

Sun, Oct 2590°F / 78°FModerate Rain · Rain 86%

Next Weekend

Sat, Oct 3184°F / 78°FHeavy Intensity Rain · Rain 91%

Sun, Nov 184°F / 77°FHeavy Intensity Rain · Rain 94%

14-Day Weather Forecast for San Juan, Puerto Rico

Expect daytime highs between 84°F and 90°F during the next 14 days. Rain chances peak at 100% on Friday, Oct 23, while Wed, Oct 28 · Thu, Oct 29 currently look most favorable for outdoor plans.

Temperatures range from an overnight low near 77°F to a daytime high near 90°F. The strongest rain signal is 100% on Friday, Oct 23, with 3 notable wet days in the current outlook.

FAQ

14-day forecast questions for San Juan

What is the 14-day weather forecast for San Juan?

Expect daytime highs between 84°F and 90°F during the next 14 days. Rain chances peak at 100% on Friday, Oct 23, while Wed, Oct 28 · Thu, Oct 29 currently look most favorable for outdoor plans.

Will it rain in San Juan during the next two weeks?

The strongest rain signal is 100% on Friday, Oct 23, with 3 notable wet days in the current outlook.

What is the hottest day in San Juan during the next 14 days?

The warmest forecast day is Sunday, Oct 25, with a high near 90°F.

What is the coldest night in San Juan?

The lowest forecast temperature is 77°F on Wednesday, Oct 21.

What will the weather be this weekend in San Juan?

This Weekend currently ranges from 78°F to 90°F, with rain chances peaking at 86%.